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:
Cleaning the windows
WARNING
Before cleaning the windshield or wiper
blades, switch off the windshield wipers and
remove the SmartKey from the ignition lock.
On vehicles with KEYLESS-GO, press the
Start/Stop b ...
Socket in the rear-compartment center console
Pull cover 2 out by its top edge. X Lift up the cover of socket 1.
...
Superlative ride comfort, outstanding handling dynamics and excellent
offroad performance
The AGILITY CONTROL suspension on which the Mercedes-Benz GLK-Class is
founded displays a high level of flexibility and resolves a conflict of aims
that particularly affects the SUV class, where c ...