Mercedes-Benz GL-Class: Infrared reflective windshield
The infrared reflecting glass prevents the vehicle interior from becoming too hot. It also blocks radio waves up into the gigahertz range.

In order to operate radio-controlled equipment, e.g. toll recording systems, areas 1 on the windshield are permeable to radio waves. In these areas, you can install radio-controlled systems.
These areas can best be seen from outside the vehicle by observing the light reflected off the windshield.
Floormat on the driver's side
WARNING
Whenever you are using a floormat, make sure
there is enough clearance and that the
floormat is securely fastened.
The floormat should always be securely
fastened using the fa ...
See also:
Windshield deicer (if so equipped)
The windshield deicer switch (rear window
and outside mirror defroster switch) operates
when the ignition switch is in the ON
position.
The deicer is used to remove ice from the
windshield w ...
Headlamps - condensation
Misting of lamp lenses can occur under some atmospheric conditions. This will
not affect the performance of the lamps and will clear during normal operation. ...
Headlight switch
Lighting
1 Turn the switch to the
position:
The front parking, side marker, tail,
license plate and instrument lights
will come on.
2 Turn the switch to the position:
Headlights wil ...







