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. ...

AUX jacks
An external video source (video AUX) can be connected to COMAND via the media interface using the AUX jacks in the glove box. In vehicles with a rear view camera, the video AUX jack cannot b ...

Electronic helpers: the new assistance systems in the Mercedes-Benz C-Class
Adaptive Highbeam Assist. When vehicles are detected ahead of or approaching the vehicle, this system automatically dips the beams and adjusts the range of the headlamps appropriate to the distanc ...