Mercedes-Benz 2010 R-Class Operator's Manual page 169

251_AKB; 4; 52, en-US
d2ureepe,
If you press button ¦ to reactivate the
climate control system, the defrosting
mode is activated.
Deactivating the rear climate control
from the front
X
Deactivating: Press button ±.
The indicator lamp in the button comes on.
X
Reactivating: Press button ±.
The indicator lamp in the button goes out.
Air conditioning
The air conditioning is operational while the
engine is running and cools the interior air to
the temperature set by the operator. In
addition, the air conditioning dehumidifies
the interior air and helps prevent window
fogging.
G
Warning!
If you switch off the air conditioning, 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.
i Condensation may drip out from
underneath the vehicle. This is normal and
not an indication of a malfunction.
Deactivating
It is possible to deactivate the air
conditioning. The interior air will then no
longer be cooled or dehumidified.
X
Press button Á.
The indicator lamp in the button goes out.
The cooling function switches off after a
short delay.
Activating
Moist air can fog up the windows. You can
dehumidify the interior air with the air
conditioning.
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Version: 2.11.8.1
Climate control
X
Press button Á again.
The indicator lamp in the button comes on.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs which
are harmful to the ozone layer.
! If the air conditioning cannot be activated
again, this indicates that the air
conditioning is losing refrigerant. The
compressor has turned off.
Have the air conditioning checked at the
nearest authorized Mercedes-Benz Center.
Automatic mode
When operating the climate control system in
automatic mode, the interior air temperature,
air volume and air distribution are adjusted
automatically.
In automatic mode, cooling with
dehumidification is switched on. This function
can be switched off if necessary.
G
Warning!
If you switch off the air conditioning, 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.
X
Set the desired temperature
( Y page 168).
X
Activating: Press button Ã.
The indicator lamp in the button comes on.
The air volume and air distribution are
adjusted automatically.
i The settings for the passenger side are
also used for the rear passenger
compartment.
X
Deactivating: Press button I or K.
The indicator lamp in button à goes out.
The automatic operation of air volume
switches off. The selected blower speed is
167
Z