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Old 03-06-2008, 11:21 PM
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speace speace is offline
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Join Date: Jan 2003
Location: Atlanta, GA
Posts: 371
I am fighting a similar problem with my 2002 S500. It seems that when the AAC (CCU) senses something wrong it locks out the A/C and turns on the AC OFF light. It won't attempt to function again until the code is reset using the diagnostic computer that a dealer or MB shop will have.

You will have to get someone to read the codes, reset it, and go from there...
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02 S500
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92 400E (Sold)
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Last edited by speace; 03-07-2008 at 04:41 PM.
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