X
If possible, only select the ¯ setting of the
air distribution (Y page 139)
Only the indicator lamp in the ¯ button
lights up.
X
Close the centre air vents in vehicles with
heating (Y page 156).
X
In vehicles with air conditioning activate the
cooling with air dehumidification function
(Y page 138)
X
If the windows still mist up, set the climate
control functions as described for demisting
of the windscreen (Y page 141).
THERMOTRONIC automatic climate con-
trol
You should only select this setting until the win-
dows are clear again.
X
Switch on the rear window heating if neces-
sary (Y page 142).
X
Switch on climate control (Y page 136).
X
Switch off air-recirculation mode
(Y page 142).
X
Activate the cooling with air dehumidification
function (Y page 138).
X
Switch on automatic mode (Y page 138).
X
If the windows continue to mist up, switch on
the windscreen demisting function
(Y page 141).
Windows misted up on the outside
You should only select this setting until the
windscreen is clear again.
X
Switch on the windscreen wipers
(Y page 128).
X
Switch on climate control (Y page 136).
X
In warm and damp weather, do not allow cold
air to flow onto the windows. Close the side
air vents if required (Y page 156).
Switching the rear window heating
on/off
General notes
The rear window heating consumes a lot of
power. You should therefore switch off the rear
window heating as soon as the rear window is
clear.
X
Turn the key to position 2 in the ignition lock.
X
Press the ¤ button on the control panel.
If the indicator lamp in the ¤ button lights
up, the rear window heating is switched on.
The rear window heating switches off automat-
ically after a few minutes.
Problems with the rear window heating
The rear window heating has switched off pre-
maturely or cannot be activated.
The vehicle starter battery is not sufficiently
charged.
X
Switch off any consumers that are not
required, e.g. reading lamps, interior lighting
or seat heating.
When the battery is sufficiently charged, the
rear window heating can be activated again.
Activating/deactivating air-recircula-
tion mode
Important safety notes
You can deactivate the intake of fresh air if
unpleasant odours enter the vehicle from out-
side. The air inside the vehicle is then circulated.
When you activate air-recirculation mode, the
side windows and windows could mist up more
quickly, in particular at low outside tempera-
tures. Only activate air-recirculation mode for a
short time.
Heating
X
Switch on climate control (Y page 136).
X
Press the h button.
If the indicator lamp in the h button lights
up, air-recirculation mode is activated.
After approximately five minutes at outside tem-
peratures below about 7 †, air-recirculation
mode deactivates automatically.
TEMPMATIC air-conditioning system or
THERMOTRONIC automatic climate
control
X
Switch on climate control (Y page 136).
X
Press the h button.
If the indicator lamp in the h button lights
up, air-recirculation mode is activated.
142
Operating the climate control system
Climate control
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