Mercedes Benz 2009 M-Class User Manual
231
Controls in detail
3-zone automatic climate control*
Deactivating
It is possible to deactivate the air condi-
tioning (cooling) function of the automatic
climate control system. The air in the vehi-
cle will then no longer be cooled or dehu-
midified.
tioning (cooling) function of the automatic
climate control system. The air in the vehi-
cle will then no longer be cooled or dehu-
midified.
왘
Press button
9 (
컄
page 222).
The indicator lamp on the button goes
out. The cooling function switches off
after a short delay.
out. The cooling function switches off
after a short delay.
Activating
Moist air can fog up the windows. You can
dehumidify the air with the air condition-
ing.
dehumidify the air with the air condition-
ing.
왘
Press button
9 again.
The indicator lamp on the button
comes on.
comes on.
The air conditioning uses the refrigerant
R-134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
R-134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Using driver-side settings for all tem-
perature zones
perature zones
You can use the settings of the driver’s
side, such as temperature, air volume and
air distribution, for all temperature zones.
These settings only need to be made once
and the automatic climate control system
will automatically regulate the settings for
all temperature zones quickly and comfort-
ably.
side, such as temperature, air volume and
air distribution, for all temperature zones.
These settings only need to be made once
and the automatic climate control system
will automatically regulate the settings for
all temperature zones quickly and comfort-
ably.
Activating
왘
Adjust the temperature, air volume and
air distribution (
air distribution (
컄
page 222).
왘
Press button
; (
컄
page 222).
The indicator lamp on the button
comes on.
comes on.
The driver-side settings are used for all
temperature zones.
temperature zones.
Deactivating
왘
Press button
; (
컄
page 222) again.
The indicator lamp on the button goes
out.
out.
!
If the air conditioning cannot be turned on
again, this indicates that the air conditioning is
losing refrigerant. The compressor has turned
off.
losing refrigerant. The compressor has turned
off.
Have the air conditioning checked at the nearest
authorized Mercedes-Benz Light Truck Center.
authorized Mercedes-Benz Light Truck Center.
i
If you manually set the temperature, air vol-
ume or air distribution for the passenger side or
the rear passenger compartment when the
MONO setting is active, the MONO setting will
be switched off.
the rear passenger compartment when the
MONO setting is active, the MONO setting will
be switched off.