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:
Surprising Agility
At 17 feet long, the S550 is obviously a large car, but it doesn't feel the
least bit ponderous from the driver's seat. It's pretty easy to maneuver through
heavy, fast-moving highway traffic and ...
Downshifting
Briefly press the selector lever
to the left towards D–.
or
Pull the left-hand steering wheel
paddle shifter.
The automatic transmission shifts down to the next gear.
If you brake the vehic ...
Correct driver's seat position
Observe the safety guidelines on seat
adjustment
•► Check whether you have adjusted seat =
properly.
Electrical seat adjustment (Y page 100)
When adjusting the seat, make sure:
...
