See also:

Cleaning the steering wheel and gear or selector lever
  Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...

Switching to audio CD, audio DVD or MP3 mode
Insert a CD/DVD. The Rear Seat Entertainment System loads the inserted disc. Select Disc in the menu using the buttons on the remote control and press the button to confirm. The corresp ...

Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated. Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the battery ...