560SL V8-56L 1989 Ventilation Switch: Description and Operation
Ventilation Switch: Description and Operation
Fresh Air/Recirculating Air Switch [S24]
After switching on the ignition, the Fresh Air/Recirculating Air Switch (S24) can be engaged for 80% recirculating air. The change back to fresh air is
made when the switch (S24) or the ignition is switched off.