See also:

De-registering (de-authorizing) a mobile phone
Mercedes-Benz USA, LLC recommends deauthorizating in both COMAND and the mobile phone. Subsequent authorization may otherwise fail. To call up the telephone menu: press the function button ...

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 active ...

Hazard warning lamps
The hazard warning lamps automatically switch on if: • an air bag is deployed. • the vehicle is slowed down severely from a speed of over 45 mph(70 km/h) and comes to a halt. ► To swit ...