Question about 1994 Mercedes-Benz C-Class

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When ac button is pressed blows warm and when center air button is pressed cold air air blows and left and right ducts blow hot.temp control doesn't work recirc door doesn't open, sterio has been changed still utilizes stock speakers and amp.

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Take out the glovebox and take a peek yourself first. Maybe it could be a simple ducting problem or electrical problem.

Also check your heater if it is working properly (when the engine is hot, of course). Check if all the vents blow the same temp of air.

Posted on Jul 30, 2009

  • virtualhost
    virtualhost Jul 30, 2009

    If your vent has come loose. Someone will have to take of your dash and
    put it back together. Since it does blow, that is probably not the
    problem.

    Most likely, the buttons are stuck on warmer. Up by the
    passenger side above the glove box, there is buttons that say
    warmer/colder. Either those are out, or the fuse needs to be changed in
    them. There are two fuse boxes on the park avenues, one is where they
    normally are under the drivers side dash , and the other is under the
    glove box. check your owners manual, it will tell you where the fuses
    are for those particular buttons.

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