Question about 1999 Mercedes-Benz E-Class

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I have 2003 E500 Mercedes. A/C upfront is cold , but on the back the hot air is coming out. What should I do?

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Hi...
this may be because of following reasons.

1.the refrigirant is undercharged. that is the quantity of refrigirant is less. so please charge with more refrigirant
2.there may be some blockage in the duct reaching the back side.but this is in very little chance of this cause.
3.may be small hole in the duct reaching back side.

if you feel my anwers helped you please rate me.

Posted on Jul 12, 2010

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