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 ...

Neutral N with ECO start/stop function activated
The ECO start/stop function switches the engine off automatically if the vehicle is braked to a standstill when in neutral N and the brake is still depressed. For further information on the ECO ...

Seat belt adjustment
The seat-belt adjustment function adjusts the driver's and front-passenger seat belt to the upper body of the occupants. The belt strap is tightened slightly when: - you engage the belt tongue i ...