buzzing w202 roof

Discussion in 'Interior' started by alramone, Nov 30, 2008.

  1. alramone

    alramone New Member

    Messages:
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    Nov 26, 2008
    just got myself a 96 w202 and have a real strange buzzing noise coming from the roof where the rear view mirror is. does stop after a while but i have no idea what it is? anybody?:confused:
     
  2. Dieselman

    Dieselman Banned

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    34,206
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    Jul 13, 2003
    Car:
    Peugeot 403 Convertible
    The fan for the interior temperature sensor.
     
  3. stevesey

    stevesey Hardcore MB Enthusiast

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    Sep 3, 2007
    Location:
    Bristol
    Car:
    Alfa 156 1.8TS
    As DM says - mine buzzes a couple of times a year, a quick tap and it stops.
     
  4. Shude

    Shude MB Club Veteran

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    Location:
    Cheshire
    Car:
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    It's probably the temperature "sniffer" fan in the dome light. If it only buzzes when the dome lights dim then it's an interior bulb not correctly seated within the clips.
     
  5. OP
    OP
    alramone

    alramone New Member

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    13
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    Nov 26, 2008
    ah thought it might have been somthing to do with the heating. it does not stop when tapped so i guess i'll have to take it apart and see if i can replace it. thanks for your help
     
  6. reflexboy

    reflexboy Hardcore MB Enthusiast

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    Feb 23, 2005
    Location:
    Surrey, UK
    Car:
    E350 CDi Sport&SLK250CDi AMG Sport
    Mine does the same but stops when the car warms up. I only discovered the fan's tiny motor by being my inquisitive self:D and taking it to bits.
     
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