Mercedes A class w176 2013 auxiliary battery malfunction replacement

Remember that anything you do to yourself or your vehicle is at your own risk, this video is just a guide and by watching and following the video you accept that it’s a risk you are willing to take, in any case best to take your car to a garage to get the job completed.
Mercedes a class b class auxiliary battery malfunction comes up on the main screen and most likely it will need the little battery inside the car to be replaced.
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