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My heat just stopped blowing hot air... AC works fine

(2001 Mercedes-Benz CLK430)
in Durham, NC on January 24, 2015
My heat just stopped Working. All it blows is cold air now, what could be wrong?
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Popular Answer
Did you check your antifreeze? Is the temperature gauge going up in the car? Your thermostat may not be working correctly.
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on January 24, 2015
Antifreeze is OK andp car never heated upcar.. normally when I turn the heat on I can hear the antifreeze rush in behind the dashboard but now I Dnt hear that when I turn it on or off..
on March 16, 2015
Check your blower resister it's under glove compartment and don't buy an eBay get mercedes approved I payed $125. mercedes is $250 no Chinese in our cars. It takes less than half hourto change resister also check filters there also in same spot I think.
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