See also:

The mbrace system
The mbrace system provides different services, e.g.: automatic and manual emergency call Roadside Assistance call MB Info call To adjust the volume during an mbrace call, proceed as follows ...

Switching the screen on/off (Rear Seat Entertainment System only)
If the SmartKey is in the ignition lock in position 0 or 1 or if the SmartKey is not in the ignition lock, the rear screens will switch off after 30 minutes. Before the screens switch off, the ...

Windows fogged up on the outside
Switch on the windshield wipers. Press the button repeatedly until the or symbol appears in the display. You should only select this setting until the windshield is clear again. ...