Owning a Mercedes-Benz, Sprinter, or Smart car means you value precision engineering. To maintain that standard, you need a diagnostic tool that speaks the vehicle's language. iCarsoft has been a trusted name for Mercedes owners with the MB V3.0, but the newly released iCarsoft MB V4.0 brings significant upgrades to the table.
"Is the V4.0 just a touchscreen version of the V3.0, or is it a complete overhaul?"
This guide compares the proven iCarsoft MB V3.0 against the powerful new MB V4.0 to help you decide which tool is right for your C-Class, E-Class, Sprinter Van, or Smart Fortwo.

Quick Specs: The Hardware Leap
The difference isn't just cosmetic. The V4.0 moves from a traditional embedded system to a powerful Android platform, offering faster processing and "smart" features.
| Feature | iCarsoft MB V3.0 | iCarsoft MB V4.0 (New) |
|---|---|---|
| Operating System | Embedded System | Android (Quad Core 1.3GHz) |
| Display | 4.0″ LCD (Physical Buttons) | 5.0″ HD Touchscreen |
| Updates | Requires PC & USB | Built-in Wi-Fi (No PC Needed) |
| Brand Coverage | Mercedes / Sprinter / Smart | MB + 2 Free Downloadable Makes |
| Power | OBD Port Only | 5000mAh Battery + OBD |
Why Upgrade to MB V4.0?
1. Android Speed & Touchscreen
Navigating through the complex ECU menus of a Mercedes-Benz can be tedious with arrow keys. The MB V4.0 features a 5-inch capacitive touchscreen powered by a Quad-Core processor. This makes selecting "Control Units" or entering VIN numbers as fast and intuitive as using your smartphone.
2. Wi-Fi Updates (Mac User Friendly)
The MB V3.0 requires a Windows PC to install update software. The MB V4.0 has built-in Wi-Fi. You can update the diagnostic software directly on the tool while sitting in your car. This is a huge relief for Mac users or those who don't want to deal with driver installations.
3. Multi-Brand Support ("Mall" Function)
Most Mercedes owners have other cars in the family. The MB V4.0 comes pre-loaded with software for Mercedes-Benz, Sprinter, Smart, and Maybach. However, the new "Mall" feature allows you to download software for 2 additional car brands for free (e.g., BMW, Ford, or Toyota). It transforms from a single-brand tool into a multi-brand scanner for your garage.
4. Advanced Functions for EQ & Diesel Models
The MB V4.0 goes deep into vehicle-specific systems:
- Sprinter / Diesel Support: Includes critical functions like NOx Sensor Reset, AdBlue/SCR Reset, and DPF Regeneration.
- EV / Hybrid Support: Features High Voltage Battery monitoring for EQ series and Hybrid models.
- Adaptations: Supports teach-in processes for Drive Authorization Systems, Camshaft positions, and Intake Valves.
5. Off-Car Data Analysis
With its 5000mAh internal battery, the MB V4.0 stays on even when unplugged from the car. This allows you to record live data during a test drive, then bring the device inside to review the logs comfortably, without needing to sit in the vehicle.
⚠️ Important Note on Compatibility
Mercedes-Benz vehicles are complex, and available functions vary significantly by Chassis (e.g., W204 vs W205) and Year. Not every function is supported on every model.
To ensure the tool meets your specific needs, please verify before you buy. Contact us with:
- Your vehicle's VIN (Vehicle Identification Number).
- The specific function you need (e.g., "AirMatic Suspension Calibration" or "AdBlue Reset").
We will check our technical database to confirm support for your car.
Final Verdict: Which One is For You?
🛠️ Choose MB V3.0 If:
- You only service Mercedes/Sprinter vehicles.
- You prefer physical buttons for gloved use.
- You want a rugged, cost-effective tool.
🚀 Choose MB V4.0 If:
- You want the speed of an Android Touchscreen.
- You need Wi-Fi updates (Mac Friendly).
- You own other cars (2 Free Brands included).
- You own a Hybrid/EV Mercedes (High Voltage Battery support).