2012 E250 CDI Estate Avant Garde W212 – Audio 20 Stereo volume stopped working!

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TheClackster

New Member
Joined
Jan 30, 2021
Messages
5
Location
London
Car
2012 Mercedes E250 CDI Estate Avantgarde. 2.2 diesel
Audio 20 Stereo with Sat Nav
Turned the stereo on one day and there was no volume and you cannot change the radio channel with the dial. I have reset the stereo and it still doesn't work. I have even connected my phone to test the audio and this does not work either.
There is a fuse board located in the boot of the car on the right hand side. The fuses listed in the booklet provided for Sound System are numbers 67,69 and 84 for the Radio System . These are missing! Under the bonnet fuse 26 is present. This powers the header unit and is ok. The only explanation for the other missing fuses in the rear of the car must be because different models have different levels of equipment. Not sure if this is an easy problem to diagnose, but my gut is telling me that it's an amp issue. Not sure if this stereo has built in amp or a separate unit.

Any help or advice to fix this would be appreciated. Thanks20210130_150334.jpg
 

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