heating problems on 2005 Mercedes-Benz E320

when I turn the heater in my car it only blows cold air

by in Downey, CA on February 08, 2010
2 answers
ANSWER by on February 08, 2010
Here are some possible answers: http://repairpal.com/i-have-no-heat-what-could-be-wrong
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ANSWER by on November 14, 2010
It may sound crazy but what how are you turning the heater on? You'll have to press the AC Off button.
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