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:
Notes on the oil level
WARNING
Hybrid vehicles: ensure that you read the
"HYBRID" supplement. You may otherwise fail
to recognize dangers.
Depending on the driving style, the vehicle
consumes up to 0.9 U ...
Seat belt
Display messages
Possible causes/consequences and Solutions
After starting
the engine, the red seat belt warning lamp lights up for six seconds.
The seat belt warning lam ...
Cleaning the steering wheel and gear orselector lever
► Thoroughly wipe with a damp cloth or
use
leather care agents that have been
recommended and approved by Mercedes-
Benz. ...
