Mercedes owners and mechanics looking to upgrade their diagnostic tools in 2025 have more options than ever. With new features emerging each year, selecting the right scanner can save you time, money, and hassle—whether you’re a seasoned DIYer or a busy professional. In this article, we’ve handpicked six of the best scanners on the market for Mercedes-Benz vehicles, highlighting key strengths and any limitations you should know. From budget-friendly models to premium professional systems, each scanner offers unique benefits to help you keep your Mercedes running at peak performance.
We have gathered some of the best scanners for you to consider when buying a professional diagnostic for your Mercedes-Benz.
- YOUCANIC Full System Scanner
The YOUCANIC Pro Diagnostic Scanner has its all-new 2025 version with advanced diagnostic capabilities, 40+ professional service functions, advanced data management, and excellent professional support. With over 3,693 videos and more in the making, YOUCANIC empowers DIYers and professional mechanics with free car videos and tutorials.
Pros:
- Complete system diagnostic coverage (all control modules)
- Full bi-directional control and component activation
- Compatible with all Mercedes models of 1996-2024
- Performs active tests on all Mercedes systems
- Reset/relearn functions for all modules
- No recurring subscription fees
- Lifetime free software updates
- Extensive video library and troubleshooting guides
- Simple plug-and-play interface
- Real-time data monitoring and graphing
- Supports coding and adaptation of modules
- Clear fault code descriptions with repair guidance
- 40+ maintenance and reset service functions.
- Coding and module configuration on UCAN-II-C model.
Cons:
- A one-time process first connection that takes a few minutes to initialize.
- No SCN online coding.
- LAUNCH X431 V+ Professional
The Launch X431 V+ is a professional-grade scanner with notable features. This full system diagnostic scanner offers 35+ service functions, ECU coding, bidirectional control, and compatibility with various X431 modules.
Pros:
- Full ECU coverage and bi-directional control
- OE-level diagnostic capabilities with coding and programming
- LAUNCH X431 V+ is equipped with a Lenovo tablet
- 12 in 1 live data graphing and recording
- 35+ Reset Functions
- Regular software updates with the latest Mercedes models
- Built-in repair guide and technical bulletin
Cons:
- A high price point of $1000.
- An annual subscription is required after 2 years of free software updates.
- X431 renewal card costs $345 and takes 1-2 days to update.
- Steep learning curve for its advanced features
- A 10.1-inch screen size that is bulky compared to other scanners.
- iCarsoft MB II
The iCarsoft MB II scanner diagnostic tool best fits Mercedes Benz, Sprinter, and Smart but supports other brand vehicles with OBD2 protocol after 1996 to perform OBD2 diagnostic functions. It has been added with more reset functions such as oil service reset, EPB, SAS, DPF, and ETCs.
Pros:
- Smart AutoVIN technology with automatic car identification and scanning
- Deep system coverage specialized for Mercedes vehicles
- Clear specific fault codes for Mercedes.
- Lifetime software free update.
- Reset service intervals and maintenance lights
- Intuitive interface for DIYers
- Affordable price point of $200
Cons:
- Limited bi-directional control capabilities
- No ECU coding or programming.
- Basic graphing capabilities.
- Software updates are inconsistent
- Autel MaxiSys MS906BT
The Autel MS906BT is the advanced version of the MS9606 and the newest addition to the MaxiSys product line of advanced wireless diagnostic devices.
Pros:
extensive system coverage beyond engine diagnostics
- Supports wireless Bluetooth connectivity and traditional USB connection.
- Advanced coding function
- Auto VIN Scan function
- Quality technical support
- 31+ service functions
Cons:
- Premium price at $1,000
- One-year free subscription only.
- Limited vehicle coverage if it has no software updates
- Some advanced features require additional modules
- MS906BT Software Update or Total Care Program (TCP) costs $495 per year
- Can be overwhelming for casual users.
- Supported language is English only.
- FOXWELL NT510 Elite
LAUNCHX-431 PRO Elite is an 8-inch smart car diagnostic device developed using the Android 10.0 system. It adopts a 2.0Ghz 4-core high-efficiency processor, 4GB RAM+64GB ROM, ample storage, and a high-endurance battery that runs faster, is more stable, and lasts longer.
Pros
- Excellent value for money at $150
- Mercedes-specific diagnostic protocols
- Free lifetime updates
- User-friendly interface
- Compact and portable size
Cons:
- Limited advanced coding features
- Basic graphing capabilities
- No bi-directional controls
- Slower processing speed
- THINKCAR Thinkdiag PRO
The THINKCAR PRO OBD2 Diagnostic Tool is a comprehensive automotive diagnostic that surpasses the capabilities of similar products like the GOLO PRODBSCAR5 and THINKDIAG GOLO Easydiag with its advanced D-Z software. Its user-friendly interface and extensive coverage make it ideal for various diagnostic tasks, including reading and clearing fault codes, live data monitoring, actuator testing, and more.
Pros:
- A phone/tablet-based diagnostics
- Great price range at $200
- Regular software updates
- Compact design, lightweight and easy to carry
- Good technical support
Cons:
- Requires stable internet connection
- Only 12-month free updates
- Some features locked behind subscriptions
- Phone/tablet dependency
- Limited advanced programming capabilities
Choosing the right diagnostic scanner is crucial for accurate repairs, preventive maintenance, and overall peace of mind. Each of these six tools offers something different—ranging from advanced coding capabilities to user-friendly interfaces—so you can pick the scanner that best suits your needs. However, the YOUCANIC Pro full system bi-directional scanner stands out as a top alternative to expensive, brand-specific tools like Mercedes Xentry Star. Its robust features include full system coverage, over 40 maintenance functions, lifetime free software updates, and top-notch customer support, all at a fair price with no recurring subscription fees. Whether you’re a professional technician or a dedicated DIYer, the YOUCANIC Pro can help you tackle diagnostics with confidence and keep your Mercedes in prime condition for years to come.