When the vehicle is at a standstill, the auxiliary heater can be activated up to three times in succession for the
maximum operating duration.
Operating noises can be heard when the auxiliary heater is switched
on.
If you park on a downhill slope with very little fuel in the tank(just above reserve level), the fuel gauge may be
inaccurate and lead to functional restrictions of the auxiliary heater.
Programming the auxiliary heater and auxiliary ventilation
The auxiliary heater can be programmed in the Infotainment system.
Setting the 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
If a departure time has been activated, the yellow LED in the instrument cluster will light up for approximately
183
English 