Mercedes-Benz CLA Operator's Manual page 128

Overview of climate control systems
126
To activate/deactivate air-recirculation mode (
?
To set the airflow (
A
To switch cooling with air dehumidification on/off (
B
To switch the rear window defroster on/off (
C
Optimum use of climate control
Automatic climate control
The following contains notes and recommen-
dations on optimum use of climate control.
Switch on the air-conditioning system by
R
turning control knob A clockwise to the
desired position (except position 0).
Set the temperature to 72 ‡ (22 †).
R
Recommendation for avoiding misted
R
windows at low exterior temperatures
or in rain: switch on the ¿ cooling with
dehumidification function (
Set air distribution to ¯ and if possible
switch off P and O (
In air-recirculation mode, switch e off
( page 135).
Y
Set airflow control A to a setting between
3 and 6 ( page 132).
Y
Recommendation for rapid cooling or
R
heating of the vehicle interior: briefly set
airflow control A to a setting between 3
and 6 ( page 132).
Y
Recommendation for a constant vehi-
R
cle interior temperature: set airflow con-
trol A to a setting between 1 and 3
( page 132).
Y
Recommendation for air distribution in
R
the winter: set O and ¯
( page 132).
Y
Recommendation for air distribution in
the summer: set P or P and ¯
( page 132).
Y
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
page 132)
Y
page 129).
Y
page 132).
Y
page 135)
Y
page 129)
Y
page 134)
Y
when in a tunnel. The windows could oth-
erwise fog up, since no fresh air is drawn
into the vehicle in air-recirculation mode.
Vehicles with COMAND: if you change the
R
settings of the climate control system, the
climate status display appears for three
seconds at the bottom of the screen in the
COMAND display. See also the separate
COMAND operating instructions. You will
see the current settings of the various cli-
mate control functions.
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 144).
Y