E-Class (W212) 2010 - 2016: E 350, E 550
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2016 Eclass Rear Bumper Trim & Sensor

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Old Nov 29, 2025 | 11:02 AM
  #1  
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From: Connecticut
E350 Sedan, SLK320, XFire Roadster
2016 Eclass Rear Bumper Trim & Sensor

Need help with removing & installing rear parking sensor on E350 sport bumper.
I am fairly new to this forum and would like to know if there are assembly view look up files for the different years & models? This would be helpful in finding part numbers. I am trying to find out if p/n 2128854321 is the correct part number for the rear bumper trim piece on my 2016 E350 sport sedan.
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Old Nov 29, 2025 | 10:26 PM
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W204 2010 C300 4matic Sport M272
For parts diagrams and part #'s I use this website: https://nemigaparts.com/cat_spares/epc/mercedes/1/

Use your vin to find your submodel.
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Old Nov 29, 2025 | 11:06 PM
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Tim, Your link has problems. Cannot access. Where on coastal MA are you, near the cape?
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Old Nov 29, 2025 | 11:18 PM
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W204 2010 C300 4matic Sport M272
I just clicked the link and its working on my end.

Heres another to the W212 section on there: https://nemigaparts.com/cat_spares/epc/mercedes/1/212/

I am near Boston.
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Old Nov 29, 2025 | 11:20 PM
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W204 2010 C300 4matic Sport M272
Whats your vin? I'll look up the bumper diagrams.
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Old Nov 30, 2025 | 10:11 AM
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My system doesn't like the link you sent, has lots of popups and locks up.
My vin is WDDHF8JB3GB250594
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Old Nov 30, 2025 | 10:48 AM
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W204 2010 C300 4matic Sport M272
You have the 212.088

Parts diagrams shows two bumpers and not sure which one you have. It doesnt list 803 or 804 on your build sheet.

Which specific parts are you looking for? I looked up the part# you listed and do not see it on the parts diagrams, there are different part #'s. Part 150?









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Old Nov 30, 2025 | 11:12 AM
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I have the sport model which looks like the 2nd assembly diagram. Item 170 looks like the part I am looking for. It's a single chrome/plastic trim piece that goes across the rear lower bumper. If you can find item 170 P/N that is probably going to be what I am looking for. I wish I could access this file. Do I have to access the download option? I am always fearful of using them as it usually ends up getting more garbage on the system.
The view of the sensor is great. This will help to replace it.
Thanks
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Old Nov 30, 2025 | 12:02 PM
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From: MA Coast
W204 2010 C300 4matic Sport M272
Looks like the 4321 # is listed.

If unsure you can search around on ebay for what it looks like. From the photos the part# is stamped on the back side if you can remove and check on yours.







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Old Nov 30, 2025 | 12:08 PM
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Tim, Thanks for all your help. It looks like this is the correct P/N. I saw some on ebay and didn't know if they were the correct P/N. That's the risky part if you buy stuff on line especially if it's ebay.
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