Go to Car Questions
Command prompts that command will turn off in 3 minutes if engine is not turned on while driving . then the command shits down every 30 mins
MercedesMedic 8 months 1 week ago
It is a communication issue with the head unit. It also could a defective fuse for the head unit or the audio gateway. Check those first. Maybe even replace those fuses, becuase if they have a crack on the internal wire you are not going to see it.