Operating noises can be heard when the auxiliary heater is switched
on.
The 12-volt vehicle battery will discharge if the auxiliary heater or auxiliary ventilation is run several times
over an extended period. Drive the vehicle for an appropriate distance in order to recharge the 12-volt vehicle
battery.
The fuel gauge may not be accurate(just above the reserve quantity)when the vehicle is parked on a slope;
this may restrict the function of the auxiliary heater.
Programming the auxiliary heater and auxiliary ventilation
The auxiliary heater can be programmed in the Infotainment system.
Running time of the auxiliary heater
1. Open the Auxiliary heater menu.
2. Touch the Adjust function button.
3. To set the duration, touch theRunning time function button.
The set running time applies when the auxiliary heater is switched on with the immediate heat function or using
the remote control.
The maximum running time of the auxiliary heater is 60 minutes.
Setting desired temperature
You may only be able to set the desired temperature of the auxiliary heater on the Climatronic, depending on the
equipment.
1. Open the Auxiliary heater menu.
2. Touch theTemperature function button and set the desired temperature.
The auxiliary heater warms up the interior depending on the desired temperature. The vehicle interior warms up
evenly.
Programming departure time
Activation is for one heating or ventilation period only. The departure time must be activated for every start.
1. Before programming, check that the date and time set in the vehicle are correct (→ Clock).
2. Open the Auxiliary heater menu.
3. Touch the Adjust function button.
4. Select one of the memory entries for theDeparture time.
5. Touch the Activate function button.
Climatronic On the basis of the programmed departure time, the vehicle automatically calculates the start time for
heating or ventilation to the currently set temperature depending on the outside temperature.
The earliest programmed departure time is displayed in the exit menu in the Infotainment system, where you can also
switch it on or off.
Programming check
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