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:
Using KEYLESS-GO
The KEYLESS-GO key must be outside the
vehicle. All the doors must be closed.
Touch recessed sensor surface 1
on the
door handle until the side windows and the
sliding sunroof or the panor ...
Important safety notes
WARNING
When leaving the vehicle, always remove the SmartKey from the ignition lock.
Always take the SmartKey with you and lock the vehicle. Do not leave children unsupervised
in the vehicle ...
Cleaning the headliner and carpets
•► Roof lining: use soft brushes or dry
shampoo if it is particularly dirty.
•► Carpets: use carpet and textile cleaners
that have been approved and
recommended by Mercedes-Benz. ...