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Controls in detail
Automatic climate control
Air conditioning
The air conditioning (cooling) function is
operational when the engine is running and
cools the vehicle interior down to the se-
lected temperature. In addition, the cool-
ing function dehumidifies the air in the
vehicle interior, thus preventing the
windows from fogging up.
Deactivating
It is possible to deactivate the cooling
function of the automatic climate control
system. The air in the vehicle will then no
longer be cooled or dehumidified.
̈ Press ± button (୴ page 186).
The indicator lamp on the ±
button comes on. 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
conditioning.
̈ Press ± button again (୴ page 186).
The indicator lamp on the ± button
goes out.
The air conditioning uses the refrigerant
R134a. This refrigerant is free of CFCs
which are harmful to the ozone layer.
Warning! G
If you turn 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/or
others.
i
Condensation may drip out from underneath
the vehicle. This is normal and not an indication
of a malfunction.
i
Under certain circumstances, e.g. when the
fuel system is too hot and needs to be cooled,
the cooling switches on again automatically. The
red lamp on the ± button the automatic
climate control panel flashes.
After cooling the fuel system sufficiently, the air
conditioning switches off again and the red lamp
stops flashing.
!
If you press the ± button on the auto-
matic climate control panel and it starts to flash,
this indicates that the air conditioning is losing
refrigerant. The compressor has turned off. The
air conditioning cannot be turned on again.
Have the air conditioning checked at the nearest
authorized Mercedes-Benz Center.