How to Virgin Mercedes-Benz ECU TCU by Launch X431 PAD V with X-Prog3?


Launch X431 PAD V with X-PROG3 Key Programmer can renew Mercedes-Benz ME9.7, MED17.7. X, SIM271KE2.0, and SIM271DE2.0 engine computers on Bench successfully. The used Benz ECU can be reused after resetting. The BOSCH engine control module can also be adapted to the vehicle, both new and used.

The steps for ECU/TCU are the same. After clearing the ECU or TCU, the used control module can be installed on other cars. Then go on to perform programming, coding, and personalize.
Launch X431 PAD VII with X-Prog3 also can perform the same function as X431 PAD V diagnostic scanner.

For example:
Mercedes Benz ECU ME9.7, TCU 722.9



Operation guide:
Enter the Mercedes Benz diagnostic software (V49.65 or above)
Select [Anti-theft function]


Check the wiring diagram and follow it to connect X431 PAD V, X431 X-Prog3 and Smart C Connector




Select [ECU Erasing]


For ECU, select Engine control unit
For TCU, select Transmission control unit (TCU)


Select [Wiring diagram]


Here we can see the Mercedes-Benz ECU type support list
Select ME9.7


Check the corresponding wiring diagram to connect X431 X-Prog3 key programmer and Benz ECU properly


Then select [Completely Erase module]


Confirm the Mercedes- Benz vehicle info. The current values of personalized and activated are Yes.


Confirm to back up module data
Input the file name to back up
The module data is backed up successful


Confirm to erase module
After erasing, the values of Personalized and Activated have been changed to No.


Tech support:
Email: sales@launchx431.fr
WhatsApp: +86 18750906257
www.launchx431.fr