W204 Engine Control Unit Initial Start-Up via Autel MS908S Pro

How to use Autel MaxiSys MS908S Pro diagnostic scanner to perform engine control unit initial start-up for a Mercedes Benz C class W204? Read this post to know its procedure.

Connect Autel MaxiSys MS908S Pro to the OBD2 port of vehicle, go access to main menu:

Diagnostics >> VIN >> Auto detect >> Mercedes Benz (European) >> OK

OK >> Yes >> Programming >> Programming/Coding >> Motor Electronics

Control module initial start-up >> Initial start-up of already fitted control module >> Continue >> Continue >> Yes

Follow the prompts, turn off and turn on the ignition, then press “OK”.

Continue >> Continue

Turn off the ignition, press “OK”.

Turn on the ignition, press “OK”.

Press “Next”, completed!

Full video operation:


This is a quick demonstration of using Autel MS908S pro OBD2 scan tool to do engine control unit initial start-up on a Mercedes W204. More tutorials to be updated...