Mercedes-Benz vehicles demand more from a diagnostic scanner than most. The brand’s proprietary module architecture, model-specific service procedures, and increasing use of DoIP Ethernet communication on post-2018 models create compatibility gaps that generic OBD2 tools handle poorly. A scanner that reads ABS codes on a Honda may return empty results on a Mercedes W213. Getting accurate coverage requires tools built with Mercedes-specific protocol support, not just generic OBD2.
About the author: Hello! I’m Kamil SiegieÅ„, founder of OBD2 Scout. My diagnostic experience started with an engine rebuild on a 2014 Skoda Superb 1.8 TSI, where tuning from 160 to 222 hp required mastering live data and ECU behavior that basic code readers cannot handle. I am a former BMW and MINI employee and regularly use diagnostic scanners on my own Audi A4 2.0 TFSI.
Affiliate Disclosure: OBD2 Scout is a proud participant in the Amazon Services LLC Associates Program.
I evaluated 8 OBD2 scanners specifically for Mercedes-Benz diagnostics, covering make-specific tools, professional-grade universal scanners with strong MB coverage, and budget options for owners who need service reset access without spending hundreds of dollars. The goal was to find which tools genuinely cover the modules and procedures that matter on a Mercedes and which ones fall short of what the marketing suggests.
Two things to understand before buying. First, no consumer OBD2 tool can perform SCN coding (Software Calibration Number) on Mercedes components. SCN coding after replacing modules like the ECU, transmission controller, or airbag module requires Mercedes XENTRY/DAS. Consumer tools handle diagnostics and service resets, not that level of programming. Second, Mercedes vehicles from roughly 2018 onward increasingly use DoIP (Diagnostics over Internet Protocol) for certain module communication. Scanners without DoIP support may have limited access to those modules on newer vehicles.
My Recommended Top 3 Best-Buys
1. iCarsoft MB II Pro
[Best Overall]
- ✓ Mercedes-specific full-system diagnostics
- ✓ Bidirectional tests and service resets for MB
- ✓ Covers Mercedes-Benz, Sprinter, and Smart
500+ Verified Reviews
2. Foxwell NT726
[Best Bidirectional]
- ✓ Bidirectional active tests on Mercedes systems
- ✓ 28 service reset functions
- ✓ Full-system coverage including ECU data
2,400+ Verified Reviews
3. OBDMATE OM807
[Best Budget]
- ✓ Mercedes-specific full-system diagnostics under $80
- ✓ Service reset functions for common MB procedures
- ✓ Designed specifically for Mercedes-Benz models
5,200+ Verified Reviews
8 Best OBD2 Scanners for Mercedes-Benz in 2026
1. iCarsoft MB II Pro: Best Overall OBD2 Scanner for Mercedes-Benz
- Mercedes-Benz, Sprinter, and Smart full-system diagnostics from one dedicated tool
- Bidirectional active tests and service resets for Mercedes-specific procedures
- No subscription, standalone handheld with built-in screen
Overview
The iCarsoft MB II Pro is built specifically for Mercedes-Benz, Sprinter, and Smart diagnostics. The iCarsoft brand has produced dedicated Mercedes tools for years, and the MB II Pro is the current flagship, adding bidirectional test capability to the full-system coverage of earlier models. It reads and clears codes across all major Mercedes modules, runs active component tests on supported vehicles, and handles the service reset procedures that Mercedes owners need most frequently. The handheld design with a built-in screen means no phone dependency. For a Mercedes owner who wants a purpose-built tool without the cost of a professional scanner, this is the clearest option in the consumer market.
Diagnostic Features and Capabilities
Full-system code reading and clearing across engine, transmission, ABS, SRS, ESP, body, and chassis modules on supported Mercedes vehicles. Bidirectional active tests allow component-level testing on supported systems. Service functions cover oil reset, EPB retraction, SAS calibration, BMS reset, DPF regeneration, throttle adaptation, TPMS relearn, and ABS bleeding on compatible vehicles. Live data with graphing and freeze frame are included. AutoVIN reads the vehicle identification number automatically for faster setup on Mercedes platforms.
Vehicle Compatibility
Mercedes-Benz, Sprinter, and Smart vehicles, covering major model lines from C-Class and E-Class to GLE, GLC, AMG variants, and Sprinter commercial vehicles. Coverage depth varies by model year. The iCarsoft compatibility list on their website is the definitive reference for a specific vehicle.
Specifications
| Specification | Details |
|---|---|
| Connection | OBD2 cable (wired) |
| Supported Systems | Engine, Transmission, ABS, SRS, ESP, Body, Chassis (Mercedes-specific) |
| OBD2 Functions | Read/clear codes, freeze frame, live data with graphing, I/M readiness |
| Bidirectional Control | Yes (vehicle-dependent) |
| Service Functions | Oil reset, EPB, SAS, BMS, DPF, Throttle, TPMS, ABS bleed (vehicle-dependent) |
| Vehicle Compatibility | Mercedes-Benz, Sprinter, Smart |
| Display | Built-in color screen, standalone handheld |
| Updates | Free lifetime updates |
| Subscription | None |
What’s Included
iCarsoft MB II Pro scanner, OBD2 cable, USB update cable, carrying case.
Pros and Cons
| Pros | Cons |
|---|---|
| Purpose-built for Mercedes-Benz with deep MB protocol support | Limited to Mercedes/Sprinter/Smart; not a multi-make scanner |
| Bidirectional active tests on supported systems | |
| Service resets for the procedures MB owners need most | |
| Standalone handheld, no phone required | |
| Free lifetime updates | |
| No subscription after purchase | |
| AutoVIN for fast vehicle ID on MB platforms | |
| Covers Sprinter and Smart in addition to passenger cars |
My Final Verdict
The iCarsoft MB II Pro is the right tool for most Mercedes owners. It covers the full system depth Mercedes diagnostics require, handles the service procedures that come up routinely on these vehicles, and does not require a subscription or a phone app to operate. The trade-off is that it works only on Mercedes, Sprinter, and Smart. If you own multiple makes and want one scanner for all of them, the Foxwell NT726 or Autel MX900 are more flexible. But as a dedicated Mercedes tool, nothing in this list is more purpose-matched.
2. Foxwell NT726: Best Bidirectional OBD2 Scanner for Mercedes
- Bidirectional active tests across Mercedes systems including ABS pump, cooling fan, and injectors
- 28 service reset functions covering all major Mercedes service procedures
- Full-system coverage across 100+ vehicle brands, not limited to Mercedes
Overview
The Foxwell NT726 is the most capable bidirectional scanner in this list for active component testing on Mercedes vehicles. Where the iCarsoft MB II Pro is purpose-built for Mercedes but with limited cross-make use, the NT726 delivers strong bidirectional and service reset capability across more than 100 vehicle brands, making it the better choice for households with multiple makes. On Mercedes specifically, the bidirectional test coverage includes components across ABS, body, and powertrain systems on supported models, and the 28 service reset functions cover the full range of procedures Mercedes technicians perform. The price reflects the capability: the NT726 is the most expensive consumer scanner in this list.
Diagnostic Features and Capabilities
Full-system code reading and clearing across all major modules. Bidirectional active tests available on supported vehicles for components including ABS pump motors, cooling fans, throttle actuators, fuel injectors, and other systems depending on the vehicle. Service resets include oil, EPB, SAS, BMS, DPF, throttle adaptation, TPMS, ABS bleed, brake pad reset, injector coding, transmission adaptation, and additional procedures on supported vehicles. Live data with graphing and freeze frame are included. AutoVIN is supported.
Vehicle Compatibility
100 or more vehicle brands, 1996 and newer OBD2-compliant vehicles. Mercedes-Benz coverage includes passenger cars and Sprinter. Bidirectional test and service function availability is model and year dependent.
Specifications
| Specification | Details |
|---|---|
| Connection | OBD2 cable (wired) |
| Supported Systems | Full-system on 100+ brands including Mercedes-Benz |
| OBD2 Functions | Read/clear codes, freeze frame, live data with graphing, I/M readiness |
| Bidirectional Control | Yes (vehicle-dependent) |
| Service Functions | 28 functions (vehicle-dependent) |
| Vehicle Compatibility | 100+ brands, 1996+ OBD2 |
| Display | Built-in color screen, standalone handheld |
| Updates | Free |
| Subscription | None |
What’s Included
Foxwell NT726 scanner, OBD2 cable, USB update cable, carrying case.
Pros and Cons
| Pros | Cons |
|---|---|
| Strongest bidirectional test coverage in this list | Highest price in this list |
| 28 service reset functions covering all major MB procedures | |
| Multi-make coverage across 100+ brands | |
| Full-system diagnostics on Mercedes and other makes | |
| No subscription | |
| Standalone handheld with built-in screen |
My Final Verdict
The Foxwell NT726 is the right scanner for a Mercedes owner who also works on other makes and wants one tool with genuine bidirectional capability across all of them. At $299, it costs more than the iCarsoft MB II Pro, but it delivers broader coverage and stronger active test depth. For a Mercedes-only household, the iCarsoft is the more focused and cost-effective choice. For a multi-make garage or a home mechanic who needs a complete tool, the NT726 justifies the price.
3. OBDMATE OM807: Best Budget OBD2 Scanner for Mercedes-Benz
- Mercedes-Benz specific full-system diagnostics under $80
- Service reset functions for common MB maintenance procedures
- Standalone handheld, no phone or subscription required
Overview
The OBDMATE OM807 is the entry-level Mercedes-specific scanner in this list. It reads and clears codes across all major Mercedes modules, covers the service resets most MB owners encounter, and costs under $80. That is the clearest case for it. The trade-off compared to the iCarsoft MB II Pro is the absence of bidirectional active tests. The OM807 is a read-and-reset tool, not a component testing tool. For a Mercedes owner who mainly needs to diagnose warning lights and reset service indicators after maintenance, the OM807 handles that job without the cost of a more capable scanner.
Diagnostic Features and Capabilities
Full-system code reading and clearing across engine, ABS, SRS, transmission, and body modules on supported Mercedes vehicles. Service resets include oil life reset, EPB retraction, SAS calibration, and TPMS procedures on compatible vehicles. Live data and freeze frame are included. No bidirectional active tests. Coverage is Mercedes-Benz specific and not applicable to other makes.
Vehicle Compatibility
Mercedes-Benz vehicles. Coverage by model and year is specified on the OBDMATE product page. The tool is not a multi-make scanner.
Specifications
| Specification | Details |
|---|---|
| Connection | OBD2 cable (wired) |
| Supported Systems | Engine, ABS, SRS, Transmission, Body (Mercedes-specific) |
| OBD2 Functions | Read/clear codes, freeze frame, live data, I/M readiness |
| Bidirectional Control | No |
| Service Functions | Oil reset, EPB, SAS, TPMS (vehicle-dependent) |
| Vehicle Compatibility | Mercedes-Benz |
| Display | Built-in screen, standalone handheld |
| Updates | Free |
| Subscription | None |
What’s Included
OBDMATE OM807 scanner, OBD2 cable, USB update cable.
Pros and Cons
| Pros | Cons |
|---|---|
| Lowest price in this list for a Mercedes-specific full-system scanner | No bidirectional active tests |
| Mercedes-specific module coverage beyond generic OBD2 | Mercedes-only; no multi-make use |
| Service resets for common MB maintenance procedures | |
| Standalone handheld, no phone required | |
| No subscription |
My Final Verdict
The OBDMATE OM807 is the right choice for a Mercedes owner who needs reliable full-system diagnostics and service resets at the lowest price and does not need bidirectional component testing. If active tests matter, the iCarsoft MB II Pro is worth the additional cost. But for the common use case of reading warning lights and resetting the oil service indicator on a Mercedes, the OM807 delivers that without unnecessary expense.
4. Autel MaxiCheck MX900: Best Universal Scanner for Mercedes with TPMS
- Full-system bidirectional diagnostics across 200+ brands including Mercedes-Benz
- Integrated TPMS relearn and sensor programming for Mercedes TPMS procedures
- 28+ service reset functions and CAN-FD protocol support
Overview
The Autel MX900 is the most fully-featured universal scanner in this list when evaluated for Mercedes-Benz use. It covers more than 200 vehicle brands with full-system bidirectional diagnostics, includes 28 or more service reset functions, supports CAN-FD protocol for newer vehicles, and adds integrated TPMS sensor programming and relearn capability. That last feature separates it from every other scanner in this list. Mercedes vehicles use proprietary TPMS sensors, and the TPMS relearn procedure after a wheel change or sensor replacement often requires a special tool. The MX900 handles that natively without a separate TPMS tool. For a Mercedes owner who also manages tire changes and wants one tool to cover diagnostics and TPMS in one unit, the MX900 is the most complete option here.
Diagnostic Features and Capabilities
Full-system bidirectional diagnostics across 200 or more brands. Active component tests on supported Mercedes systems. Service resets covering oil, EPB, SAS, BMS, DPF, throttle, TPMS, ABS bleed, brake pad reset, transmission adaptation, and additional procedures. Integrated TPMS relearn for all major sensor protocols and TPMS sensor programming for blank sensors. CAN-FD protocol support for newer vehicle communication requirements. Live data with graphing and freeze frame included.
Vehicle Compatibility
200 or more vehicle brands, 1996 and newer OBD2-compliant vehicles. Mercedes-Benz including AMG variants and Sprinter. Bidirectional test and service function availability is model and year dependent.
Specifications
| Specification | Details |
|---|---|
| Connection | OBD2 cable (wired) + TPMS antenna |
| Supported Systems | Full-system on 200+ brands; TPMS integrated |
| OBD2 Functions | Read/clear codes, freeze frame, live data with graphing, I/M readiness |
| Bidirectional Control | Yes (vehicle-dependent) |
| Service Functions | 28+ functions including TPMS relearn and sensor programming |
| Vehicle Compatibility | 200+ brands, 1996+ OBD2 |
| Display | Built-in color touchscreen, standalone handheld |
| Updates | 1 year free, then annual subscription |
| Subscription | Required after year one for continued updates |
What’s Included
Autel MX900 scanner, OBD2 cable, TPMS antenna, USB cable, carrying case.
Pros and Cons
| Pros | Cons |
|---|---|
| Only scanner in this list with integrated TPMS sensor programming | Annual update subscription required after year one |
| Full-system bidirectional across 200+ brands | More capability than needed for Mercedes-only diagnostics |
| 28+ service reset functions | |
| CAN-FD protocol support for newer vehicles | |
| Handles Mercedes TPMS relearn natively | |
| Strong Autel update and support history |
My Final Verdict
The MX900 makes the most sense for a Mercedes owner who frequently deals with tire changes, wheel swaps, or TPMS sensor replacements and wants to handle diagnostics and TPMS procedures without two separate tools. The integrated TPMS capability is the differentiator. For pure diagnostic use without TPMS needs, the iCarsoft MB II Pro or Foxwell NT726 deliver comparable Mercedes coverage at a clearer price-to-capability ratio. Factor in the update subscription when calculating total cost.
5. Launch Creader Elite V3.0: Best Mercedes OBD2 Scanner with Lifetime Updates
- Free lifetime software updates, no annual subscription
- Full-system bidirectional diagnostics including Mercedes-Benz
- 28 service reset functions and AutoVIN
Overview
The Launch Creader Elite V3.0 distinguishes itself from most scanners in this price range with lifetime software updates included at no additional cost. Most scanners at this price include one year of updates and then charge annually or stop updating entirely. Launch’s commitment to lifetime updates means the scanner stays current with new vehicle models and software improvements without recurring fees. On Mercedes-Benz specifically, it provides full-system bidirectional diagnostics and 28 service reset functions covering the complete range of MB maintenance procedures. For a Mercedes owner who plans to keep the scanner for several years and wants coverage to remain current without subscription management, the V3.0 is a strong long-term value.
Diagnostic Features and Capabilities
Full-system code reading and clearing across engine, ABS, SRS, transmission, body, and chassis modules on supported vehicles including Mercedes-Benz. Bidirectional active tests on supported systems. Service resets: oil, EPB, SAS, BMS, DPF, throttle adaptation, TPMS, ABS bleed, brake pad reset, transmission adaptation, and others depending on vehicle. Live data with graphing and freeze frame. AutoVIN for quick vehicle identification.
Vehicle Compatibility
Broad multi-make coverage including Mercedes-Benz. Coverage depth by model and year is specified in the Launch compatibility documentation.
Specifications
| Specification | Details |
|---|---|
| Connection | OBD2 cable (wired) |
| Supported Systems | Full-system on supported vehicles including Mercedes-Benz |
| OBD2 Functions | Read/clear codes, freeze frame, live data with graphing, I/M readiness |
| Bidirectional Control | Yes (vehicle-dependent) |
| Service Functions | 28 functions (vehicle-dependent) |
| Vehicle Compatibility | Multi-make, 1996+ OBD2 |
| Display | Built-in color screen, standalone handheld |
| Updates | Free lifetime updates |
| Subscription | None |
What’s Included
Launch Creader Elite V3.0 scanner, OBD2 cable, USB cable, carrying case.
Pros and Cons
| Pros | Cons |
|---|---|
| Free lifetime updates, no annual subscription | Multi-make scanner; not as Mercedes-focused as the iCarsoft MB II Pro |
| Full-system bidirectional diagnostics including Mercedes-Benz | |
| 28 service reset functions | |
| Strong long-term value proposition | |
| AutoVIN for fast vehicle setup | |
| Multi-make coverage for households with different brands |
My Final Verdict
The Launch Creader Elite V3.0 is the best long-term value in this list for a Mercedes owner who wants to avoid subscription management and keep a scanner current for several years. The lifetime update commitment is rare in this price range and meaningful over a three-to-five year ownership period. For Mercedes-specific depth and dedicated MB features, the iCarsoft MB II Pro is more purpose-built. For long-term multi-make use without recurring fees, the V3.0 is the financially sound choice.
6. TOPDON ArtiDiag600 Pro: Best Mid-Range OBD2 Scanner for Mercedes
- Full-system diagnostics and 6 service resets covering core Mercedes procedures
- Bidirectional active tests on supported Mercedes systems
- Mid-range price with no subscription
Overview
The TOPDON ArtiDiag600 Pro sits in the middle of this list by price and capability. It provides full-system diagnostics, bidirectional active tests on supported vehicles, and six service reset functions without a subscription. For a Mercedes owner who wants more than the OM807’s read-and-reset capability but does not need the full depth of the Foxwell NT726 or Autel MX900, the ArtiDiag600 Pro covers the middle ground. The service function count is lower than the more expensive tools in this list, but the six functions included cover oil reset, EPB, SAS, BMS, throttle adaptation, and TPMS, which are the most commonly needed procedures on Mercedes vehicles.
Diagnostic Features and Capabilities
Full-system code reading and clearing across engine, ABS, SRS, transmission, and body modules on supported vehicles including Mercedes-Benz. Bidirectional active tests on supported systems. Service resets: oil reset, EPB, SAS, BMS, throttle adaptation, TPMS (vehicle-dependent). Live data with graphing and freeze frame included. AutoVIN support.
Vehicle Compatibility
Multi-make coverage including Mercedes-Benz. Coverage depth by model and year is specified in TOPDON documentation.
Specifications
| Specification | Details |
|---|---|
| Connection | OBD2 cable (wired) |
| Supported Systems | Full-system on supported vehicles including Mercedes-Benz |
| OBD2 Functions | Read/clear codes, freeze frame, live data with graphing, I/M readiness |
| Bidirectional Control | Yes (vehicle-dependent) |
| Service Functions | 6 functions: oil, EPB, SAS, BMS, throttle, TPMS (vehicle-dependent) |
| Vehicle Compatibility | Multi-make, 1996+ OBD2 |
| Display | Built-in color screen, standalone handheld |
| Updates | Free |
| Subscription | None |
What’s Included
TOPDON ArtiDiag600 Pro scanner, OBD2 cable, USB cable.
Pros and Cons
| Pros | Cons |
|---|---|
| Bidirectional tests at a mid-range price with no subscription | Fewer service reset functions than the Foxwell NT726 or Autel MX900 |
| Six service resets covering the most common Mercedes procedures | |
| Full-system diagnostics on Mercedes and other makes | |
| No recurring fees after purchase | |
| Standalone handheld with color screen |
My Final Verdict
The ArtiDiag600 Pro is a solid mid-range choice for a Mercedes owner who wants bidirectional capability without paying the premium of the Foxwell NT726 and does not need more than six service resets. For the core diagnostic and active test workflow on a Mercedes, it covers the necessary ground. If the full 28-function service reset suite matters, the Launch Creader Elite V3.0 or Foxwell NT726 are the better investments.
7. Innova 5610: Best Trusted Brand Mercedes OBD2 Scanner
- Full-system bidirectional diagnostics from an established diagnostic brand
- Battery and charging system test integrated alongside OBD2 functions
- 20+ service reset functions with no subscription
Overview
Innova has been making OBD2 diagnostic tools for consumer markets longer than most brands in this list. The 5610 is their current flagship handheld scanner, offering full-system bidirectional diagnostics, 20 or more service reset functions, and an integrated battery and charging system test. The battery test is a practical addition for Mercedes owners because the complex electrical architecture on newer MB vehicles places high demands on the 12V system, and a failing battery often triggers multiple unrelated fault codes. Having one tool that diagnoses both fault codes and battery health reduces diagnostic guesswork on electrically complex vehicles. Innova’s RepairSolutions2 database provides repair and TSB information alongside the diagnostic results.
Diagnostic Features and Capabilities
Full-system code reading and clearing across engine, ABS, SRS, transmission, and body modules on supported vehicles including Mercedes-Benz. Bidirectional active tests on supported systems. Service resets covering oil, EPB, SAS, BMS, DPF, throttle, TPMS, and additional procedures on compatible vehicles. Integrated battery and charging system test. Live data with graphing and freeze frame. RepairSolutions2 database access for TSB information and repair guidance.
Vehicle Compatibility
Multi-make coverage including Mercedes-Benz, 1996 and newer OBD2-compliant vehicles. Coverage depth by model and year is specified in Innova documentation.
Specifications
| Specification | Details |
|---|---|
| Connection | OBD2 cable (wired) |
| Supported Systems | Full-system on supported vehicles including Mercedes-Benz |
| OBD2 Functions | Read/clear codes, freeze frame, live data with graphing, I/M readiness |
| Bidirectional Control | Yes (vehicle-dependent) |
| Service Functions | 20+ functions; battery test included |
| Vehicle Compatibility | Multi-make, 1996+ OBD2 |
| Display | Built-in color screen, standalone handheld |
| Updates | Free |
| Subscription | None |
What’s Included
Innova 5610 scanner, OBD2 cable, USB cable.
Pros and Cons
| Pros | Cons |
|---|---|
| Integrated battery and charging system test alongside full-system OBD2 | RepairSolutions2 database is US-focused and less applicable to European MB models |
| Established brand with long diagnostic tool track record | |
| Full-system bidirectional diagnostics including Mercedes-Benz | |
| 20+ service reset functions with no subscription | |
| TSB and repair data via RepairSolutions2 |
My Final Verdict
The Innova 5610 makes the most sense for a Mercedes owner who values the combination of fault code diagnostics and battery health monitoring in one tool, backed by an established brand with a long support history. The RepairSolutions2 database is more useful for domestic vehicles than for European Mercedes variants, but the diagnostic and battery test functions are equally applicable to all supported vehicles. For pure Mercedes diagnostic depth, the iCarsoft MB II Pro is the more focused choice. For a general-purpose bidirectional scanner with battery test capability and no subscription, the 5610 is a dependable pick.
8. Launch CRP919E: Best OBD2 Scanner for DoIP Mercedes-Benz
- DoIP (Diagnostics over Internet Protocol) support for 2018 and newer Mercedes models
- Full-system bidirectional diagnostics with 28 service reset functions
- Android-based tablet scanner with Wi-Fi updates and large color display
Overview
The Launch CRP919E is the only scanner in this list with DoIP support, and that distinction matters specifically for newer Mercedes-Benz vehicles. Mercedes began implementing DoIP (Diagnostics over Internet Protocol) communication for certain modules on vehicles from roughly 2018 onward. On affected vehicles, a scanner without DoIP access cannot communicate with those modules at all, even if it works perfectly on older Mercedes platforms. The CRP919E also delivers full-system bidirectional diagnostics, 28 service reset functions, and an Android-based operating system with a large color display. At the top of this list by price, it is overkill for older Mercedes models. For owners of 2018 and newer vehicles who have encountered module access gaps with other scanners, it is the tool that resolves those gaps.
Diagnostic Features and Capabilities
Full-system bidirectional diagnostics across multiple vehicle brands including Mercedes-Benz. DoIP protocol support for newer Mercedes module communication. Active component tests on supported systems. Service resets: oil, EPB, SAS, BMS, DPF, throttle, TPMS, ABS bleed, brake pad reset, injector coding, transmission adaptation, and additional procedures. Live data with graphing, freeze frame, AutoVIN. Android-based OS with Wi-Fi update capability.
Vehicle Compatibility
Multi-make coverage including Mercedes-Benz. DoIP coverage applies to Mercedes vehicles using that communication standard, primarily 2018 and newer models. Coverage specifics are in Launch’s compatibility documentation.
Specifications
| Specification | Details |
|---|---|
| Connection | OBD2 cable (wired); DoIP over Ethernet adapter |
| Supported Systems | Full-system on supported vehicles; DoIP modules on newer Mercedes |
| OBD2 Functions | Read/clear codes, freeze frame, live data with graphing, I/M readiness |
| Bidirectional Control | Yes (vehicle-dependent) |
| Service Functions | 28 functions (vehicle-dependent) |
| Vehicle Compatibility | Multi-make, 1996+ OBD2; DoIP for newer Mercedes |
| Display | Android tablet with color touchscreen |
| Updates | Wi-Fi updates; update terms per Launch policy |
| Subscription | Per Launch’s update policy |
What’s Included
Launch CRP919E tablet, OBD2 cable, DoIP adapter, USB cable, carrying case.
Pros and Cons
| Pros | Cons |
|---|---|
| Only scanner in this list with DoIP support for newer Mercedes | Highest price in this list |
| Full-system bidirectional diagnostics | Unnecessary for pre-2018 Mercedes where DoIP is not used |
| 28 service reset functions | |
| Android-based tablet with Wi-Fi updates | |
| Large color touchscreen for better data visualization |
My Final Verdict
The Launch CRP919E is the right tool for the specific situation where a 2018 or newer Mercedes-Benz is involved and module access gaps on other scanners are the reason for buying. If your Mercedes is a pre-2018 model, every other scanner in this list handles the diagnostic workflow at a lower price. For newer Mercedes owners who have run into missing module access with standard OBD2 tools, the CRP919E resolves that problem with DoIP support.
Comparison Table: All 8 OBD2 Scanners for Mercedes-Benz
| Scanner | Award | MB-Specific | Bidirectional | Service Resets | DoIP | Subscription |
|---|---|---|---|---|---|---|
| iCarsoft MB II Pro | Best Overall | Yes | Yes | 8+ (vehicle-dep.) | No | None |
| Foxwell NT726 | Best Bidirectional | No (multi-make) | Yes | 28 (vehicle-dep.) | No | None |
| OBDMATE OM807 | Best Budget | Yes | No | 4+ (vehicle-dep.) | No | None |
| Autel MaxiCheck MX900 | Best with TPMS | No (multi-make) | Yes | 28+ incl. TPMS | No | After yr 1 |
| Launch Creader Elite V3.0 | Best Lifetime Updates | No (multi-make) | Yes | 28 (vehicle-dep.) | No | None (lifetime) |
| TOPDON ArtiDiag600 Pro | Best Mid-Range | No (multi-make) | Yes | 6 (vehicle-dep.) | No | None |
| Innova 5610 | Best Trusted Brand | No (multi-make) | Yes | 20+ incl. battery | No | None |
| Launch CRP919E | Best for DoIP Mercedes | No (multi-make) | Yes | 28 (vehicle-dep.) | Yes | Per Launch policy |
Buyer’s Guide: How to Choose an OBD2 Scanner for Mercedes-Benz
Mercedes-Specific Tools vs. Universal Scanners: Which Is Right?
The iCarsoft MB II Pro and OBDMATE OM807 are purpose-built for Mercedes-Benz. They are programmed with Mercedes-specific protocols and service procedures and typically access MB-specific parameters and adaptations that generic tools miss. The trade-off is exclusivity: they work on Mercedes, Sprinter, and Smart, and nothing else. Universal scanners like the Foxwell NT726, Autel MX900, Launch tools, and Innova 5610 cover Mercedes as part of a broad vehicle database and are the better choice for a household with multiple makes or for someone who will eventually change vehicles. If you own one Mercedes and plan to keep it, the dedicated tools provide depth and simplicity. If you own other makes alongside a Mercedes, a high-quality universal scanner delivers broader value. If BMW is also in your garage, my guide to the best OBD2 scanners for BMW covers the equivalent depth of specialist and universal options for that make.
What DoIP Means for Mercedes Diagnostics
Mercedes-Benz started introducing DoIP (Diagnostics over Internet Protocol) communication on certain modules in vehicles from roughly 2018 onward. DoIP uses Ethernet as the physical communication layer instead of the traditional CAN bus. A scanner without DoIP support physically cannot communicate with those modules because it speaks a different electrical protocol. The impact varies by vehicle: some 2018 and newer Mercedes models have DoIP on only a few modules, while others are more extensively DoIP-based. If your scanner consistently returns empty results or communication errors on a post-2018 Mercedes while the OBD2 port connects fine, DoIP coverage is likely the gap. The Launch CRP919E is the only scanner in this list with confirmed DoIP support. For pre-2018 Mercedes, DoIP is not a factor and standard CAN-based scanners work correctly. My guide to the best bidirectional OBD2 scanners covers the DoIP-capable tools that go beyond fault code reading on both modern Mercedes and other European platforms.
Service Resets: Which Mercedes Procedures You Will Actually Need
Mercedes uses a Flexible Service System (FSS) that tracks oil life and maintenance intervals independently of fixed mileage intervals. Resetting the oil service indicator after an oil change requires a scanner with an oil reset function on Mercedes; the procedure cannot be completed through the instrument cluster menu on most models. Beyond oil reset, the service procedures Mercedes owners most commonly need are EPB (electric parking brake retraction for rear brake pad replacement), SAS (steering angle sensor reset after wheel alignment), BMS (battery management system reset after battery replacement), and TPMS relearn after wheel or sensor changes. Every scanner in this list except the OBDMATE OM807 at its lower function count covers at least these core five procedures. The Foxwell NT726, Autel MX900, and Launch tools extend the list to 28 or more functions, covering less common procedures like DPF regeneration, injector coding, and transmission adaptation.
SCN Coding: What No Consumer Scanner Can Do on Mercedes
SCN coding (Software Calibration Number) is the Mercedes procedure for configuring replacement modules to match the vehicle. When an ECU, transmission controller, instrument cluster, steering column module, or airbag module is replaced on a Mercedes, the new component must be SCN-coded to the specific vehicle before it will function correctly. SCN coding is exclusively handled by the Mercedes XENTRY/DAS dealer system and requires a live connection to Mercedes servers to generate the calibration. No consumer OBD2 scanner performs SCN coding. Every scanner in this list reads and clears codes, performs service resets, and runs active tests on existing components. None of them replace dealer-level programming capability for new module installation. For shops that need the closest available alternative to dealer-level Mercedes diagnostics, my guide to the best professional OBD2 scanners covers the tools that approach XENTRY depth without the dealer cost.
Mercedes AMG, Sprinter, and Maybach: Coverage Differences
AMG-specific modules and parameters are covered by the dedicated Mercedes tools (iCarsoft MB II Pro, OBDMATE OM807) and by universal scanners with strong European coverage. Standard AMG performance data and fault codes are accessible on any scanner that covers the base Mercedes platform. Sprinter coverage is explicitly listed for the iCarsoft MB II Pro and should be confirmed on the product page for universal scanners before purchase. Maybach is a sub-brand of Mercedes and shares the same diagnostic architecture as the equivalent Mercedes platform; standard Mercedes scanner coverage applies. EQS and EQC (Mercedes electric vehicles) use the same OBD2 port but have EV-specific modules. Confirm your specific electric Mercedes model is listed in the scanner’s compatibility documentation before buying. For a look at multi-system ABS and SRS diagnostic coverage across all makes including Mercedes, my guide to the best OBD2 scanners for ABS and SRS covers the tools that go beyond engine codes on safety-critical modules.
For drivers who only need engine code reading on a Mercedes without the full system coverage, my roundup of top budget OBD2 scanners covers the entry-level options that still handle generic OBD2 diagnostics reliably.
Common Mercedes OBD2 Scanner Buying Mistakes
Using a generic code reader that cannot access Mercedes-specific modules. A basic $30 OBD2 reader accesses only the engine OBD2 system. Mercedes warning lights for ABS, airbag, ESP, and suspension come from modules that standard OBD2 cannot reach. A generic reader will return no codes while the warning light is on. All scanners in this list access those modules on supported Mercedes vehicles.
Assuming any scanner handles DoIP on newer Mercedes. Most scanners sold in the consumer market communicate via standard CAN protocol. On 2018 and newer Mercedes models with DoIP modules, a standard scanner will fail to communicate with those specific modules. Confirming DoIP support before buying for a post-2018 Mercedes prevents this outcome.
Expecting a consumer scanner to perform SCN coding. No consumer OBD2 tool can SCN-code a replacement module on a Mercedes. Buyers who purchase a scanner expecting to program a replacement ECU or airbag module will be disappointed. SCN coding requires the Mercedes dealer system. Consumer scanners handle diagnostics and service resets, not new module programming.
Not resetting the oil service indicator after an oil change. Mercedes FSS (Flexible Service System) does not automatically reset after an oil change. The oil service light will stay on until a scanner performs the oil reset procedure. This is one of the most common reasons Mercedes owners buy a diagnostic tool and one of the most straightforward procedures any scanner in this list handles.
Buying the cheapest scanner expecting Mercedes depth. Generic OBD2 scanners under $50 that are not designed for European vehicles often miss Mercedes-specific parameters and return incomplete system coverage. The tools in this list start at under $80 for a Mercedes-specific option. Below that price, coverage gaps on a Mercedes are common.
My Final Recommendations
For most Mercedes owners who want a dedicated tool with bidirectional tests, service resets, and no subscription, the iCarsoft MB II Pro is the right choice. It is built specifically for Mercedes-Benz, covers the service procedures MB owners encounter most, and does not require a phone app or a recurring fee.
For owners of multiple vehicle makes who want one bidirectional scanner that covers all of them including Mercedes, the Foxwell NT726 provides the strongest multi-make active test capability at $299.
For Mercedes owners whose primary needs are oil service reset and basic fault code access at the lowest reasonable cost, the OBDMATE OM807 handles that use case specifically for Mercedes at under $80.
For Mercedes owners who manage their own tire changes and need TPMS relearn alongside full diagnostic capability, the Autel MaxiCheck MX900 is the only tool in this list that combines both without a separate TPMS tool.
For owners of 2018 and newer Mercedes models who have encountered module access gaps with other scanners, the Launch CRP919E with DoIP support resolves those gaps specifically for newer MB vehicles.
FAQs
What is the best OBD2 scanner for Mercedes-Benz?
The iCarsoft MB II Pro is the best overall OBD2 scanner for Mercedes-Benz for most owners. It is designed specifically for MB, provides full-system bidirectional diagnostics, handles the service resets Mercedes owners need most, and does not require a subscription. For owners of multiple makes who want one universal scanner, the Foxwell NT726 is the best bidirectional option with strong Mercedes coverage. For budget-focused MB owners who mainly need oil resets and fault code access, the OBDMATE OM807 is the most cost-effective Mercedes-specific tool.
Do standard OBD2 scanners work on Mercedes-Benz?
Standard OBD2 scanners read engine and emissions codes on all 1996 and newer OBD2-compliant vehicles including Mercedes. However, Mercedes warning lights for ABS, airbag, ESP, suspension, and other systems require manufacturer-specific access beyond standard OBD2. A generic scanner will not read those codes. All scanners in this list go beyond generic OBD2 and access Mercedes-specific modules. Additionally, Mercedes vehicles from roughly 2018 onward may use DoIP on certain modules, which standard scanners cannot access.
Can an OBD2 scanner reset the Mercedes service light?
Yes, any scanner in this list with an oil reset function can reset the Mercedes Flexible Service System (FSS) oil service indicator. This is the most common service procedure Mercedes owners perform with an OBD2 tool. The OM807, iCarsoft MB II Pro, and all universal scanners in this list include oil reset for compatible Mercedes vehicles. After an oil change, the scanner connects to the OBD2 port and runs the oil reset procedure to clear the service due indicator.
What is DoIP and do I need it for my Mercedes?
DoIP (Diagnostics over Internet Protocol) is a communication standard that uses Ethernet instead of the CAN bus for certain diagnostic module communication. Mercedes began implementing DoIP on specific modules in vehicles from roughly 2018 onward. If you drive a pre-2018 Mercedes, DoIP is not a factor and any scanner in this list covers your vehicle correctly. If you drive a 2018 or newer Mercedes and have experienced module communication errors with another scanner, DoIP support may be the missing capability. The Launch CRP919E is the only scanner in this list with DoIP support.
Can I do SCN coding on my Mercedes with an OBD2 scanner?
No. SCN coding (Software Calibration Number) is required after replacing certain Mercedes modules and can only be performed with the Mercedes XENTRY/DAS dealer system over a live connection to Mercedes servers. No consumer OBD2 scanner, including any in this list, can perform SCN coding. Consumer scanners read and clear fault codes, perform service resets, and run active tests on existing components. Module programming after replacement requires dealer equipment.
Which OBD2 scanners work on Mercedes Sprinter?
The iCarsoft MB II Pro explicitly covers the Mercedes Sprinter alongside passenger Mercedes-Benz models. Universal scanners with strong European coverage including the Foxwell NT726, Autel MX900, Launch Creader Elite V3.0, and Launch CRP919E also cover Sprinter, though coverage should be confirmed for the specific Sprinter generation (W906, W907) on the manufacturer’s compatibility page before buying.
How do I reset the oil service indicator on my Mercedes?
Connect the OBD2 scanner to the OBD2 port (typically under the dashboard on the driver’s side). Turn the ignition to the “on” position without starting the engine. Navigate to the Service Reset or Oil Reset function in the scanner menu. Select the Mercedes-Benz vehicle and complete the oil reset procedure following the on-screen prompts. The procedure typically takes under two minutes. The specific steps vary slightly between scanner models and between Mercedes vehicle generations. Confirm the oil reset function covers your specific Mercedes model year before purchase.