CD changers, command units, voice control units, PSE units, and Tele Aid units are prone to failure, especially in early models.
Car Problem Reports
Mercedes-Benz S500 CD Changers and Command/Voice Control/PSE/Tele Aid Units May Fail
Mercedes-Benz S500 Problem
Average Mileage: 105,714 mi (84,000 mi - 136,000 mi)
Visitor, 2001 Mercedes-Benz S500, 93,000 mi
Command screen has vertical line running through display
CD changer shows empty magazine message.
Visitor, 2004 Mercedes-Benz S500, 108,000 mi
Bought the car a year ago used and the CD changer won't eject and the console won't acknowledge the changer exists. No voice control anywhere to speak of.
The Command Console just stopped working, won't turn on. Taking to the shop today. What should I expect? Bought it two days ago.
Visitor, 2003 Mercedes-Benz S500, 134,000 mi
no sound from command center and doesnt recognize cd changer