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Mot fail 2014 E-Class W212 brake pipes

Discussion in 'Suspension, Steering & Brakes' started by Beemer2, Sep 15, 2020.

  1. Blobcat

    Blobcat Moderator

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    A lot of garages farm their MOT tests out. I used Mercedes because they’d do it for £30 and give it a wash as well.
     
  2. 00slk

    00slk Senior Member

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    Car machine wash or hand wash? :p
     
  3. Blobcat

    Blobcat Moderator

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    Machine wash, not keen on a hand job...:rolleyes:
     
    Craiglxviii likes this.
  4. ajlsl600

    ajlsl600 Senior Member

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    clk3202001,sl6002003 with everything regrettably sold ,A class 170cdi auto. NG/TF1800 ML250
    These days it pays to check everything.
     
  5. joderest

    joderest Senior Member

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    Yes, was unaware of new rule.
    I suspect your Mercedes garage were looking forward to taking £400 + off you to replace brake lines. In the past I have had advisories on MOT the brake lines corroded, my tester always said to clean them up and re paint them, which I always did. Only ever replaced one on our old Discovery TD5.
    Well done for seeking a 2nd opinion.
     
  6. malcolm210

    malcolm210 Senior Member

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    Pleased you’ve resolved the problem goodness knows how many brake lines have been replaced due to a light coat of rust providing you can see all the brake line and treat it not a problem.

    Some useful information on rigid brake pipes here:

    https://www.motester.co.uk/mot-test-of-brakes/
     
  7. Craiglxviii

    Craiglxviii Senior Member

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    With all those grubby microfibre cloths and those big nasty containers of unchanged wash solution used across the day...
     
  8. Jason63

    Jason63 Active Member

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    My 2014 C63 had a full MB service history. Before my MoT this year I checked the car over and found my rear brake lines were corroded. It was just the one line across the rear of the car; the rest were fine. I'm disappointed a B service six months before at MB didn't pick up on the problem.

    It's incredibly difficult to assess how bad the corrosion is and sometimes it can look bad. The wall thickness is quite decent so often they can be rubbed down and painted anyway I wasn't prepared to take the risk. Here's what they looked like:

    IMG_20200519_115011.jpg IMG_20200519_115043.jpg
     
    anyweb likes this.
  9. Blobcat

    Blobcat Moderator

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    Don't forget the 38% hypochlorite... Does a great job on the wheels...:rolleyes:
     
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  10. Jason63

    Jason63 Active Member

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    And here's what the worst bit was like when I replaced it! Not ideal. Not impressed with MB, the car had even had two B services in a row prior to this.

    IMG_20200519_162326.jpg
     
  11. malcolm210

    malcolm210 Senior Member

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    Not good is it cost cutting at it’s worst the grade of metal used on 14 plate cars must be suspect I’d certainly have a good look underneath if I owned one but not always easy with all the plastic underbody covers used nowadays
     
  12. Altamar

    Altamar Senior Member

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    I am glad it's sorted for you now but the key question for me would have been "dear MB dealer, why did you tell me all was well (including the brakes as evidenced by the video) and then not challenge the fact it failed the MOT hours later? One of you must be wrong and I am not sure why it is down to me to decide which."
     
  13. Rory

    Rory Senior Member

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    The Inchcape owned dealer I used to use had a 'guarantee' it would pass next MOT - forget if it was £500 or £750. Car used to get a remarkably clean bill of health.
     
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  14. matthew k

    matthew k Senior Member

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    That's shocking on a 6 year old car!! Well, it is to me. The scary thing is lot's of the pipes on mine are hidden by plastic, I'm a bit frightened to probe further now, mines 15 years old!!!
     
  15. Kev555

    Kev555 Senior Member

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    powder or plastic coated cheapest untreated steel they can find for brake pipes nowadays
     
  16. Kev555

    Kev555 Senior Member

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    Dont worry once they start to go they blow the plastic or powder coating off to make room for the rust:D
     
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  17. matthew k

    matthew k Senior Member

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    I meant the plastic panelling, but yeah, shocking. 6 years, SMH. I'm just scared what's lurking under the car now!!!!! On the flip side, you've got an AMG to cheer you up!!! Nice car
     

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