Well questions. This is for a 1979 300SD with ACC (functioning)

What switch settings should you have air comming from the center dash vents. all functions are working but I never get air from center dash vents.

I don't yet have a mighty vac but I seem to think its the vacume elements most likely at fault.

are these something you can get out without removing the dash, something I really, really don't want to do.

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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