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:
Interior
The simplistic but perfectly usable space inside the GLK350 quietly and
confidently transported me with my children in tow. It was equally intrepid
during a rare single mom's night on the town.
...
Useful information
This Operator's Manual describes
all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differenc ...
Cleaning the seat belts
► Use clean, lukewarm water and soap
solution.
Do not clean the seat belts using chemical
cleaning agents. Do not dry the seat belts
by warming them above 176 °F (80 °C) or
placing them i ...