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Useful information
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This Owner's Manual describes all models,
series and optional equipment for your vehi-
cle that were available at the time of going to
press. National variations are possible. Note
that your vehicle may not be equipped with all
of the functions described. This is also the
case for systems and functions relevant to
safety.
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Read the information on qualified specialist
workshops: (
page 28).
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Overview of climate control systems
General notes
Observe the settings recommended on the fol-
lowing pages. The windows could otherwise
mist up.
To prevent the windows from misting up:
switch off climate control only briefly
R
activate air-recirculation mode only briefly
R
switch on "Cooling with air dehumidification"
R
activate the windscreen demisting function
R
briefly, if required
Climate control regulates the temperature and
the humidity in the vehicle interior and filters
undesirable substances out of the air.
For vehicles with a combustion engine, the
"Cooling with air dehumidification" function is
only available when the engine is running. For
hybrid vehicles, the "Cooling with air dehumidi-
fication" function is also available via the elec-
tric refrigerant compressor when the engine is
not running. Optimum climate control is only
achieved with the side windows and roof closed.
The "Residual heat" function can only be activa-
ted or deactivated with the ignition switched off
(
page 146).
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Ventilate the vehicle for a brief period during
warm weather, e.g. using the "Convenience
opening" feature (
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This will speed up the cooling process and the
desired interior temperature will be reached
more quickly.
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The integrated filter filters out most parti-
cles of dust and soot and completely filters
out pollen. It also reduces gaseous pollutants
and odours. A clogged filter reduces the
Overview of climate control systems
page 99).
amount of air supplied to the vehicle interior.
For this reason, you should always observe
the interval for replacing the filter, which is
specified in the Service Booklet. As this
depends on environmental conditions, e.g.
heavy air pollution, the interval may be
shorter than stated in the Service Booklet.
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Vehicles with AIR-BALANCE package: in
addition to ionisation, the vehicle has an air
filter with anti-allergenic properties that con-
tribute to improved air filtration.
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Under certain environmental conditions, the
residual heat function may be activated auto-
matically an hour after the key has been
removed in order to dry the automatic climate
control. The vehicle is then ventilated for 30
minutes.
135
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