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:
Safety guidelines for seat belts,
Emergency Tensioning Devices (ETDs)
and air bags
WARNING
- Damaged seat belts or seat belts that have
been subjected to stress in an accident
must be replaced. Their anchoring points
must also be checked. Only use seat belts
installed or s ...
Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use leather care agents that have
been recommended and approved by Mercedes- Benz.
...
Additives in gasoline
One of the main problems of poor fuel quality is the forming
of deposits that are caused during the gasoline combustion process. Mercedes-Benz
recommends that you use fuel brands that have the add ...
