The LED is illuminated with the system
switched on.
Ice and condensation are quickly removed
from the windshield and the front side win‐
dows.
The air flow can be adjusted with the air flow
active.
If there is window condensation, switch on the
air conditioning too.
Windshield defroster
Press button. The LED lights up.
The front window defroster switches
off automatically after a certain period of time.
Rear window defroster
Press button. The LED lights up.
The rear window defroster switches off
automatically after a certain period of time.
When GREEN Mode is activated, the heater out‐
put is reduced.
Microfilter/activated-charcoal filter
In external and recirculated-air mode the mi‐
crofilter/activated charcoal filter filters dust,
pollen, and gaseous pollutants out of the air.
Have this filter changed during vehicle mainte‐
nance, refer to page 231.
Ventilation
Setting
The air flow directions can be individually ad‐
justed:
▷ Direct ventilation:
The air flow is directly pointed onto the per‐
son. The air flow heats or cools noticeably,
depending on the adjusted temperature.
▷ Indirect ventilation:
If the vents are fully or partly closed, the air
is directly routed into the car's interior.
Front ventilation
▷ Turn knob for continuous opening and clos‐
ing of the vents.
▷ Swivel the vents to alter the direction of the
vent flow, arrows.
Parked-car ventilation
Concept
The parked-car ventilation ventilates the car's
interior and lowers its temperature, if needed.
General information
The parked-car ventilation can be switched on
and off directly or by using two preset activa‐
tion times. The system remains switched on for
30 minutes.
The parked-car ventilation system is operated
via the Central Information Display (CID).
Functional requirements
▷ Direct operation: vehicle is in radio-ready
state.
▷ Direct operation or preset activation time:
does not depend on external temperature.
▷ Battery is sufficiently charged.
If parked-car ventilation is switched on, the
vehicle battery will be discharged. Thus,
limit the maximum activation time to save
Seite 163
Climate control
CONTROLS
163
Online Edition for Part no. 01402983336 - X/17
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