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Heating and air conditioning
Heating, ventilation, cooling
Introduction
This chapter contains information on the following subjects:
The heating and air conditioning systems ventilate and heat the vehicle interi-
or. The air conditioning system also cools and dehumidifies the vehicle interior.
The heating effect is dependent upon the coolant temperature, thus full heat
output only occurs when the engine has reached its operating temperature.
The heating and air conditioning systems only operate when the ignition is
switched on.
The cooling system operates only if the following conditions are met.
The cooling system is switched on.
The engine is running.
The outside temperature is above approximately +2 °C.
The blower is switched on.
If the cooling system is switched on, the temperature and air humidity drops in
the vehicle. The cooling system prevents the windows from misting up during
winter months.
It is possible to briefly activate re-circulated air mode to enhance the cooling
effect
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96.
WARNING
For your own safety and that of other road users, ensure that all the win-
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dows are free of ice, snow and misting.
The blower should always be on to prevent the windows from misting up.
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leaves) to ensure that the heating and cooling system operates properly.
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the air conditioning may drip down and form a puddle below the vehicle. This is
not a leak!
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ensure that the engine cools down.
The used air flows out through the vents in the luggage compartment.
WARNING (Continued)
Under certain circumstances, air at a temperature of about 5 °C can flow
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out of the vents when the cooling system is switched on.
To reduce health risks (e.g. common colds), the following instructions for
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the use of the cooling system are to be observed.
The difference between the indoor temperature and the outdoor air
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temperature should not be greater than about 5 ° C.
The cooling system is to be turned off about 10 minutes before the end
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of the journey.
Once a year, disinfection of the air conditioner or the Climatronic is to be
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carried out by a specialist company.
CAUTION
The air inlet in front of the windscreen must be free (e.g. of ice, snow or
After switching on the cooling system condensation from the evaporator of
If the coolant temperature is too high, the cooling system is switched off to
Note
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Heating and air conditioning
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