Mercedes-Benz GL-Class 2012 Owners Manual - Manual (Page 141)

Switching the front climate control on/
off using the front control panel
X Turn the SmartKey to position 2 in the
ignition lock.
X To switch on: press the à button.
The indicator lamp in the à button lights
up. Airflow and air distribution are set to
automatic mode.
or
X Press the ^ button.
The indicator lamp in the ^ button goes
out. The previously selected settings come
into effect again.
X To switch off: press the ^ button.
The indicator lamp in the ^ button lights
up.
Switching the rear-compartment
climate control on/off using the front
control panel
2-zone automatic climate control
X Turn the SmartKey to position 2 in the
ignition lock.
X To switch on/off: press the ± button.
The indicator lamp in the ± button lights
up or goes out.
3-zone automatic climate control
USA only:
X Turn the SmartKey to position 2 in the
ignition lock.
X To switch on/off: press the ± button.
The indicator lamp in the ± button lights
up or goes out.
Canada only:
X Turn the SmartKey to position 2 in the
ignition lock.
X To switch on: press the Y button.
ON and MODE are shown in the automatic
climate control display behind the Y
symbol. The
MODE display goes out after
three seconds. The display switches back
to the standard display.
X To switch off: press the Y button.
MODE is shown in the display behind the
Y symbol.
X Press button ^.
OFF is shown in the display behind the
Y symbol.
Switching the rear-compartment
climate control on/off using the rear
control panel
3-zone automatic climate control
X Turn the SmartKey to position 2 in the
ignition lock.
X Switch on automatic climate control using
the front control panel.
X To switch on: press the à button.
The indicator lamp in the à button lights
up.
X To switch off: press the ^ button.
The indicator lamp in the ^ button lights
up.
Activating/deactivating cooling with
air dehumidification
Important information
The cooling with air dehumidification function
is only available when the engine is running.
The air inside the vehicle is cooled and
dehumidified according to the temperature
selected.
G WARNING
If you switch off the cooling function, the
vehicle will not be cooled when weather
conditions are warm. The windows can fog up
more quickly. Window fogging may impair
visibility and endanger you and others.
Condensation may drip from the underside of
the vehicle when it is in cooling mode. This is
normal and not a sign that there is a
malfunction.
Operating the climate control system
139
Climate control
Z