Activating/deactivating climate control
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
Activating/deactivating
•► Turn the SmartKey to position 2 in the ignition lock.
•► To switch on: press the
button.
The indicator lamp above the button
lights up. Airflow and air distribution are set
to automatic mode.
or
•► Press the 
button.
The indicator lamp above the 
button
goes out. The previously selected settings
come into effect again.
•► To switch off: press the
button.
The indicator lamp above the 
button
lights up.
See also:
Setting the specified minimum distance
You can set the specified minimum distance
for DISTRONIC PLUS by varying the time span
between one and two seconds. With this
function, you can set the minimum distance
that DISTRONIC PLUS kee ...
Setting the side air vents
To open/close: turn thumbwheel 3 up or down.
Side window defroster vent 1 is never completely shut, even if side air vent
2 is shut. ...
DEF refill bottle
DEF refill bottles can be obtained at many gas
stations or at an authorized Mercedes-Benz
Center. Refill bottles without a threaded cap
do not provide overfill protection. DEF may
leak if over ...