Seats, steering wheel and mirrors

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 ...

Removing the mechanical key
Push release catch 1 in the direction of the arrow and at the same time, remove mechanical key 2 from the SmartKey. ...

Fuel filler flap
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESSGO. The position of the fuel filler cap is displayed in the instrument ...