See also:

Important safety notes
WARNING Only use roof racks approved by Mercedes-Benz for your vehicle model to avoid damage to the vehicle. Follow the manufacturer's installation instructions. Otherwise, an improperly a ...

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning ...

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 ...