See also:

Problems with the SmartKey
Problem Possible causes/consequences and  Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged ...

Load index
In addition to the load bearing index, the load index may also be imprinted on the sidewall of the tire. This specifies the load bearing capacity more precisely. ...

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 foll ...