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 ...

Vehicle data, GL 450
The data stated here refers specifically to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Lowering the vehicle
Turn the crank of the jack counterclockwise until the vehicle is once again standing firmly on the ground. Place the jack to one side. Tighten the wheel bolts evenly in a crosswise patt ...