See also:

Snow chains
For safety reasons, Mercedes-Benz recommends that you only use snow chains which have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding standard of quality. ...

Canceling Parking Guidance
Press the PARKTRONIC button on the dashboard. Parking Guidance is canceled immediately and PARKTRONIC is deactivated. Parking Guidance is canceled automatically if it is no longer possible to ...

Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated. - Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the battery ...