General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged.
•► Check the battery in the SmartKey and replace it if necessary.
•► Unlock the driver's door using the mechanical key.
•► Lock the vehicle using the mechanical key.
•► Have the starter battery and the battery contacts checked at a qualified specialist workshop.
If the SmartKey is faulty, contact Roadside Assistance or a qualified specialist workshop.
See also:
Mute
Press button 6 on the remote control.
The sound is switched on/off. ...
Releasing seat belts
- Press release button 4 and
guide belt tongue ; back towards belt
sash guide 1.
Make sure that the seat belt is fully rolled
up. Otherwise, the seat belt or belt tongue
will be trapped in th ...
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 ...