See also:

Brow of hill
When driving up an uphill gradient, slightly reduce pressure on the accelerator immediately before reaching the brow of the hill. Use the vehicle's own impetus to drive over the top of the hill. ...

Cornering light function
The cornering light function improves the illumination of the road over a wide angle in the direction you are turning, enabling better visibility in tight bends, for example. It can only be ...

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 ...