Mercedes-Benz 2009 C 230, Operator'S Manual

Page: 222 / 404

Climate control system
220
corresponding symbol is shown in display
b
or
d
.
Adjusting air volume
X Decrease/increase: Press button
·
or
Q
.
Front defroster
You can use this setting to defrost the
windshield, for example if it is iced up.
You can also defog the windshield and the
side windows.
i Keep this setting selected only until the
windshield or the side windows are clear
again.
X
Activating: Press button
y
.
The indicator lamp in the button comes on.
The climate control switches to the following
functions automatically:
R
cooling on to dehumidify
R
most efficient blower speed and heating
power, depending on outside temperature
R
air flows onto the windshield and the front
side windows
R
the air recirculation mode is switched off
i You can adjust the air distribution when
the front defroster is switched on.
X
Deactivating: Press button
y
again.
The indicator lamp in the button goes out.
The previous settings are once again in
effect. The cooling remains switched on.
The air recirculation remains switched off.
or
X
Press button
U
.
The indicator lamp in button
y
goes out.
Air volume and air distribution are adjusted
automatically.
i To deactivate defrosting, you can also
press button
´
,
Ï
,
Q
or turn
temperature controls.
Windshield fogged on the outside
X
Switch the windshield wipers on
(
Y
page 107).
If the automatic mode of the climate control
is switched off:
X
Press button
Z
repeatedly until one of
the following symbols appears in display
b
(
Y
page 211) or
d
(
Y
page 213)
a
or
Y
.
Maximum cooling MAX COOL
MAX COOL is only operational when the
engine is running.
MAX COOL is only available in U.S. vehicles.
You can use this setting to provide the fastest
possible cooling of the vehicle interior (when
windows and tilt/sliding sunroof or tilt/
sliding panel are closed).
X
Activating: Press button
3
(
Y
page 211).
The indicator lamp in the button comes on.
The climate control switches automatically to
the following functions:
R
maximum cooling
R
maximum blowing power
R
the air recirculation mode is switched on
Controls in detail