Fuel Tank Leak
#1
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Hi Everyone,
I have a W221 S450 2008. Unfortunately, I have an underneath fuel tank leaking bubble. The new part is way too expensive. I got second-hand one from S550. I am not sure about the fitment. PN#A2214704301.
Thank you for your help as this is a burden to remove and reinstall ":-((
I have a W221 S450 2008. Unfortunately, I have an underneath fuel tank leaking bubble. The new part is way too expensive. I got second-hand one from S550. I am not sure about the fitment. PN#A2214704301.
Thank you for your help as this is a burden to remove and reinstall ":-((
#2
Member
Fedley,
Very sorry to hear this. Are you sure it is the fuel tank?
i just fixe a leak in my W221 fuel tank... but wasn't the tank, it was the fuel filter. Very common problem and easy to fix.
Very sorry to hear this. Are you sure it is the fuel tank?
i just fixe a leak in my W221 fuel tank... but wasn't the tank, it was the fuel filter. Very common problem and easy to fix.
#3
Newbie
Thread Starter
Thanks buddy, it's the tank for sure, from the left corner underneath. It is swallen and dripping.
#4
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If, in fact, tank needs replacement 221.084 Canadian fuel tank is part # is 2214709101 want confirmation provide VIN.
2214704301 is not compatible:
![](https://cimg1.ibsrv.net/gimg/www.mbworld.org-vbulletin/575x580/capture2_eef2e9eb6932bfb69a9f746128cc6ba965ac71cb.jpg)
2214704301 is not compatible:
![](https://cimg8.ibsrv.net/gimg/www.mbworld.org-vbulletin/951x403/capture_9d13aa7a5ec4b0fcf776f51d2907171326bf1b02.jpg)
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Fedhely (10-01-2021)
#5
Member
Might want to add, Xentry actually has a fuel tank leak test. Found it earlier today while looking at other issues.
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Fedhely (10-01-2021)
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Fedhely (10-01-2021)
#7
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Thread Starter
Thanks konigstiger, MikeKerr7, and The Thomas J.
I do think it is compatible even though the catalog doesn't show it. if anyone has a reliable EPIC, please just confirm the updated part number. I found an online one that shows the same part number for almost all W221 variants. http://mbepc.net/en/1/fg/s/63w/22108.../015#gsc.tab=0.
My vehicle is 221.084
I want to make sure if anyone can agree with it please because the part is costly!. By the way, The Thomas J., I have already done the fix today by using a fuel tank potty, but I don't think it will last because there is more than one spot likely to leak due to the salty roads in winter.
I do think it is compatible even though the catalog doesn't show it. if anyone has a reliable EPIC, please just confirm the updated part number. I found an online one that shows the same part number for almost all W221 variants. http://mbepc.net/en/1/fg/s/63w/22108.../015#gsc.tab=0.
My vehicle is 221.084
I want to make sure if anyone can agree with it please because the part is costly!. By the way, The Thomas J., I have already done the fix today by using a fuel tank potty, but I don't think it will last because there is more than one spot likely to leak due to the salty roads in winter.
Last edited by Fedhely; 10-01-2021 at 11:34 PM. Reason: adding more information
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The Thomas J (10-03-2021)
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#8
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I didn’t see in EPC the target part number for vehicle 221.084
Please post your VIN
Target part number validity:
Please post your VIN
Target part number validity:
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#10
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