C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Rotted rear subframe

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Old 08-20-2023, 09:03 PM
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W204 2010 C300 4matic Sport M272
Now i'm thinking my subframe is ok after seeing others photos. My spring control arms and stop plates looked rusted so i bought replacements I havent yet installed. I cant believe the photo above where it looks like the metal is worn where it sits on the rubber pads of the stop plate, how does it get indented from rubber?






Noticed this when I was replacing the rear springs. I wired brushed off the rust and sprayed with harbor Freight grill and chassis epoxy paint. Bought a used set off ebay cheap from Cali salvage yards which look almost new.





Now looking at this photo i took last year frame looks fine where sitting on the stop plate, not worn like in the photo above.

Guess I lucked out. Wonder if it has to do with where certain subframes were manufactured.






Whenever I work on the car i take tons of photos so i can look at them on the computer screen and zoom in to see if i can find anything.

Old 08-29-2023, 03:39 PM
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Great news, just received a metter from MB
it is now covered under warranty in Canada!


Last edited by Logi77; 08-29-2023 at 03:42 PM.
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Old 08-30-2023, 02:27 AM
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C Class estate 2012, CLA 250 wagon 2018
Have just got rid of my much loved W204 C200 Estate 2012. Discovered dreaded rear subframe rot, rust. Months of emails back and forth to Mercedes Customer Care at Head Office Australia. They are acting as if they are unfamiliar with this problem. I read with interest news of Warranty Extension in USA, Canada, UK, Europe and class action in USA. Meanwhile here in Australia NOTHING. Response from Mercedes Head Office, dealer, Mercedes body shop really disgraceful. I'm going back to BMW.
Old 08-30-2023, 11:41 AM
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W204 2010 C300 4matic Sport M272
Anyone know if theres a way to register your car with Mercedes online, or have an updated address for customer service? I filled out and mailed one of the cards that comes with the operators manual informing Mercedes i bought the car but havent heard anything back at all. Searching online im not coming up with anything.


Old 08-30-2023, 12:40 PM
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2015 SL400 (M276 Turbo), 2014 C350 Sport (M276 NA), 2004 SL500 (M113), 2004 Audi TT225 (BEA)
www.mbusa.com

Click on My Account and then Register.



You then will need to set up a Mercedes Me account. https://www.me.mercedes-benz.com/

From there, you should be able to register your car using its VIN.

I know it's a pain in the ***, but you only have to do it once (until they make a change and you have to do it agian).



Last edited by JettaRed; 08-30-2023 at 12:57 PM.
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Old 08-30-2023, 12:59 PM
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If that fails, try calling the dealership or 1-800-367-6372.
Old 09-14-2023, 07:41 AM
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Originally Posted by eacaee
Had it done in UK for free.
hi eacaee , i am also in the UK can you share the procedure to get it done free of charge as it would not only help me out but also others in the UK in the same situation. Kind regards
Old 09-14-2023, 07:46 AM
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The whole effort to force Mercedes to fix this originated in the UK. Have you contacted a Mercedes dealership? This is no longer a mystery.
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Old 09-14-2023, 07:55 AM
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This may help for folks in the UK.

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Old 09-14-2023, 08:57 AM
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Originally Posted by P26Official
hi eacaee , i am also in the UK can you share the procedure to get it done free of charge as it would not only help me out but also others in the UK in the same situation. Kind regards
For me I told them it's failed an MOT and the garage told me it's covered by warranty and to contact them as its a part that should not be rusting like it is. They said they deal with it on a case by case basis and wanted the reg and vin to check with someone and theyd get back to me, called me back saying its been accepted.

I'm at the next problem with them, this was nearly 4 weeks ago now and the part is 'still on order' when I rang them today. I asked for written confirmation that its been accepted ect. cause they may just be fobbing me off and decided to start recording the phone calls. They refuse to give an ETA and its kind of frustrating now, if it takes much longer I'm going to have to just buy a new car and sell this whenever they decide to do it.

Do we have any legal grounds or maybe even the motor ombudsman can mediate this? Its bizarre that a fault this big across a selection of models over a decade hasn't been recalled - I'm guessing this is why they're doing it 'case by case' to not cost them millions in recalls and only deal with the people who contact them?
Old 09-14-2023, 09:02 AM
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please see my post relating to this issue.
https://mbworld.org/forums/mercedes-...-findings.html

Did you have issues with your brake lines too?
Old 09-14-2023, 11:48 AM
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W204 c200
Apparently they only cover rust with perforated wholes? I assume this qualifies...



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