How to Retrofit Mercedes W204 Rear Lights by MB Star DAS

Here is a little tutorial on Mercedes Scan Tool W204 rear lights retrofit by using MB Star diagnosis DAS software with SD Connect C4 multiplexer.

Disclaimer: This is for W204 chassis only. You are at your risk.

Start DAS Developer and do the usual “quick test”

(all our DAS comes with developer mode)
Open op the REAR SAM module:

Go to Development data

Select control unit adaptions

Go to the Control unit adaptions (Variant Coding)

Go to the Parameter Lichtfunction:
6-5

Change the coding according to the below screenshots:


Save the config

Select yes:

Now shut down MB Star DAS from CnAutotool,  shut down the car and lock it, now start the car again and everything should be working correctly.

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