My heat does not blow hot? Why on 1995 Mercedes-Benz S500

The blower blows cold air; It blows well; but it will not blow hot. I push defrost; its cold, recycle air button, still cold?

by in Indianapolis, IN on February 15, 2013
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2 answers
ANSWER by , February 15, 2013
poss thermostat stuck open or vent door issues
ANSWER by , February 18, 2013
Check your coolant level too!