Problems with the rear window defroster
The rear window defroster has deactivated itself 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:
4MATIC (permanent four-wheel drive)
4MATIC ensures that all four wheels are
permanently driven. Together with ESP® and
4ETS, it improves the traction of your vehicle
whenever a drive wheel spins due to
insufficient grip.
WARNING&nb ...
Driving systems
Display messages
Possible causes/consequences and
Solutions
Based on specific criteria, ATTENTION ASSIST has determined that the
driver is tired or paying less attention ...
Driving systems
The red distance
warning lamp lights up
while the vehicle is in
motion. A warning tone
also sounds.
Risk of accident
The warning is issued if you approach a stationary vehicle or a
veh ...