2007-2013 Mercedes C Class 4 Door Climate control -> Overview of climate control systems User Manual
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Climate control -> Overview of climate control systems for Your Mercedes C Class 4 Door Second Generation (2007-2013)

Useful information
i
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences are
possible. Please note that your vehicle may
not be equipped with all features
described. This also applies to safety-
related systems and functions.
i
Read the information on qualified
specialist workshops: (Y page 25).
Overview of climate control systems
Important safety notes
Observe the settings recommended on the
following pages. The windows could
otherwise fog up.
To preventthe windows from fogging up:
R
switch off climate control only briefly
R
switch on air-recirculation mode only
briefly
R
switch on the cooling with air
dehumidification function
R
switch on the defrost windshield function
briefly, if required
Climate control regulates the temperature
and the humidity in the vehicle interior and
filters undesirable substances out of the air.
Climate control can only be operated when
the engine is running. Optimum operation is
only achieved with the side windows and roof
closed.
The residual heat function can only be
activated or deactivated with the ignition
switched off (Y page 136).
i
Ventilate the vehicle for a brief period
during warm weather, e.g. using the
convenience opening feature (Y page 86).
This will speed up the cooling process and
the desired vehicle interior temperature
will be reached more quickly.
i
The integrated filter can filter out most
particles of dust, and completely filters out
pollen. Aclogged filter reduces the amount
of air supplied to the vehicle interior.For
this reason, you should always observe the
interval for replacing the filter, which is
specified in the Maintenance Booklet.As it
depends on environmental conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Maintenance
Booklet.
i
It is possible that the dehumidification
function of the climate control system may
be activated automatically an hour after the
SmartKey has been removed. The vehicle
is ventilated for 30 minutes.
126
Overview of climate control systems
Climate control
Control panel for dual-zone automatic climate control
Canada only
:
To set the temperature, left (Y page 133)
;
To defrostthe windshield (Y page 134)
=
To switch the ZONE function on/off (Y page 134)
?
To switch cooling with air dehumidification on/off (Y page 131)
A
To switch the rear window defroster on/off (Y page 135)
B
To set the temperature, right (Y page 133)
C
To activate/deactivate air-recirculation mode (Y page 136)
D
To set the air distribution (Y page 133)
E
To increase the airflow (Y page 134)
F
To reduce the airflow (Y page 134)
G
To switch climate control on/off (Y page 131)
H
To set climate control to automatic (Y page 132)
Overview of climate control systems
127
Climate control
USA only
:
To set the temperature, left (Y page 133)
;
To defrost the windshield (Y page 134)
=
To switch maximum cooling on/off (Y page 135)
?
To switch cooling with air dehumidification on/off (Y page 131)
A
To switch the rear window defroster on/off (Y page 135)
B
To set the temperature, right (Y page 133)
C
To activate/deactivate air-recirculation mode (Y page 136)
D
To set the air distribution (Y page 133)
E
To increase the airflow (Y page 134)
F
To reduce the airflow (Y page 134)
G
To switch climate control on/off (Y page 131)
H
To set climate control to automatic (Y page 132)
Notes on using dual-zone automatic
climate control
Automatic climate control
The following contains notes and
recommendations on optimum use of dual-
zone automatic climate control.
R
Activate climate control using the à and
¿ buttons. The indicator lamps in the
à and ¿ buttons light up.
R
Set the temperature to 72 ‡ (22 †).
R
Only use the "windshield defrosting"
function briefly until the windshield is clear
again.
R
Only use air-recirculation mode briefly, e.g.
if there are unpleasant outside odors or
when in a tunnel. The windows could
otherwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
R
Use the ZONE function to adopt the
temperature settings on the driver's side
for the front-passenger side as well.The
indicator lamp in the á button goes out.
128
Overview of climate control systems
Climate control
ECO start/stop function
During automatic engine switch-off, the ECO
start/stop function only operates at a
reduced capacity. If you require the full
climate control output, you can switch off the
ECO start/stop function by pressing the ECO
button (Y page 146).
i
The ECO start/stop function is not
available on AMG vehicles.
Overview of climate control systems
129
Climate control
Control panel for 3-zone automatic climate control
Canada only
Frontcontrol panel
:
To set the temperature, left (Y page 133)
;
To defrost the windshield (Y page 134)
=
To switch the residual heat function on/off (Y page 136)
?
To switch cooling with air dehumidificationon/off (Y page 131)
A
To switch the rearwindow defroster on/off (Y page 135)
B
To set the temperature, right (Y page 133)
C
To switch the ZONE function on/off (Y page 134)
D
To switch climate control on/off (Y page 131)
E
To set the air distribution (Y page 133)
F
To increase the airflow (Y page 134)
G
To reduce the airflow (Y page 134)
H
To adjust airflow (Y page 132)
I
To activate/deactivate air-recirculation mode (Y page 136)
J
To set climate control to automatic (Y page 132)
Rear control panel
K
To increase the airflow (Y page 134)
L
To reduce the airflow (Y page 134)
M
Display
N
To reduce the temperature (Y page 133)
O
To increase the temperature (Y page 133)
130
Overview of climate control systems
Climate control

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