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Air conditioning
the windscreen. Switch on the defrost func-
tion as soon as possible to clear the wind-
screen of condensation.
Air vents
To ensure proper heating, cooling and venti-
lation in the vehicle interior
, the air vents must
remain open.
●
Turn the corresponding thumbwheel in the
required direction to open and close the air
vents. When the thumbwheel is in the posi-
tion, the corresponding air vent is closed.
●
Change the air direction using the ventila-
tion grille lever
.
There are other additional, non-adjustable air
vents in the dash panel, in the footwells and in
the rear area of the passenger compartment.
Note
Food, medicine and other heat or cold sen-
sitive objects should nev
er be placed in
front of the air outlets as they may be dam-
aged or made unsuitable for use by the air.
Air recirculation
Air recirculation mode prevents the ambient
air fr
om ent
ering the int
erior
.
When the outside t
emperature is very high,
selecting manual air recirculation mode for a
short period refreshes the vehicle interior
more quickly.
For safety reasons, air recirculation mode is
switched off when the button is press-
ed or the air distributor turned to .
Switching the manual air recirculation
mode on and off
●
Press the button to connect or discon-
nect manual air recirculation.
Climatronic automatic air recirculation
mode
With the automatic air recirculation mode ac-
tivated, the entry of fresh air into the cabin in-
terior is enabled. If the system detects a high
concentration of hazardous substances in the
ambient air, air recirculation mode is switched
on automatically. When the level of impurities
drops to within a normal range, recirculation
mode is switched off.
The system is unable to detect unpleasant
smells.
●
Automatic air recirculation is activated and
deactivated in the climate control menu
›››
page 159.
The air recirculation will not connect auto-
matically in versions without humidity sensor
and in the following external conditions:
●
The outside temperature is lower than +3°C
(+38°F).
●
The cooling system is switched off and the
outside temperature is below +10°C (+50°F).
●
The cooling system is switched off, the out-
side temperature is below +15°C (+59°F) and
the windscreen wipers are switched on.
WARNING
Observe the safety warnings
›››
in Intro-
duction on page 156.
●
If the cooling system is switched off and
air recirculation mode swit
ched on, the
windows can mist over very quickly, con-
siderably limiting visibility.
●
Switch air recirculation mode off when it
is not required.
CAUTION
Do not smoke when air recirculation is
switched on in vehicles with an air condi-
tioner
. The smoke taken in could lie on the
cooling system vaporiser and on the acti-
vated charcoal cartridge of the dust and
pollen filter, leading to a permanently un-
pleasant smell.
Note
Climatronic: air recirculation mode is acti-
vated to pre
vent exhaust gas or unpleasant
odours from entering the vehicle interior
»
161
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