See also:

Telephone keypad
1 Telephone keypad 2 Folding cover ...

Cleaning the headliner and carpets
  Headliner: use a soft brush or a cleaning agent recommended and approved by Mercedes-Benz to remove heavy soiling.   Carpets: use the carpet and textile cleaning agents recommended ...

Activating AUX mode
AUX drive Select AUX in the menu using the buttons on the remote control and press the button to confirm. The AUX menu appears. Select Source from the AUX menu and press the button to ...