Note
■
Do not stick anything onto or cover the interior temperature sensor
B
» Fig. 111 as this could impair the functioning of the Climatronic.
■
If the windscreen mists up, press the symbol button
. Press the button
once the windscreen has demisted.
■
During operation of the Climatronic, an increase in engine idle speed can oc-
cur under certain circumstances in order to ensure adequate heating comfort.
■
On vehicles equipped with a factory-fitted radio or radio navigation system,
the Climatronic information is also shown on their displays. This function can
be switched off, see » operating instructions for the radio or navigation sys-
tem.
Efficient handling of the cooling system
Read and observe
and on page 103 first.
The air conditioning system compressor uses power from the engine when in
cooling mode, which will affect the fuel consumption.
It recommended to open the windows or the doors of a vehicle for which the
interior has been strongly heated through the effect of direct sunlight in order
to allow the heated air to escape.
The cooling system should not be on if the windows are open.
For the sake of the environment
Pollutant emissions are also lower when fuel is being saved » page 136.
malfunctions
Read and observe and on page 103 first.
If the cooling system does not operate at outside temperatures higher than +5
°C, there is a problem in the system. The reasons for this may be.
›
One of the fuses has blown. Check the fuse and replace if necessa-
ry » page 207.
›
The cooling system has switched off automatically for a short time because
the coolant temperature of the engine is too hot » page 29.
If you are not able to resolve the operational problem yourself, or if the cooler
output has reduced, switch off the cooling system and seek assistance from a
specialist garage.
Auxiliary heating (auxiliary heating and ventilation)
Introduction
This chapter contains information on the following subjects:
Switching on and off directly
109
System settings 109
Radio remote control 110
Conditions for the functioning of auxiliary heating (auxiliary heating and venti-
lation), hereinafter referred to only as auxiliary heating.
The charge state of the vehicle battery is sufficient.
The fuel supply is adequate (the warning icon
is not lit in the display of
the instrument cluster).
Auxiliary ventilation
The auxiliary ventilation enables fresh air to flow into the vehicle interior by
switching off the engine, whereby the interior temperature is effectively de-
creased (e.g. with the vehicle parked in the sun).
Auxiliary heating (auxiliary heating)
The auxiliary heating can be used when both when stationary, when the en-
gine is switched off, to preheat the vehicle and also while driving (e.g. during
the heating phase of the engine).
The auxiliary heater functions in connection with the air-conditioning system
or Climatronic.
The auxiliary heating also warms up the engine.
The auxiliary heating warms up the coolant by combusting fuel from the vehi-
cle tank. The coolant heats air flowing into the passenger compartment (as
long as the blower fan speed is not set to zero).
108
Using the system
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