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.
See also:
Opening
Switch off the engine.
Remove the SmartKey from the
ignition lock.
KEYLESS-GO: open the driver’s door. This
switches the ignition to position 0, which
corresponds to having removed the
Sma ...
Activating the rear view camera
Make sure that the SmartKey is
in position 2 in the ignition lock.
Make sure that the "rear view
camera" function is selected in COMAND (see the separate operating instructions
for ...
Important safety notes
WARNING
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before
its scheduled replacement interval. A clogged
filter will reduce the air volume to the inter ...