If climate control is switched off, the air supply and circulation will also be switched off. Use this setting only for a brief period. Otherwise, the windows could mist up.
to level 
or higher. to level 
. 
button. The indicator lamp on the button will light up. Climate control will automatically be regulated according to the set temperature.
button and set a blower setting. The blower settings will be shown on the display as a bar graph.
button and then press it again once the lowest blower setting has been reached. The operating unit display will go off.
button on the air conditioning operating unit. The indicator lamp on the button will light up when the rear climate control is switched on. The settings for temperature, airflow and, if a rear air conditioning system is fitted, air distribution will be adopted for the rear climate control.
To switch on:
button on the automatic climate control operating unit. The indicator lamp on the button will flash. The operating unit display will show the second menu level for the temperature and airflow setting of the rear air conditioning system.
button and set a blower setting for the rear climate control. The blower settings will be shown on the display as a bar graph. The rear air conditioning system will be switched on.
The display will show the selected rear-compartment temperature.
If you do not set a new value within approximately ten seconds, the operating unit display will return to the first menu level for the automatic climate control settings. The indicator lamp on the button will light up continuously.
The air distribution setting applies both to the automatic climate control and to the rear air conditioning system and cannot be set separately for the two.
button on the automatic climate control operating unit. The indicator lamp on the button will flash. The operating unit display will show the second menu level for the temperature and airflow setting of the rear air conditioning system.
button and then press it again once the lowest blower setting has been reached. The operating unit display will go off and the rear air conditioning system will be switched off.
If you do not set a new value within approximately ten seconds, the operating unit display will return to the first menu level for the automatic climate control settings. The indicator lamp in the button will go out.
When the vehicle is started, the climate control settings most recently selected will be adopted automatically.