Air Recirculation Mode - Mercedes-Benz GL450 Operator's Manual

Controls in detail
Climate control
Deactivating
Press button 0 ( page 214) once
more.
The indicator lamp on the button goes
out. Defrosting is turned off.
The previous settings are in effect
again. The air conditioning compressor
remains switched on.
i
To switch off, you can also press
button ´ or U ( page 214).
Windshield fogged on the outside
i
Keep this setting selected only until the
windshield is clear again.
Switch the windshield wipers on
( page 62).
220
Press button 0( page 214).
The indicator lamp on the button
comes on.
The climate control switches automatically
to the following functions:
maximum blower speed and heating
power
air flows onto the windshield and the
front side windows (side air vents must
be open)
the air conditioning compressor
switches on at outside temperatures
above approximately 41°F (5°C) for
air-drying
If the automatic air distribution is switched
off:
Press air distribution button 9 or a
( page 214).

Air recirculation mode

Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside (e.g. before driving
through a tunnel). This setting cuts off the
intake of outside air and recirculates the
air in the passenger compartment.
Warning!
Fogged windows impair visibility,
endangering you and others. If the windows
begin to fog on the inside, switching off the
air recirculation mode immediately should
clear interior window fogging. If interior win-
dow fogging persists, make sure the air
conditioning ( page 214) is activated, or
press button 0.
G