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:
Body: high energy absorption in the event of a front impact
The extremely robust occupant compartment of the Mercedes-Benz M-Class,
together with the front and rear deformation zones, forms an effective basis for
the occupant protection system. The focus o ...
Service for recovering a stolen vehicle
If your vehicle has been stolen:
•► Notify the police.
The police will issue a numbered incident
report.
•► This number will be forwarded to the
Mercedes-Benz Customer Assistance
...
Tread
The part of the tire that comes into contact
with the road. ...
