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:
Adjusting the steering wheel manually
elease lever
To adjust the steering wheel height
To adjust the steering wheel position (fore-and-aft adjustment)
Push release lever 1 down completely. The steering column is unlocked.
...
Dialing a number from the phone book
If your mobile phone is able to receive calls,
you can search for and dial a number from the
phone book in COMAND at any time.
– Press the or
button on the
steering wheel to select the Tel m ...
Windshield/headlamp cleaning system
WARNING
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/antifreeze on hot engine parts, because
it may
ignite and burn. You could be seriously
burned.
Use MB Sum ...
