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Function Recommendation/Notes
6
AC cooling on/off
i
Switches on the air conditioning. The
indicator lamp in button Á comes on.
(Y page 121)
Residual heat/
ventilation
i
With the engine turned off, it is possible
to continue to heat or ventilate the
interior.
(Y page 124)
7
Air distribution and
air volume
(automatic mode)
(Y page 121)
8
Air recirculation
i
Only use this function for a short time,
e.g. in a tunnel. Otherwise, the windows
can fog up due to lack of fresh air.
(Y page 124)
9
¥ Front defroster
(USA only)
i
Keep this setting selected only until the
windshield or the side windows are clear
again.
(Y page 123)
z Front defroster
(Canada only)
Notes on climate control system
The climate control system is operational
whenever the engine is running. You can
operate the climate control system in either
the automatic or manual mode. The system
cools or heats the interior depending on the
selected interior temperature and the current
outside temperature.
It can only function optimally when you are
driving with the windows and the tilt/sliding
sunroof closed.
Nearly all dust particles, pollutants and odors
are filtered out before outside air enters the
passenger compartment through the air
distribution system.
G
Warning!
Severe conditions (e.g. strong air pollution)
may require replacement of the filter before
its scheduled replacement interval. A clogged
filter will reduce the air volume to the interior
and the windows could fog up, impairing
visibility and endangering you and others.
Have a clogged filter replaced as soon as
possible at an authorized Mercedes-Benz
Center.
The air conditioning will not engage (no
cooling) if the A/C mode (Y page 121) is
deactivated.
G
Warning!
Follow the recommended settings for heating
and cooling given on the following pages.
Otherwise the windows could fog up,
impairing visibility and endangering you and
others.
X
Keep the air intake grille in front of the
windshield free of snow and debris.
i
If the vehicle interior is hot, ventilate the
interior before driving off, see “Summer
opening feature” (Y page 82). The climate
control will then adjust the interior
temperature to the set value much faster.
120
Climate control system
Controls in detail
463_AKB; 2; 52, en-US
d2ureepe, Version: 2.11.7.1
2008-12-02T10:52:11+01:00 - Seite 120