1981 DS air conditioning upgrade - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 08-16-2011, 06:49 PM Thread Starter
BenzWorld Newbie
Date registered: Aug 2011
Vehicle: 1981 300DS Mercedes diesel
Location: Aromas, California
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(Thread Starter)
1981 300SD Turbodiesel air conditioning upgrade

I drive a very good condition 1981 300SD Turbodiesel however lately the air con has stopped working. It does not cool or heat. I have been given conflicting info from mechanics and friends of late! Some have said they need to test the system to find leaks then patch up and refill....many dollars later! Someone said all we needed was new switches because it was not heating OR cooling. The latest view is that the system needs to be upgraded to a new unit. Has anyone else been down this path???

Last edited by warmac; 08-17-2011 at 12:21 PM. Reason: Wrong model number
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