M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Ml280 2007 rear fuse box cabling and scanner error codes

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Old Jan 21, 2024 | 11:36 PM
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ml280 2007 w163
Ml280 2007 rear fuse box cabling and scanner error codes

Hi all, I have a problem with my car. Initially it had issues with break lights (left was always on) this discharged the battery so I took it to an electrician who I think made it worst by adding a relay from a line going into the rear fuse box which I don’t know now where it was supposed to go so I can revert this. Then he said the problema was due to a bad SAM which I cleaned and after the light and discharge battery problem went away but now I bought a BlueDriver scanner and I’m getting a lot of error codes I’m trying to clean along with that relay he added so I’m attaching the pictures hoping you can tell the pin where it should go to start from there and the scanner codes just in case of any other advice

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