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 ...

Notes on selecting, mounting and replacing tires
• Only mount tires and wheels of the same type and make. • Only mount tires of the correct size onto the wheels. • After mounting new tires, run them in at moderate speeds for the first 60 ...

Checklist before driving off-road
– Engine oil level: check the engine oil and add oil if necessary. When driving on steep gradients, the oil level must be sufficiently high to ensure a correct oil supply in the vehicle. – DEF ...