Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected.
If the battery voltage is too low, the seat
ventilation may switch off.

Make sure that the SmartKey is in position
2 in the ignition lock.
To switch on: press button 1 repeatedly
until the desired ventilation level is set.
You can open the side windows and the
sliding sunroof using the "Convenience
opening" feature. The seat
ventilation of the driver's seat
automatically switches to the highest level.
To switch off: press button 1 repeatedly
until all the indicator lamps go out.
See also:
Capacities
...
Notes on technical data
The data stated here specifically refers to
a vehicle with standard equipment. Consult
an authorized Mercedes-Benz Center for
the data for all vehicle variants and trim
levels. ...
Low outside temperatures
DEF freezes at a temperature of
approximately 12 °F (–11 °C). The vehicle is
equipped with a DEF preheating system when
it leaves the factory. Winter operation is
therefore also guaranteed at ...
