1974 450 SL AC/Heater Controls - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 09-11-2009, 09:26 AM Thread Starter
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Date registered: Sep 2009
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1974 450 SL AC/Heater Controls

I just purchased a 1974 450SL w/ Air Conditioning on ebay. The owner's manual that came with the car describes a controls panel with automatic temperature control and is different than mine. Mine has a fan knob, a knob for outside or inside air, a red lever and a white lever on the right and the same on the left of the control panel. I need some help on how to operate the heating/ defrost/ A/C. Thanks
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