Electrical schematic for W116 300SD - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 05-11-2009, 09:15 PM Thread Starter
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Date registered: May 2009
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Post Electrical schematic for W116 300SD

Hi all!

I am looking for an electrical schematic for the heating/AC system for my newly acquired 1979 300SD.

I have a friend who wants to see if he can help me rebuild the unit that controls the air and heat temperature. I am not sure what the thing is called but I have an extra one that the previous owner gave me when I bought the car.

On one of the units only the AC works.
On the other unit only the heat works!

So I will swap them this winter if I don't get them repaired by then.

Any help would be appreciated.

Thanks to all!
sonnyboy1943 is offline  
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post #2 of 2 (permalink) Old 08-11-2009, 10:42 AM
leapyfish is offline  
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