SLK 230 (170.447) L4-2.3L SC (111.973) (2000)
Air Register: Description and Operation
Defroster Nozzles
The two windshield defroster nozzles and the side window defroster nozzles serve for ventilation and keeping the windshield and side windows from
fogging up.
The air supply to the defroster nozzles can be closed and opened with the pushbutton control module.
The side window defroster nozzles can be turned. The windshield defroster nozzles are not separately adjustable. Tempered air exits from the defroster
nozzles.