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.
► Turn the SmartKey to position 2 in the ignition lock.
► USA only: press the 
button.
The indicator lamp in the 
button
lights
up or goes out.
The rear window defroster has a high current draw. You should therefore switch it off as soon as the rear 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.
Problems with the rear window defroster
If the indicator lamp in the
rear window
defroster button flashes, the on-board
voltage is too low. The rear window defroster
has deactivated prematurely or cannot be
activated.
► Switch off any consumers that are not required, e.g. reading lamps or interior lighting.
When the battery is sufficiently charged, the rear window defroster is activated again automatically.
See also:
12 V sockets
General notes
If you are simultaneously using all three
sockets in the vehicle, make sure that you
do not exceed the maximum current draw
of 45 A. Otherwise, you will overload the
fuses.
The s ...
Maintenance
Service interval display
Service messages
Information on the type of service and service
intervals (see separate Service Booklet).
You can obtain further information from an
authorized Mercedes-B ...
Transporting the vehicle
Only lash the vehicle down by the wheels
or wheel rims, not by parts of the vehicle
such as axle or steering components.
Otherwise, the vehicle could be damaged.
The towing eyes or trailer tow h ...