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Thread: Centre vents blow only in EC mode

  1. #1
    Junior Member
    Join Date
    Nov 2016
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    3

    Centre vents blow only in EC mode

    Hi

    We're having an issue with the centre air vents on my dad's C180. When EC is switched off, there's no/hardly any air coming out from the centre vents - but strong air comes from the side vents. We've tried all air speeds and positions. With EC switched on, air comes out fine from the centre vents as well. Does anyone know why this might be the case? Could a fuse be blown or something simple?

    Any help appreciated.

  2. #2
    Moderator
    Join Date
    May 2003
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    4,927
    check the duo valve it sticks
    BAN HIS ASS!!
    744 C36 AMG- carlsson
    040 C43- way to many modifications
    744 CLK55- even more mods
    CLS55 IWC edition
    744 CLK500 Rocket Bunny widebody

  3. #3
    Junior Member
    Join Date
    Nov 2016
    Posts
    1
    where is this valve and how can i check it? thanks in advnace..

    m

  4. #4
    Member
    Join Date
    Sep 2014
    Location
    Surrey BC, Canada
    Posts
    66
    Here's avideo on the heater valve: https://youtu.be/C37Q6Ba80Y4
    1995 C280 charcoal metallic

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