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WARNING
The auxiliary heating (aux. heating) must never be operated in closed
■
rooms (e.g. garages) – risk of poisoning!
The auxiliary heating (aux. heating) must not be allowed to run during re-
■
fuelling – risk of fire.
The exhaust pipe of the auxiliary heating (aux. heating) is located on the
■
underside of the vehicle. Therefore, if you wish to operate the auxiliary
heating (aux. heating), do not park the vehicle in such a way that the ex-
haust gases can come into contact with highly flammable materials (e.g. dry
grass) or easily inflammable substances (e.g. spilt fuel) – risk of fire.
CAUTION
Running auxiliary heating (aux. heating) consumes fuel from the vehicle tank
■
and automatically controls the filling level. If only a low quantity of fuel is
present in the fuel tank, the auxiliary heating (aux. heating) switches off.
The exhaust pipe of the auxiliary heating (aux. heating), which is located on
■
the underside of the vehicle, must not be clogged and the exhaust flow must
not be blocked.
If the auxiliary heating (aux. heating) is running, the vehicle battery discharg-
■
es. If the auxiliary heating and ventilation has been operated several times
over a longer period, the vehicle must be driven a few kilometres in order to
recharge the vehicle battery.
Note
The auxiliary heating (aux. heating) switches on the blower
■
page 110 or
» Fig. 125
on page 113 only if it has achieved a coolant temperature
of approx. 50 °C.
At low outside temperatures, this can result in a formation of water vapour in
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the area of the engine compartment. This is quite normal and is not an operat-
ing problem.
The air inlet in front of the windscreen must be free (e.g. of ice, snow or
■
leaves) to ensure that the auxiliary heating (aux. heating) operates properly.
So that warm air can flow into the vehicle interior after switching on the aux-
■
iliary heating, you must maintain the comfort temperature normally selected
by you, leave the fan switched on and leave the air outlet vents in an open po-
sition. It is recommended to put the air flow in the position or .
Switching on/off
Fig. 126 Button for switching on/off the system directly on the operating
part of the air conditioning/Climatronic
Read and observe
The auxiliary heating (aux. heating) can be switched on/off as follows.
Manually switching on
using the button on the operating part of the manual air conditioning/Cli-
matronic. The warning light in the button lights up
by using the radio remote control
Manually switching off
» Fig. 124
on
B
using the button on the operating part of the manual air conditioning/Cli-
matronic. The warning light in the button goes out
by using the radio remote control
After switching off the auxiliary heating, the coolant pump runs for a short pe-
riod.
Automatic switching on/off
The following menu items can be selected from the Aux. heating menu item in
the information display
Day of the week - set the current day of the week;
■
Running time - Set the required running time in 5 minute increments. The
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running time can be 10 to 60 minutes.
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Mode - Set the desired heating/ventilation mode;
and
on page 117 first.
» Fig.
» page
118.
» Fig.
» page
118.
» page 44
(depending on the vehicle equipment):
Air conditioning system
126;
126;
117
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