Not necessarily - it needs proper diagnosis. The amp contains the tuner too. But if anything stops the data flow between the COMAND and the amp (like some other optical component failing) you'll can get similar symptoms.
e220 coupe. now gone. clk 209 320 at the moment.back after BMW650 ,now CL500 216
Hi Richard thanks for replying, looks like I'll to find someone around Stockport who can have a look for me. I don't understand how it's gone wrong as I hardly ever us the car at the moment due to work commitments ,never mind .When I get it sorted I'll post what it was for others to look at.
Thanks.