1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

W204 2008 rear subframe failure!

Discussion in 'Suspension, Steering & Brakes' started by syncman, Nov 22, 2017.

  1. Oldspanners

    Oldspanners Senior Member

    Messages:
    620
    Likes Received:
    421
    Joined:
    Oct 30, 2017
    Location:
    Normandy
    Your Mercedes:
    C CLASS 2004 C180
    It's a failure of quality control otherwise virtually every UK C class ever driven on UK roads would have the same problem.
    Mercedes used to have a publicity blurb something like Quality doesn't cost you, it pays you. In this case it would certainly pay them if anyone with this fault would "just suck it up and pay."
     
    Wighty and Jim2 like this.
  2. Cole@MBS

    Cole@MBS Forum Supporter Authorised Forum Supporter

    Messages:
    13,490
    Likes Received:
    496
    Joined:
    Dec 1, 2008
    Location:
    Hedge End, Southampton
    Your Mercedes:
    124 300 CE 24 Coupe, 209 240 CLK
    I did three of these last week, Wednesday Thursday and Friday along with meters of brake pipes, seems to be my main job now days!!
     
    Terrykal, om613, Jim2 and 3 others like this.
  3. JBell

    JBell Senior Member

    Messages:
    10,319
    Likes Received:
    2,429
    Joined:
    Dec 9, 2011
    Location:
    Torquey
    Your Mercedes:
    C350 CDi Estate (GAD Edition)
    Do you use OEM brake pipes of make them yourself?
     
    Jim2 likes this.
  4. poodros

    poodros New Member

    Messages:
    5
    Likes Received:
    13
    Joined:
    Sep 2, 2019
    Your Mercedes:
    c220 W204
    An update for ya, My Local MB dealer has agreed to replace the subframe on goodwill at no cost to us.

    To be honest, we didn’t even have to fight for it, they obviously know they’re in the wrong.

    A premium brand ‘approved used’ vehicle corroding to the point of un-roadworthyness in just 7 years and 50K miles…. its just not right is it.

    Im making sure I get a record of the replacement date and mileage incase it happens again in a few years….

    The service manager did mention they’d had another 2 or 3 in with the same issue, also repaired on goodwill over his 7 years with the dealership….. wether thats per week, per month, per year, who knows …... hahaha
     
    Terrykal, Jim2, daibevan and 3 others like this.
  5. daibevan

    daibevan Senior Member

    Messages:
    1,001
    Likes Received:
    549
    Joined:
    Sep 29, 2015
    Location:
    Plymouth
    Your Mercedes:
    W203 C200 Kompressor Elegance SE 2006
    Great result
     
    Jim2 likes this.
  6. davemercedes

    davemercedes Senior Member

    Messages:
    2,809
    Likes Received:
    798
    Joined:
    Jun 15, 2012
    Location:
    Worcs
    Your Mercedes:
    2007 Merc 220 CDi Est Auto Av
    Well done poodros the sun must have shone on you this week!
     
    Jim2 likes this.
  7. malcolm210

    malcolm210 Senior Member

    Messages:
    3,490
    Likes Received:
    557
    Joined:
    Aug 21, 2005
    Very pleased with the outcome for you and totally agree that a 7 year old car on 50k miles shouldn’t suffer from this in fact I wouldn’t expect a 15 year old MB to suffer in this way, as you say no where for the dealer to hide from this one and the red paint fiasco and to their credit MB have put their hand up and agreed
     
    Jim2 likes this.
  8. Trev1964

    Trev1964 Senior Member

    Messages:
    257
    Likes Received:
    52
    Joined:
    Jan 26, 2017
    Location:
    Oldham
    Your Mercedes:
    Slk 2006 350
    Was under my car on a ramp yesterday while it was having a full set of brakes fitted.
    Its a 9.5 year old CLC with 54k miles on it. Car is mint everywhere, including underneath. Mechanic expressed surprise at how clean it is. No corrosion anywhere, including the exhaust. Really lovely under there.
    With one exception...
    Rear subframe has started to go. Its not bad yet, will wire brush the corrosion and treat it with rust remedy and then paint it. They really have cut corners with the material used for the subframe. For it to be mint everywhere else but the subframe.
     
    Terrykal, Wighty and Jim2 like this.
  9. davemercedes

    davemercedes Senior Member

    Messages:
    2,809
    Likes Received:
    798
    Joined:
    Jun 15, 2012
    Location:
    Worcs
    Your Mercedes:
    2007 Merc 220 CDi Est Auto Av
    Given the success poodros had at his MB dealer, I think you should try the same thing. ASAP when I get the chance I'd better take a look at mine (2007 C Estate S203) as well...
     
    Wighty and Jim2 like this.
  10. Bay City Roller

    Bay City Roller New Member

    Messages:
    6
    Likes Received:
    1
    Joined:
    Oct 5, 2019
    Your Mercedes:
    C180K Coupe, 2005,
    New member and first time MB owner.
    Recently purchased a 2005 C180K coupe from a friend, no reason to believe there would be any issues.
    Put it in for an early mot to make sure all was well - rear subframe rotten next to the petrol tank.
    Bizarrely, the rest of the underside is great, it's even got the original exhaust, still nice and silvery with no sign of rust. To me, if the rest of the underside is good, it suggests that there's either a design issue allowing water/salt etc to pool, or there's a quality issue with the steel used. To be honest, if it's still got the original exhaust which is spotless, I'm leaning towards substandard quality.
    Luckily, local mechanic managed to source complete subframe and ancillaries from a breaker, so hasn't been the disaster that it could have been, but disappointing first 3 weeks of ownership.
     
  11. grober

    grober Senior Member

    Messages:
    2,930
    Likes Received:
    19
    Joined:
    May 15, 2002
    Location:
    Scotland
    Your Mercedes:
    W204 C200cdi estate
    IIRC the rear subframes are fabricated from hollow box section steel. They are not sealed and have open ends allowing water ingress. They may have been dipped in some coating prior to surface painting but does leave the prospect of badly protected interior surfaces lying in water traps to rust from the inside rather than the outside. :(
     
  12. davemercedes

    davemercedes Senior Member

    Messages:
    2,809
    Likes Received:
    798
    Joined:
    Jun 15, 2012
    Location:
    Worcs
    Your Mercedes:
    2007 Merc 220 CDi Est Auto Av
    OMG Sorry to hear about this poodros... Frankly it gives me the willies... my C Class (S203 Estate) is an 07 car and it's had to stand on the drive since I bought it... I've taken it from 62K in 2013 to 101K today and always felt a bit smug at the way it handles etc. But arthritis prevents me crawling around to look at things underneath so I'll have to ask my garage guys to check it particularly well this time - it's going in for it's 13-month MOT date next week.

    I suppose, if there is no evidence of severe corrosion, I can get them to apply waxoyl or similar?
     
    Wighty likes this.
  13. Wighty

    Wighty Senior Member

    Messages:
    6,798
    Likes Received:
    3,904
    Joined:
    Aug 4, 2016
    Location:
    Sunny Essex
    Your Mercedes:
    W211/E320cdi/2009 and CLK200k 2009
    Absolutely , I used Dinitrol , and have used waxoyl in the past . Ask your garage advice on what he might recommend ? Maybe also buy some ACF50 and get him to spray other exposed brake pipes whilst it's up in the air ?
    I must admit , next car I get I'm going to get underneath it from day 1 and spray everything with the appropriate "gunk" to try and preserve things from the start .
    Another easy worthwhile job is to clean the inside lip of the wheel arches yearly with a hose and small brush . Doing this after a wet drive means the muck comes free a lot easier
     
    DSK and Terrykal like this.
  14. Shash21

    Shash21 New Registration

    Messages:
    1
    Likes Received:
    0
    Joined:
    Oct 8, 2019
    Your Mercedes:
    CLK 200 Convertible 2000
    Hello Merc People,

    My lovely parents were shocked to discover a cracked rear subframe and rusted brake lines on their 2010 E-class, to the degree that the NCT (MOT) deemed it too dangerous to be on the road. It seems from the posts here and on other forums that their experience isn't as rare as they had initially thought, which is pretty frightening. How many people are unwittingly driving dangerous cars that could cause a catastrophic accident at any time?

    Has anyone asked Mercedes why this fault - and it is a fault - hasn't been highlighted to owners with a fix offered FOC before there is a death? My Dad had intended taking a long journey which would have included bad, bumpy road conditions last week but decided against it due to bad weather. What would have happened if the rear subframe had come apart? It wouldn't have been a good outcome, for sure.

    I'm really interested to know if anyone has asked Mercedes to take responsibility for this fault at a corporate level and alert drivers to the potential danger.
     
  15. grober

    grober Senior Member

    Messages:
    2,930
    Likes Received:
    19
    Joined:
    May 15, 2002
    Location:
    Scotland
    Your Mercedes:
    W204 C200cdi estate
    Unfortunately in the UK we don't have recourse to a class action claim whereby one succcessfull claim for recompense is used as a basis in law for recompense in many similar cases thus avoiding the repeated individual legal costs necessary in each claim in the UK. This means manufacturers in the US are far more "generous " in their attitude to the recall of potentially defective products.
    https://en.wikipedia.org/wiki/Class_action#England
     
  16. umblecumbuz

    umblecumbuz Senior Member

    Messages:
    3,816
    Likes Received:
    1,156
    Joined:
    Sep 20, 2010
    Location:
    Wales and Gozo
    Your Mercedes:
    S204 and CLC 204 cdi, other non-Merc machines
    It seems that the subframe rusts from the inside. Any treatment, such as Waxoyl, needs to be directed inside as well as externally on the subframe - otherwise you're just 'painting the funnels'.

    With regard to the 'class action' comment, I always thought that involved a group of people collectively taking the same legal recourse - usually fronted by one nominated individual. I didn't realise it involved a single individual setting a precedent first, which was then later mimicked by others. Two very different approaches. I'm not sure that Graeme's take on this is accurate, unless I'm misreading the post.
     
    Last edited: Oct 9, 2019
    DSK likes this.
  17. Wighty

    Wighty Senior Member

    Messages:
    6,798
    Likes Received:
    3,904
    Joined:
    Aug 4, 2016
    Location:
    Sunny Essex
    Your Mercedes:
    W211/E320cdi/2009 and CLK200k 2009
    I have a 2009 CLK and E class , only the CLK seems to have rust on the rear subframe , the E class seems to be made of a different alloy type metal rather than steel ?
    Brake pipes that are hidden and exposed to road salt do seem to suffer though
     
  18. grober

    grober Senior Member

    Messages:
    2,930
    Likes Received:
    19
    Joined:
    May 15, 2002
    Location:
    Scotland
    Your Mercedes:
    W204 C200cdi estate
    I may not have got the precise details correct.:oops: Perhaps this may help
    https://law.freeadvice.com/litigation/class_actions/class-action-lawsuit.htm
     
    Last edited: Oct 9, 2019

Share This Page