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:

    Exhaust check
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    Activating/deactivating the MONO function
    This function is only available in vehicles for Canada. You can use the MONO function to adopt the temperature and air distribution settings on the driver's side for the front-passenger side. ...

    Setting the specified minimum distance
    You can set the specified minimum distance for DISTRONIC PLUS by varying the time span between one and two seconds. With this function, you can set the minimum distance that DISTRONIC PLUS kee ...