1999 c230 komprssor on 1999 Mercedes-Benz C230

this car has heat and ac controls on both sides and can heat one side of cabin and ac on the other side of the cabin at the same . I set both sides for heat the right blows heat and the left side blows ac with both sides for heat only . Is there a blend door that should close or open if so is there simple way to make this door operate This is so all the time.HELP THANK YOU

by in Tucson, AZ on January 17, 2013
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1 answer
ANSWER by , January 17, 2013
yes and no simple way. ck on wwwalldatadiy.com