Mercedes-Benz E-Class 2011 Owner's Manual page 143

Operating the climate control system
140
Condensation may drip from the underside of
the vehicle when THERMOTRONIC is in cool-
ing mode. This is normal and not a sign that
there is a malfunction.
i
The cooling with air dehumidification
function uses refrigerant R134a. This cool-
ant does not contain chlorofluorocarbons,
and therefore does not damage the ozone
layer.
Activating/deactivating
To activate: press the ¿ button.
X
The indicator lamp above the ¿ button
lights up.
To switch off: press the ¿ button.
X
The indicator lamp above the ¿ button
goes out. The cooling with air dehumidifi-
cation function has a delayed switch-off
feature.
Problems with the cooling with air
dehumidification function
When you press the ¿ button, the indica-
tor lamp in the button flashes three times or
remains off. You can no longer switch on the
cooling with air dehumidification function.
Consult a qualified specialist workshop.
X
Setting climate control to automatic
mode
In automatic mode, the set temperature is
maintained automatically at a constant level.
The system automatically regulates the tem-
perature of the dispensed air, the airflow and
the air distribution.
Automatic mode will achieve optimal opera-
tion if cooling with air dehumidification is also
activated. If desired, cooling with air dehu-
midification can be deactivated.
Turn the key to position 2 in the ignition
X
lock.
Set the desired temperature.
X
To activate: press the à button.
X
The indicator lamp above the à button
lights up. Automatic air distribution and air-
flow are activated.
i
THERMOTRONIC automatic climate con-
trol: when automatic mode is activated, you
can select a climate mode setting
( page 140).
Y
To deactivate: press the air distribution
X
button.
THERMATIC automatic climate control:
press button F(
Y
THERMOTRONIC automatic climate con-
trol: press button I(
The indicator lamp above the à button
goes out.
or
Press the airflow button.
X
THERMATIC automatic climate control:
press button G(
Y
THERMOTRONIC automatic climate con-
trol: press button H(
The indicator lamp above the à button
goes out.
Setting the climate mode
This function is only available with the
THERMOTRONIC automatic climate control.
The climate control settings are especially
effective at high temperatures.
You can select the following climate control
settings in automatic mode:
FOCUS high airflow that is set slightly
cooler
MEDIUM medium airflow, standard setting
DIFFUSE low airflow that is set slightly
warmer and with a lower rate of
airflow
page 137).
page 138).
Y
page 137).
page 138).
Y