See also:

Additives in gasoline
One of the main problems of poor fuel quality is the forming of deposits that are created during the gasoline combustion process. Mercedes-Benz recommends that you use fuel brands that have the ...

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 ...

Activating/deactivating the rear view camera
– To activate: make sure that the SmartKey is in position 2 in the ignition lock. – Make sure that the "rear view camera" function is selected in COMAND (see the separate operating in ...