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 ...

Activating/deactivating ATTENTION ASSIST
This function is not available in HYBRID vehicles. Press the or button on the steering wheel to select the DriveAssist menu. Press the or button to select Attention Assist. Press . ...

Restoring the factory settings
Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...