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.

The rear window defroster has a high current draw. You should therefore switch it off as soon as the window is clear as it only switches off automatically after several minutes.

If the battery voltage is too low, the rear window defroster may switch off.

2 in the ignition lock. Turn the SmartKey to position 2 in the ignition lock.
button. Press the The indicator lamp in the  button button.
The indicator lamp in the lights up or goes out. button lights up or goes out.

    See also:

    Front air bags
    The front air bags increase protection for the driver's and front-passenger's head and chest. Driver's air bag 1 deploys in front of the steering wheel; front-passenger front air bag 2 depl ...

    Roadside Assistance button
      Press and hold Roadside Assistance button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in Roadside Assistance but ...

    Interior
    In all C-Class models, five passengers may revel in a sizable wood-trimmed interior with leather and vinyl upholstery. Full leather is available. Powered front seats have ample rearward travel to ...