Theft deterrent locking system

See also:

Panic alarm
■ To activate: press button 1: for at least one second. An alarm sounds and the exterior lighting flashes. ■ To deactivate: press button 1: again. or ■ Insert the SmartKey ...

Switching the rear window defroster on/off
Activating/deactivating WARNING Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. ` ...

Problems with your vehicle
If you should experience a problem with your vehicle, particularly one that you believe may affect its safe operation, we urge you to contact an authorized Mercedes-Benz Center immediately to have ...