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 ...

Folding the seat backrest back
Folding the seat backrest back Move the driver's or front-passenger seat forward if necessary. Make sure that the seat belt does not become trapped when folding the rear seat backrest ...

Releasing seat belts
Press release button 4 and guide belt tongue 2 back towards belt sash guide 1. Make sure that the seat belt is fully rolled up. Otherwise, the seat belt or belt tongue will be trapped in ...