Mercedes-Benz GLC Owner's Manual page 171

Operating the climate control system
168
THERMOTRONIC automatic climate con-
trol
Activate or deactivate the synchronisation
X
function using Audio 20 or COMAND Online
(see the separate operating instructions).
The synchronisation function is deactivated:
if the settings for the front-passenger side
R
are changed
if the settings for the rear compartment are
R
changed
Demisting the windscreen
General notes
You can use this function to defrost the wind-
screen or to demist the inside of the wind-
screen and the front side windows.
Switch off the windscreen demisting function
as soon as the windscreen is clear again.
Switching the "Windscreen demisting"
function on or off
Turn the key to position 2 in the ignition
X
lock ( page 187).
Y
To switch on: press the ¬ rocker
X
switch on the front control unit up or down.
The indicator lamp above the ¬ rocker
switch lights up. The current climate con-
trol settings are deactivated.
The climate control system switches to the
following functions:
high airflow
R
high temperature
R
air distribution to the windscreen and
R
front side windows
air-recirculation mode off
R
i
If necessary, the "Cooling with air dehu-
midification" function is activated. In this
case, the indicator lamp above the
¿ rocker switch remains switched off.
To switch off: press the ¬ rocker
X
switch up or down.
The indicator lamp above the ¬ rocker
switch goes out. The previous settings are
reactivated. Air-recirculation mode
remains deactivated.
or
Press the upper or lower section of the
X
à rocker switch.
Demisting the windows
Windows misted up on the inside
Activate the "Cooling with air dehumidifi-
X
cation" function with the ¿ rocker
switch.
or
Activate the cooling with air dehumidifica-
X
tion function via Audio 20 or COMAND
Online (see the separate operating instruc-
tions).
For THERMOTRONIC automatic climate
control with auxiliary heating, the "Cooling
with air dehumidification" function can only
be activated using Audio 20 or COMAND
Online.
Switch on automatic mode using the Ã
X
rocker switch.
If the windows continue to mist up, activate
X
the windscreen demisting function using
the ¬ rocker switch.
i
You should only select this setting until
the windscreen is clear again.
Windows misted up on the outside
Activate the windscreen wipers.
X
Switch on automatic mode using the Ã
X
rocker switch.
i
If you clean the windows regularly, they
do not mist up so quickly.