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2002 Mercedes-Benz ML320

Question: Why does my ac blow out hot air, even when the ac is off?

Question

Lizarder, Jacksonville, FL, April 19, 2011, 11:19
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 Rookie

Sometimes it blows out cold air, but only on low speed.

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  • Answer #1

    overbys from Overbys Inc, April 19, 2011, 12:25
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     Master

    you will need a good MB specialty shop (like Overby's) to
    check the system for diagnostic codes.

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