W211 2003 - Audio stopped working
My audio (APS20 cassette) suddenly stopped working. The buttons around have no light anymore. Almost died. The only thing that the radio shows are a few dashes ("------") - check the image below. I'm almost sure that this happened after battery disconnect, but I'm not 100% sure. I've checked all of the fuses and they're fine. My CD changer door stopped opening as well.
We've connected the car to STAR and it shows these two fault codes:
D100 MOST master reports open ring
D137 communication on the most bus was intersected during diagnostics.
Are there any chances the problem to be in the APS (command)? If so, I'll buy a new one.
The promised image:
Please, it's a bit urgent, so any kind of help will be much appreciated.
Thank you.
Last edited by karo7ph; May 29, 2016 at 03:09 PM.



