Defrosting the windows
Windows fogged up on the inside
► Activate the cooling with air
dehumidification function 
.
► Activate automatic mode
.
► If the windows continue to fog up,
activate
the defrosting function.
You should only select this setting until
the windshield is clear again.
Windows fogged up on the outside
► Switch on the windshield wipers.
► Press the
or
air distribution button.
You should only select this setting until
the windshield is clear again.
See also:
Distance warning function (vehicleswith DISTRONIC)
This function provides a warning from a speed
of approximately 20 mph(30 km/h), if:
• for a period of several seconds, the
distance to the vehicle in front is too short
for the speed at which you ...
Range of the sensors
General notes
The sensors must be free of dirt, ice and
slush; otherwise they may not function
correctly. Clean the sensors regularly, taking
care not to scratch or damage them.
Side view
...
Problems with the seat heating
The seat heating has switched itself off
prematurely. The vehicle's electrical system
voltage is too low because too many electrical
consumers are switched on.
Switch off electrical consumers ...