See also:

Windows fogged up on the outside
Switch on the windshield wipers. Press the button repeatedly until the or symbol appears in the display. You should only select this setting until the windshield is clear again. ...

De-authorizing (de-registering) a Bluetooth® device
Mercedes-Benz USA, LLC recommends deauthorization in both COMAND and the Bluetooth® device, e.g. the mobile phone. Subsequent authorization may otherwise fail. In the Bluetooth® device list, se ...

The first 1000 miles (1500 km)
The more you look after the engine when it is new, the more satisfied you will be with its performance in the future.  - Drive at varying vehicle speeds and engine speeds for the first 100 ...