Quote:
Originally Posted by Rahray
Yes, from a1991 500sl gray market imported from Italy. Not air circulation as that switch is with the climate control.
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So you don't understand the climate control system, which has a switch to close the flap that allows outside air into the car. Air recirculates inside which allows more effective cooling and heating.
The indicator light and the recirculation setting stays active for 30 minutes, then shuts off allowing exterior air in.
Read the owner's manual.