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I've got a leak somewhere on roof - i think.

Discussion in 'Bodywork, Tyres, Wheels & Trim' started by PINBALL, Feb 13, 2019.

  1. PINBALL

    PINBALL Senior Member

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    Your Mercedes:
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    My E320 W210 Estate has had a leak in odd place namely the central courtesy lamps cluster just above rear view mirror.

    It only occurs when stationary and parked on slope with back higher than front, then when driving off it drips all over auto gear lever area.

    Won't leak on the move even in windy heavy rain conditions!

    Any ideas please?
     
  2. Blobcat

    Blobcat Moderator

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    Do you have a sunroof?

    If so open it clean the drains and clean all the metal work that leads to the drains and polish it so the water doesn’t hang around.
     
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  3. ajlsl600

    ajlsl600 Senior Member

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    1st reply about right i think,unless no sunroof, in which case ,the mind boggles .....
     
  4. Blobcat

    Blobcat Moderator

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    It's a 210 so the roof might have rusted through... :-(
     
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  5. Wighty

    Wighty Senior Member

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    From the aerial shark fin at the back of the roof , if you have one ? Or top of the windscreen ?
     
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  6. ajlsl600

    ajlsl600 Senior Member

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    think op says runs down near rvm?
     
  7. Wighty

    Wighty Senior Member

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    I know , but the water must get in somewhere , even if the appearance of it is slightly delayed as the water travel before it drips out . Just suggesting things to check
     
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  8. Wighty

    Wighty Senior Member

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    Does the screen wash supply for the rear wash wipe reservoir run through the roof area ?
     
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  9. OP
    PINBALL

    PINBALL Senior Member

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    Thanks for quick answers everyone.

    No sun roof or shark fin at rear, putting it down to maybe leading edge of rubber strip that holds windscreen maybe.

    Or thanks Wighty for suggestion that rear w / washer tube could be the problem.
     
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  10. Blobcat

    Blobcat Moderator

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    Has it ever had a new windscreen? Thinking the bonding hour might not be 100%

    Alternatively I remember when Mercedes did some rust repairs on mine they glued the rubbers to the doors to stop water getting behind them and rusting the metal out. Just wondering if water has got behind the windscreen rubber and done it’s worst...

    If you can peel it back at all and take a look, also if you can get a rag or something behind the seal you can tell if it’s wet or comes out reddish...
     
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  11. ajlsl600

    ajlsl600 Senior Member

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    a bit of a mystery ..windscreen has to be prime suspect .. just read op 1st post it comes in when back higher than front !! and not when on the move. might look a mess ,but get some w/proof tape ,duct will do,tape along top of front screen to roof and 6 inch down sides ,see how that works out for a while
     
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  12. OP
    PINBALL

    PINBALL Senior Member

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    Great suggestions Blobcat, had car since 2015, and know previous owner had said he'd had a stone chip repaired on wndscreen, plus towing his caravan to south of france every year for the 10 years he had it.

    The leak 1st appeared 2 years ago starting teaspoonful & now more like a tablespoonful that takes around 5 miles to drain out when going round bends.
     
  13. Wighty

    Wighty Senior Member

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    If it's an estate , any roof rails/strips that hide issues below them
     
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  14. Frontstep

    Frontstep Senior Member

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    Another one for rust or screen.
     
  15. OP
    PINBALL

    PINBALL Senior Member

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    Great suggestion - many thanks.

    Meant to answer sooner but this website went off wed 13th evening, and pages or answers were unavailable.
     
  16. OP
    PINBALL

    PINBALL Senior Member

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    Only black side roof bars lower than central roof height, so will try some tape across top windscreen rubber & 6" down sides as suggested - thanks.

    If that fails then closer look at roof bars is next.
     
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  17. Flyinspanner

    Flyinspanner Senior Member

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    Comma used to make a fluid called ‘Seek n seal’ great for windscreen seals, it worked by capillary action, was in a tin a bit like the old 3in1 oil tins. - worked a treat on my Scimitar.
     
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  18. Flyinspanner

    Flyinspanner Senior Member

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  19. LostKiwi

    LostKiwi Senior Member

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    I've used Captain Tolley's creeping crack sealant (seriously that's its name) successfully in the past .
     
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  20. ajlsl600

    ajlsl600 Senior Member

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    ah,roof gutters,good chance they feed screen leak ,no?
     

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