If you have selected drive program E:
R
the cooling output is reduced when cooling
R
when heating, the electrical heater booster is
deactivated and heat output is reduced as a
result
R
the rear window defroster running time is
reduced
If you have selected drive program C, S or S+,
the current climate settings are maintained.
ECO start/stop function
During automatic engine switch-off, the climate
control system only operates at a reduced capa-
city. If you require the full climate control output,
you can switch off the ECO start/stop function
by pressing the ECO button (
Y
page 136).
Operating the climate control sys-
tems
Activating/deactivating climate con-
trol
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
Ã
rocker switch (
Y
page 123).
Activating/deactivating
X
Turn the SmartKey to position 2 in the ignition
lock (
Y
page 131).
X
To switch on: set the airflow to level 1 or
higher using the
H
rocker switch.
X
To switch off: set the airflow to level 0 using
the
H
rocker switch.
122
Operating the climate control systems
Climate
contro
l
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