W213 E400 - E53 Rear diffuser conversion
Link below provided for the parts I'm looking at.
https://www.kunzmann.de/shop/en/tuni...cedes-benz.htm
Thanks!
Ive done it to my coupe, and the same is the sedan, but different parts
I have part number for coupe only
If you need them for sedan, you should find any E53 sedan at the dealers place and take the photo of its VIN number, under the windshield. And after ask the dealer to find the parts you need using this VIN number
Last edited by FedM; Feb 12, 2020 at 08:36 AM.
E43 has the same rear parts as any E-class (rear bumper, diffuser etc) in AMG package. except exhaust tips
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or do like I told before. Find the E53amg vehicle at the dealership and take the pic of the vin number. Then use it at the parts department
I don't know part #s for sedan, sorry. I drive coupe, so there are different parts used
Or you can order replica parts from china, I have seen them in real life and the quality is great, like OEM
Last edited by FedM; Feb 20, 2020 at 03:00 AM.
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Can someone please confirm. I just bought E43 2017 wagon (pics will follow next week once I get it) and I would like to change to E53 exhaust tips. Do I need the tips only or do I need to replace the difusor aswell?
Thanks!
You need to replace all. I have an 18' E43 and am doing the 53 Rear Diffuser. I've seen it done two ways but rest assured it's a breeze if you have or can use a lift for the job. Doesn't look difficult, just tedious. There's multiple YouTube videos on it. Essentially, you build the the tips right into the diffuser , as it comes separate on most packages.




both items have been ordered and should be arriving in a week or two.
will post before and after pics when these are installed… I may create a mod thread for these just to capture things and help out others interested in similar mod.
I purchased all components in gloss black. If you prefer chrome, the part numbers would be different for some of these items.
Exhaust Tip Screws - 006-990-06-12 (need 4 qty)
Rear Diffuser - 213-885-24-01 (gloss black)
Center Trim - 213-885-45-01 (gloss black)
Left Trim - 213-885-47-01 (gloss black)
Right Trim - 213-885-48-01 (gloss black)
Left Exhaust Tip - 213-490-66-05 (gloss black)
Right Exhaust Tip - 213-490-68-05 (gloss black)
Left Exhaust Tip Surround 213-885-57-04
Right Exhaust Tip Surround 213-885-58-04
Bumper Holder 213-885-44-01
Left Exhaust Tip Bracket 213-885-55-04
Right Exhaust Tip Bracket 213-885-56-04
You'll also need a rivet gun and 10 rivets (get a pack of different sized rivets), and a quality set of drill bits to drill out your existing rivets.
Last edited by 6speeddave; Jun 13, 2025 at 02:54 PM.

I purchased all components in gloss black. If you prefer chrome, the part numbers would be different for some of these items.
Exhaust Tip Screws - 006-990-06-12 (need 4 qty)
Rear Diffuser - 213-885-24-01 (gloss black)
Center Trim - 213-885-45-01 (gloss black)
Left Trim - 213-885-47-01 (gloss black)
Right Trim - 213-885-48-01 (gloss black)
Left Exhaust Tip - 213-490-66-05 (gloss black)
Right Exhaust Tip - 213-490-68-05 (gloss black)
Left Exhaust Tip Surround 213-885-57-04
Right Exhaust Tip Surround 213-885-58-04
Bumper Holder 213-885-44-01
Left Exhaust Tip Bracket 213-885-55-04
Right Exhaust Tip Bracket 213-885-56-04
You'll also need a rivet gun and 10 rivets (get a pack of different sized rivets), and a quality set of drill bits to drill out your existing rivets.
Thank you, thank you, thank you, thank you. I can't express that enough lol
By the way, was removing the rear bumper entirely necessary or can it be done lying on the ground with airmatic raised?
And how much did the parts cost after everything?
P.S. We've got the same car
Pricing could be anywhere from $1700-2400 depending on where you source your parts.
I dont recommend installing the diffuser with the bumper on the car as you won't be able to access the rivets.


I look forward to updating y'all on how the installation of an eBay/AliExpress/Amazon replica kit goes and the quality of the parts.
The stock E43 diffuser is really disappointing. They didn't play with the looks of the car enough. And the matte plastic.. yes my car is 8 years old but it has noticeably faded under the Texas heat, a little bit.




I look forward to updating y'all on how the installation of an eBay/AliExpress/Amazon replica kit goes and the quality of the parts.
The stock E43 diffuser is really disappointing. They didn't play with the looks of the car enough. And the matte plastic.. yes my car is 8 years old but it has noticeably faded under the Texas heat, a little bit.
Last edited by kingscorpian27; Jun 24, 2025 at 07:28 PM.





What do you mean by insulation?












