Optimum Use Of 3-Zone Automatic Climate Control; Switching Climate Control On/Off - Mercedes-Benz C-Class Operator's Manual

Operating the climate control systems
142
Optimum use of 3-zone automatic cli-
mate control
3-zone automatic climate control
The following contains instructions and rec-
ommendations to enable you to get the most
out of your 3-zone automatic climate control.
Activate climate control using the Ã
R
rocker switch. The indicator lamp above
the à rocker switch lights up. The "Cool-
ing with air dehumidification" function is
not activated automatically in automatic
mode. If necessary, activate this function
( page 143).
Y
Set the temperature to 72 ‡ (22 †).
R
Only use the "Windshield defrosting" func-
R
tion briefly until the windshield is clear
again.
Only use air-recirculation mode briefly, e.g.
R
if there are unpleasant outside odors or
when in a tunnel. The windows could oth-
erwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
Use the residual heat function if you want to
R
heat or ventilate the vehicle interior when
the ignition is switched off. The residual
heat function can only be activated or deac-
tivated with the ignition switched off. The
residual heat function is switched off when
the ignition is switched on.
AGILITY SELECT switch
You can choose between various drive pro-
grams with the AGILITY SELECT switch
( page 167).
Y
If you have selected the drive program E, the
climate control switches to Eco mode.
In Eco mode:
the cooling output is reduced when cooling
R
when heating, the electrical heater booster
R
is deactivated and heat output is reduced
as a result
the rear window defroster running time is
R
reduced
If you have selected the drive program C, S or
S+ the climate control switches to Comfort
mode. The current climate control settings
are maintained in Comfort mode.
ECO start/stop function
During automatic engine switch-off, the cli-
mate control system only operates at a
reduced capacity. If you require the full cli-
mate control output, you can switch off the
ECO start/stop function by pressing the ECO
button ( page 162).
Y
Operating the climate control sys-
tems

Switching climate control on/off

General notes
When the climate control is switched off, the
air supply and air circulation are also
switched off. The windows could fog up.
Therefore, switch off climate control only
briefly
Switch on climate control primarily using the
à rocker switch (
Y
Switching on/off
Turn the SmartKey to position 2 in the igni-
X
tion lock ( page 157).
Y
To switch on: press the t/!
X
rocker switch up or down.
The Audio 20/COMAND climate control
menu opens.
Activate the climate control using the air-
X
conditioning function bar; see the separate
Audio 20/COMAND operating instruc-
tions.
or
Set the airflow to level 1 or higher using the
X
H button.
page 144).