Mercedes-Benz 2009 CLS550 C Automobile User Manual


 
Climate control system
164
Deactivating the climate control sys-
tem
G
Warning!
When the climate control is switched off,
the outside air supply and circulation are
also switched off. Only choose this setting
for a short time. Otherwise the windows
could fog up, impairing visibility and endan-
gering you and others.
X
Deactivating: Press button ´.
0 appears in display 4 (Y page 160).
X
Reactivating: Press button ´ again.
Display 4 comes on. The previous settings
are once again in effect.
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 addi-
tion, the air conditioning dehumidifies the
interior air and helps prevent window fogging.
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 oth-
ers.
i
Condensation may drip out from under-
neath the vehicle. This is normal and not an
indication of a malfunction.
Deactivating
It is possible to deactivate the cooling func-
tion of the climate control system. The inte-
rior air will then no longer be cooled or
dehumidified.
X
Press button 2.
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 condi-
tioning.
X
Press button 2 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.
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 dehumidifi-
cation is switched on. This function can be
switched off if necessary.
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 oth-
ers.
Controls in detail