no aux fans, \'99 500sl

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no aux fans, '99 500sl

09-08-2008, 10:58 AM

pryner

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Join Date: Jul 2008

Posts: 12

no aux fans, '99 500sl

Last week the AC on our '99 500sl stopped working when the car was at low speed and at idle. No codes on the AC system. With help from a MB list, narrowed it down to the aux fans not coming on as the probable cause. Can anyone help troubleshooting why they won't work? The aux fan fuse is good. I assume there is a pressure or temp switch that is not working, a broken wire, and I've read about a rheostat on some MBs, but don't know what to look for or where in the engine bay. Any help is appreciated.
Pete

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