See also:

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. - Check the battery in ...

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 ...

Hiding a service message
– Press the or button on the steering wheel. ...