A/C Climate Control on 1990 Mercedes-Benz 300SEL

I have a 1988 Mercedes Benz 300 SEL the A/C Blows Cold but you can not adjust the temperature in the car if you adjust the temperature the A/C blows hot air and you can not get cold air again until you turn the car off for awhile No one can figure out what the problem is!? The same thing happens if you turn the fan on low also

by in Thonotosassa, FL on September 26, 2009
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1 answer 1 comment
ANSWER by , September 26, 2009
AC control Module
COMMENT by , June 23, 2010
how long will it take too put n a ac cotrol assembly n a 1988 300sel and about how much.