Mercedes-Benz C-Class 2017 Operator's Manual page 131

climate control. You can set the airflow sepa-
rately for the front and rear compartment.
Turn the SmartKey to position 2 in the igni-
X
tion lock ( page 136).
Y
To increase or reduce:press rocker switch
X
K or I on the rear control panel up or
down.
The selected airflow level appears in the rear
display.
Activating or deactivating the syn-
chronization function
General notes
The "Synchronization" function is available only
with dual-zone automatic climate control and 3-
zone automatic climate control.
Climate control can be set centrally using the
synchronization function. The temperature set-
ting is adopted for the front-passenger side. For
3-zone automatic climate control, the tempera-
ture setting is adopted for the front-passenger
side and rear compartment.
Activating/deactivating
Dual-zone automatic climate control
Press the 0 rocker switch up or down.
X
The indicator lamp above the 0 rocker
switch lights up or goes out.
The synchronization function deactivates if the
settings for the front-passenger side are
changed.
3-zone automatic climate control
Activate or deactivate the "Synchronization"
X
function using the multimedia system
( page 272).
Y
The synchronization function is deactivated:
if the settings for the front-passenger side are
R
changed
the settings for the rear compartment are
R
changed
Operating the climate control systems
Defrosting the windshield
General notes
You can use this function to defrost the wind-
shield or to clear a fogged up windshield or front
side windows on the inside.
Switch off the "Windshield defrosting" function
as soon as the windshield is clear again.
Switching the "Windshield defrosting"
function on or off
Turn the SmartKey to position 2 in the igni-
X
tion lock (
To switch on:press rocker switch ¬ on
X
the front control unit up or down.
The indicator lamp above the ¬ rocker
switch lights up. The current climate control
settings are deactivated.
The climate control system switches to the
following functions:
high airflow
R
high temperature
R
air distribution to the windshield and front
R
side windows
air-recirculation mode off
R
i
If necessary, the "Cooling with air dehumid-
ification" function is activated. In this case,
the indicator lamp above the ¿ rocker
switch remains switched off.
To switch off: press rocker switch ¬ up or
X
down.
The indicator lamp above the ¬ rocker
switch goes out. The previously selected set-
tings are restored. Air-recirculation mode
remains deactivated.
Defrosting the windows
Windows fogged up on the inside
Activate the "Cooling with air dehumidifica-
X
tion" function with the ¿ rocker switch.
Switch on automatic mode using the Ã
X
rocker switch.
If the windows continue to fog up, activate the
X
"Windshield defrosting" function using the
¬ rocker switch.
page 136).
Y
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