See also:

Trailer towing
PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not required. ...

Call priority
When service calls are active, e.g. Roadside Assistance or MB Info calls, an emergency call can still be initiated. In this case, an emergency call will take priority and override all other ac ...

Parking brake
If you drive on wet roads or dirt-covered surfaces, road salt and/or dirt could get into the parking brake. In order to prevent corrosion and a reduction in the braking power of the parking brake ...