Activating/deactivating climatecontrol
Important information
WARNING 
When the climate control system is
deactivated, the outside air supply and
circulation are also deactivated. Only choose
this setting for a short time. Otherwise the
windows could fog up, impairing visibility and
endangering you and others.
Switch on climate control primarily using
the 
button.
Switching the front climate control on/off using the front control panel
► Turn the SmartKey to position 2 in the
ignition lock.
► To switch on: press the
button.
The indicator lamp in the button
lights
up. Airflow and air distribution are set to
automatic mode.
or
► Press the
button.
The indicator lamp in the 
button
goes
out. The previously selected settings come
into effect again.
► To switch off: press the
button.
The indicator lamp in the 
button
lights
up.
Switching the rear-compartment climate control on/off using the front control panel
2-zone automatic climate control
► Turn the SmartKey to position 2 in the
ignition lock.
► To switch on/off: press the
button.
The indicator lamp in the 
button
lights
up or goes out.
3-zone automatic climate control
USA only:
► Turn the SmartKey to position 2 in the
ignition lock.
► To switch on/off: press the
button.
The indicator lamp in the button
lights
up or goes out.
► Turn the SmartKey to position 2 in the
ignition lock.
► To switch on: press the
button.
ON and MODE are shown in the automatic
climate control display behind the 
symbol. The MODE display goes out after
three seconds. The display switches back
to the standard display.
► To switch off: press the
button.
MODE is shown in the display behind the
symbol.
► Press button
.
OFF is shown in the display behind the
symbol.
Switching the rear-compartment climate control on/off using the rear control panel
3-zone automatic climate control
► Turn the SmartKey to position 2 in the
ignition lock.
► Switch on automatic climate control using
the front control panel.
► To switch on: press the
button.
The indicator lamp in the button
lights
up.
► To switch off: press the
button.
The indicator lamp in the button
lights
up.
See also:
Rejecting or ending a call
► Press the
button on the steering
wheel.
If you are not in the Telephone menu, you can
still accept a call. ...
Trailer towing
PARKTRONIC is deactivated for the rear area
when you establish an electrical connection
between your vehicle and a trailer.
Fold in the ball coupling if the trailer tow
hitch is not requir ...
Problems with the occupant classification system
WARNING
If the indicator lamp
illuminates and remains illuminated when the weight of a typical
adult or someone larger than a small individual has been detected on the
passenger seat, do ...