Mercedes-Benz 2009 R-Class Automobile User Manual


 
3-zone automatic climate control
198
The previous settings are once again in
effect. The air conditioning compressor
remains switched on.
i
To deactivate, you can also press button
´ or U.
Windshield fogged on the outside
X
Switch the windshield wipers on
(Y page 122).
X
Press button U.
The indicator lamp in the button goes out.
Air volume and air distribution are
controlled separately for each zone.
If the automatic air volume and air
distribution are switched off:
X
Press buttons Y/8
11
and a/
7
11
.
Air recirculation mode
Switch to air recirculation mode to prevent
unpleasant odors from entering the vehicle
from the outside (e. g. before driving through
a tunnel). This setting cuts off the intake of
outside air and recirculates the air in the
passenger compartment.
G
Warning!
Fogged windows impair visibility,
endangering you and others. If the windows
begin to fog on the inside, switching off the
air recirculation mode immediately should
clear interior window fogging. If interior
window fogging persists, make sure the air
conditioning is activated, or press button
|.
X
Activating: Press button :.
The indicator lamp in the button comes on.
i
The air recirculation mode is activated
automatically at high outside
temperatures.
The indicator lamp in button : is not lit
when the air recirculation mode is switched
on automatically.
A quantity of outside air is added after
approximately 30 minutes.
If you have turned off the air conditioning
or the outside temperature is below 41‡
(5†), the air recirculation mode will not
switch on automatically.
X
Deactivating: Press button :.
The indicator lamp in the button goes out.
i
The manually selected air recirculation
mode is deactivated automatically:
R
after 5 minutes if the outside
temperature is below approximately
41‡ (5†)
R
after 5 minutes if the air conditioning and
air-drying are turned off
R
after 30 minutes if the outside
temperature is above approximately
41‡ (5†)
At outside temperatures above 79‡ (26†)
the system will not automatically switch back
to outside air. A quantity of outside air is
added after approximately 30 minutes.
11
Canada only
Controls in detail