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 and closing the sidewindows
1 Front left
2 Front right
3 Rear right
4 Rear left
The switches for all side windows are located
on the driver's door. There is also a switch on
each door for the corresponding side window.
...
Centrally locking and unlocking the vehicle from the inside
You can centrally lock or unlock the vehicle
from the inside.
The central locking/unlocking button does
not lock or unlock the fuel filler flap.
You cannot unlock the vehicle centrally
from t ...
Styling
Riding lower than a crossover but looking sleeker than a minivan, the R-Class
might best be described as a large wagon. It's nearly as long as Mercedes'
flagship S-Class full-size sedan, but wider ...