My 2008 S550 command center went out
#27
What's the command resetting before it when bad? Could be problem with components in the main board are just need programming.
#28
screen blank, rear head rest and screen
#29
one could simply check knogistiger thread at the top of the forum - and read multiple major bugs in the early 221 comand software releases - until confident the aged hardware is in functioning condition AND you have the 2008 update 95% of cars never had - little point wonder why things are strange