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2006 Mercedes-Benz S350 Question: Why would my heater blow only hot air regardless of temp setting?

 

Question

ritherc, Tacoma, WA, March 28, 2012, 16:53
 Rookie

AC still works on LO setting

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  • Answer #1

    Greg's Orange Auto (13242 Answers) , Orange, CA - (714) 361-9386
    globalhelper March 28, 2012, 17:06
     Master

    possibly an air door actuator that is stuck or broken blend door. u have like 6 or 8 in your car.

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    ritherc, March 28, 2012, 19:43
     Rookie

    thank you for your response is this something i could possibly fix myself od is this a trip to the dealer

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    globalhelper, March 29, 2012, 05:43
     Master

    well 1st you need to determine which ome is bad then depending on location it could be an easy one or a 5hr job. i rec at least spend the $ for a diag then see what they say. these can be difficult to change if its a hard one

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