CAUTION
The air inlet in front of the windscreen must be free (e.g. of ice, snow or
leaves) to ensure that the auxiliary heating operates properly.
Note
■
The auxiliary heating only switches the blower on, if it has achieved a coolant
temperature of approx. 50 °C.
■
In the engine compartment, water vapour may form during the operation of
the heater.
Power on / off
Fig. 159
Button for switching on / off (Climatronic / manual air condi-
tioning)
Read and observe
and on page 120 first.
Functional requirements of the auxiliary heating.
The charge state of the vehicle battery is sufficient.
The fuel supply is adequate (the warning light
is not illuminated in the
instrument cluster).
Manual on / off
▶
Using the button on the operating part of the air conditioning» Fig. 159.
▶
Using the (switch on) / (switch off) button on the remote control opera-
tion.
Automatic on / off
▶
Via an automatically programmed and activated pre-set time in Infotainment.
▶
According to the environmental conditions.
Switching off the auxiliary heating takes place automatically when there is a
lack of fuel (warning light in the instrument cluster lights up).
After switching off, the coolant pump and the auxiliary heating will continue
running a little while longer in order to burn the remaining fuel in the heating.
Setting automatic on / off
Climatronic: On the Climatronic, press the button → tap the function
surface on the Infotainment screen. There will be a display of the last set oper-
ating mode with the option to change this.
Manual air conditioning: in Infotainment in the menu
/ tap the func-
tion surface.
Then follow the instructions on the Infotainment screen.
When automatic switching on is activated, the warning light in the
symbol
button lights up for about 10 seconds after the ignition is turned off » Fig. 159.
Operation in Infotainment
Fig. 160
Auxiliary heating: main menu/setting the preset time
Read and observe and on page 120 first.
Call up the main menu
›
On the Climatronic, press the button → tap the function surface on the
Infotainment screen.
Or vehicles with manual air conditioning:
›
In Infotainment in the menu
/ tap the function surface.
121
Heating and ventilation
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