Question about Car Audio & Video
Do you see the volume change when you try and change it? It sounds like it could be an issue with the fiber optics that mercedes uses. A fairly common problem. Here is an example and a way to trouble shoot. As if one component is not working properly or disconnected that will cause this.
If you still have questions or need further assistance please let me know.
Posted on Jul 20, 2009
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Posted on Jan 02, 2017
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