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Mercedes-Benz C-Class 2015 Owner's Manual page 135

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Operating the climate control system
132
Activating/deactivating cooling with air dehumidification
General notes
If you deactivate the "Cooling with air dehumidification" function, the air inside the vehicle will not
be cooled. The air inside the vehicle will also not be dehumidified. The windows can mist up more
quickly. Therefore, deactivate the "Cooling with air dehumidification" function only briefly.
The "Cooling with air dehumidification" function is only available when the engine is running. The air
inside the vehicle is cooled and dehumidified according to the temperature selected.
Condensation may drip from the underside of the vehicle when cooling mode is active. This is normal
and not a sign that there is a malfunction.
Activating/deactivating
Press the ¿ rocker switch up or down
X
The indicator lamp above the rocker switch lights up or goes out.
Problems with the "Cooling with air dehumidification" function
Problem
The indicator lamp above
the ¿ rocker switch
flashes three times or
remains off. The cooling
with air dehumidification
function cannot be acti-
vated via the multimedia
system any longer
(
page 301).
Y
Setting climate control to automatic
mode
General notes
In automatic mode, the set temperature is main-
tained automatically at a constant level. The
system automatically regulates the temperature
of the dispensed air, the airflow and the air dis-
tribution.
The "Cooling with air dehumidification" function
is activated automatically in automatic mode.
Possible causes/consequences and M M Solutions
The cooling with air dehumidification function has been deactivated
due to a malfunction.
Consult a qualified specialist workshop.
X
Automatic control
Turn the key to position 2 in the ignition lock
X
(
page 145).
Y
Set the desired temperature using the w
X
rocker switch on the front control unit.
To activate: press the à rocker switch up
X
or down.
The indicator lamp above the à rocker
switch lights up.
To switch to manual operation: press the
X
H rocker switch up or down.
or
Press the upper or lower section of the _
X
rocker switch.
The indicator lamp above the à rocker
switch goes out.
In automatic mode, if you adjust the airflow or
air distribution manually, the indicator lamp
above the à rocker switch goes out. The
function which has not been changed manually,

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