Mercedes-Benz 500 SEC Operator's Manual page 22

Air Outlets
1 Air volume control for left air
outlet, turn left to open
2 Air volume control for left center
air outlet, turn left to open
3 Air volume control. for right center
air outlet, turn left to open
4 Air volume control for right air
outlet, turn left to open
5 Left center air outlet, adjustable
6 Right center air outlet, adjustable
7 Side air outlet, left and right,
adjustable
Push-buttons for center air
Outlets
8 Heated air supply (red indicator)
9 Non-heated/cooled air supply
(blue indicator)
Basic mode:
None of the push-buttons (8 or 9)
is pressed.
Note:
Dust particles (down to a certain size)
and pollen are filtered out before
outside air enters the passenger
compartment through the air
distribution system.
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