iCarsoft MB V4.0 Diagnostic Tool for Mercedes-Benz

Description

iCarsoft MB V4.0 – Advanced Mercedes-Benz Diagnostic Tool

The iCarsoft MB V4.0 is an advanced Mercedes-Benz diagnostic scanner for Mercedes-Benz, Sprinter, Smart and Maybach vehicles. It combines full-system diagnostics, full bidirectional active tests, 41 service and maintenance functions, CAN-FD support and lifetime free Wi-Fi updates in a modern 5-inch Android touchscreen device.

Compared with earlier MB-series scanners, the V4.0 introduces a larger touchscreen, Android operating system, wireless updates and the ability to download two additional vehicle make groups free of charge.

• Full-system diagnostics for Mercedes-Benz, Sprinter, Smart and Maybach
• Full bidirectional active tests on supported control modules
• 41 service and maintenance functions
• CAN-FD support for newer Mercedes platforms
• 5-inch Android touchscreen
• AutoVIN vehicle identification
• Two additional vehicle make groups included
• Lifetime free Wi-Fi software updates
• No annual diagnostic software subscription

Who Is the iCarsoft MB V4.0 For?

The MB V4.0 is designed for Mercedes-Benz owners, enthusiasts and independent workshops that need more than basic fault-code reading.

It is a strong choice if you want to diagnose faults across multiple Mercedes control systems, perform maintenance procedures, run active component tests and use advanced Mercedes-specific diagnostic functions without moving to a subscription-based workshop platform.

Full-System Mercedes-Benz Diagnostics

Unlike a basic Mercedes OBD2 scanner that mainly communicates with the engine control unit, the iCarsoft MB V4.0 can access numerous control modules throughout supported vehicles.

Depending on the vehicle, diagnostic access can include:

• Engine
• Automatic transmission
• ABS
• Airbag / SRS
• Electronic parking brake
• Steering systems
• Body control modules
• Climate control
• Instrument cluster
• Battery management
• Lighting systems
• Comfort and convenience electronics
• Other manufacturer-specific control modules

Functions include reading and clearing diagnostic trouble codes, viewing live data, system scanning, AutoVIN vehicle identification and access to manufacturer-specific diagnostic information.

Full Bidirectional Control and Active Tests

The MB V4.0 supports full bidirectional diagnostics, allowing the scanner to send commands directly to supported vehicle control modules. This makes it possible to test components during troubleshooting instead of relying only on fault codes and live data.

Depending on the vehicle and control module, active tests can include components such as:

• ABS pump motor
• Window regulators
• Fuel pump
• Wiper and washer motors
• EGR valve
• Fuel injectors
• Cooling fans
• Transmission solenoids
• Door locks
• Mirrors
• Other supported actuators

The manufacturer lists more than 22 active-test categories, although exact availability depends on the vehicle, model year and installed control modules.

41 Service and Maintenance Functions

The iCarsoft MB V4.0 includes 41 service and maintenance functions for supported vehicles, combining common maintenance procedures with more advanced repair and calibration functions.

These include 9 commonly used maintenance functions plus 32 higher-level functions. Availability depends on the exact vehicle and control unit.

Common Service Functions

• Oil / service reset
• Electronic parking brake / brake pad service
• Electronic throttle control
• Steering angle sensor calibration
• DPF regeneration
• Injector coding
• ABS bleeding
• Battery management reset
• TPMS-related functions

Advanced Diagnostic and Teach-In Functions

Depending on the vehicle, the MB V4.0 can also support advanced Mercedes-specific procedures such as:

• Intake valve calibration
• Upstream oxygen sensor calibration
• NOx storage catalyst replacement adaptation
• SCR upstream NOx sensor learned value reset
• Drive authorization system teach-in
• Camshaft position teach-in
• SCR downstream NOx sensor replacement teach-in
• Calibration value reset
• Pedal angle sensor teach-in
• Intake port shutoff teach-in
• Wheel electronics ID programming

Advanced functions vary significantly by vehicle, model year and control unit. Compatibility should always be confirmed when a specific procedure is required.

MB V3.0 vs MB V4.0

The MB V4.0 is the successor to the MB V3.0. Both offer full-system diagnostics and bidirectional active tests, but the V4.0 introduces major hardware, usability and coverage improvements.

For users comparing the two versions, the biggest V4.0 improvements are the 5-inch touchscreen, Android platform, Wi-Fi updating, expanded service functions and two additional vehicle make groups.

Mercedes-Benz, Sprinter, Smart and Maybach Coverage

The MB V4.0 comes pre-installed with dedicated diagnostic software for:

• Mercedes-Benz
• Sprinter
• Smart
• Maybach

The manufacturer states compatibility from approximately 1996 to 2025, depending on model, system and diagnostic connector. Specific diagnostic functions always vary by vehicle.

Two Additional Vehicle Make Groups Included

In addition to the pre-installed Mercedes group, the MB V4.0 allows you to download two additional supported vehicle make groups free of charge.

This gives the device a total of three vehicle groups without additional diagnostic software subscription fees.

Available groups include BMW, Chrysler, Fiat, Ford, Honda, Hyundai/Kia, Jaguar/Land Rover, Mazda, Mitsubishi, Nissan, Opel/Vauxhall, Porsche, PSA, Renault/Dacia, Subaru, Suzuki, Toyota/Lexus, Volvo, VAG and others supported by iCarsoft.

CAN-FD Support

The iCarsoft MB V4.0 supports the newer CAN-FD communication protocol used on newer Mercedes-Benz, Smart and Sprinter platforms.

It also supports a wide range of traditional automotive communication protocols for older vehicles.

AutoVIN Vehicle Identification

The AutoVIN function can automatically identify supported vehicles through the diagnostic connection, reducing the need to manually enter vehicle information and helping speed up the diagnostic process.

Lifetime Free Wi-Fi Updates

Software updates for the MB V4.0 are included for the lifetime of the device. Updates are downloaded directly through Wi-Fi, so the scanner does not normally need to be connected to a computer for updating.

There are no annual diagnostic software subscription fees.

5-Inch Android Touchscreen

The MB V4.0 uses a modern Android-based interface with a 5-inch capacitive touchscreen.

• Android operating system
• 5-inch capacitive LCD touchscreen
• 854 × 480 resolution
• Quad-core 1.3 GHz processor
• 32 GB internal storage
• 5000 mAh rechargeable battery
• Approximately 6 hours continuous operating time
• 2.4 GHz Wi-Fi
• USB 2.0
• USB Type-C charging

Diagnostic History and Reports

The MB V4.0 stores diagnostic history so previously tested vehicles and scan results can be accessed again later. Reports can also be saved and shared, while diagnostic data can be printed using a compatible Windows computer connected through USB.

Standard OBD2 / EOBD Functions

In addition to Mercedes-specific diagnostics, the MB V4.0 supports all 10 standard OBD2 test modes on compatible OBDII, EOBD, JOBD, KOBD, CAN and CAN-FD vehicles.

• Read fault codes
• Clear fault codes
• I/M readiness
• Live data
• Freeze-frame data
• Vehicle information
• Oxygen sensor monitoring
• On-board monitoring
• EVAP system testing
• Pending fault codes

Supported Languages

The MB V4.0 supports 15 interface languages: English, German, French, Dutch, Spanish, Czech, Swedish, Russian, Hungarian, Norwegian, Portuguese, Italian, Polish, Danish and Finnish.

Technical Specifications

• Operating system: Android
• Display: 5-inch capacitive touchscreen
• Resolution: 854 × 480
• Processor: Quad Core 1.3 GHz
• Storage: 32 GB
• Battery: 5000 mAh
• Operating time: Approx. 6 hours
• Connectivity: OBDII, USB 2.0 and 2.4 GHz Wi-Fi
• Charging: USB Type-C, 5 V / 2 A
• Vehicle operating voltage: 9–18 V
• Dimensions: 200 × 116 × 30.2 mm
• Weight: Approx. 380 g
• CAN-FD: Supported
• Software updates: Lifetime free Wi-Fi updates

Older Mercedes-Benz and Sprinter Models

Standard 16-pin OBD2 connectivity is included for modern Mercedes-Benz, Sprinter, Smart and Maybach vehicles.

Some older Mercedes-Benz vehicles require a separate 38-pin adapter. The manufacturer specifically lists examples such as C-Class W202, E-Class W210, S-Class W140, CLK W208, SLK R170 and SL R129 models depending on production year.

Early Sprinter T1N and selected early NCV3 vans from approximately 1995–2006 may require a separate 14-pin Sprinter adapter.

Both adapters are sold separately.

Mercedes-Benz Compatibility

Diagnostic coverage, active tests, service functions and advanced procedures depend on the exact vehicle model, production year, engine, control unit and vehicle configuration.

If you require a specific advanced function, compatibility should be confirmed before purchase.

Why Choose the iCarsoft MB V4.0?

• Mercedes-Benz, Sprinter, Smart and Maybach specialist diagnostics
• Full-system fault diagnostics
• Full bidirectional active tests
• 41 service and maintenance functions
• Advanced Mercedes-specific teach-in and adaptation functions
• CAN-FD support
• Two additional vehicle make groups included
• Modern Android touchscreen interface
• Lifetime free Wi-Fi updates
• No annual diagnostic software subscription