NLOWING HEAT on 1998 Mercedes-Benz ML320

It blows heat when ac is on or off,take note even the ac is off ac prion is full.

by in Anaheim, CA on June 09, 2009
3 answers
ANSWER by , June 25, 2009
It blows heat when A/C is on.
ANSWER by , June 21, 2010
climate control is broken , alot ml320 has this problem
ANSWER by , July 22, 2010
evaporator temperature sensor needs to be replaced