GLC audio system failure

I understand you are experiencing issues with your Mercedes GLC's audio system. I had a comparable problem with a BMW 3 Series a few years ago. The symptoms you describe, including the error code and lack of audio output, do point towards a potential head unit failure. Has there been any recent work done on the vehicle, or any unusual electrical events?

Thanks for the reply. No recent work done, and no unusual electrical events that I'm aware of. Everything was working fine one day, and then the next time I started the car, complete silence. When you say 'head unit failure,' are you referring to the main display screen itself? Or is there another component I should be looking at?

Yes, the 'head unit' refers to the main display screen, which integrates the radio, navigation, and other audio functions. Given the sudden onset and the error code, it is likely an internal component failure within the head unit itself. If a diagnostic confirms this and the repair cost is as quoted, replacement by a certified workshop is advisable.

Okay, that confirms my suspicions. I appreciate you clarifying what the head unit is. I will take it to the shop and have them replace the display. Thanks for your help!