C43 Coupe 2019 rear diffuser on C43 Coupe 2018
I have a C43 Coupe 2018 and in my opinion the rear diffuser is not that aggressive. I want to install the diffuser from C43 Coupe 2019. The question is does it fit? Any one that have any info about part measurements? Or should I get Brabus one that fits my C43?
If you could somehow get your hands on a 19 diffuser I bet you would pay a pretty penny for it seeing how it is brand new
I am going to be modding the C43 to the max. Will only be using MB factory parts for the bodywork upgrades.
Am already planning on the OEM rear bumper flics, AMG center caps, and the "upgraded" front splitter.
Plan on putting the '19 diffuser on the rear if it turns out to be a direct replacement with no fabrication required.
Some related OEM upgrade questions:
- Has anyone done a C63 grille swap on the C43? Since the '19s will be coming with the twin-blade grille, I am strongly considering getting the jump on this by going with a C63 grille.
Is it a direct replacement? Anyone have all the required part numbers? In addition to the aesthetic component, it looks like the C63 grille facilitates more airflow than the C43 "diamond" grille (which I also think looks nice, but not as clean as the 63's).
Thanks in advance.
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Did you know that there's an upgraded/optional splitter for the '18 C43? I think that's what I'm going to be going with. I think I prefer the lower front fascia of the '18, the grille of the '19, and the rear diffuser of the '19.
I wonder how extensive the exhaust tip swap will be. And whether it will require some fabrication as opposed to being a pure bolt-on swap.
Did you know that there's an upgraded/optional splitter for the '18 C43? I think that's what I'm going to be going with. I think I prefer the lower front fascia of the '18, the grille of the '19, and the rear diffuser of the '19.
I wonder how extensive the exhaust tip swap will be. And whether it will require some fabrication as opposed to being a pure bolt-on swap.

I think its about 800-1000USD, both job and peace. You dont have to replace the bumper, only the diffuser and tips. That part is mostly plastic so not that expensive.
Here's the link:
https://www.mbwholesalepartsonline.c...bC12Ni1nYXM%3D
You can see it adds a lower horizontal element with some vertical strakes.
https://www.kunzmann.de/shop/en/tuni....htm?sub=14112
I don't think they ever made that for the coupe, only the one I linked above.
https://www.kunzmann.de/shop/en/tuni....htm?sub=14112
I don't think they ever made that for the coupe, only the one I linked above.

Do u guys know where i can get the 2019 C43 diffuser and tips for coupe?
Here's the link:
https://www.mbwholesalepartsonline.c...bC12Ni1nYXM%3D
You can see it adds a lower horizontal element with some vertical strakes.
Thanks bro! I´ll post a pic when its done.
It looks better the mine, but in my opinion the new one looks more aggressive.
Just saying.
Just came back from AMG dealer and here is more info about C43 2019 rear diffuser.
SKU for the rear bumper (red markin in pic) is the same for both 2018 and 2019. AMG mechanic was almost sure that rear diffuser from 2019 (blue marking in pic) would fit. He looked underneath my C43 Coupe 2018 and a C43 Coupe 2019, it looked the same except the diffuser. Diffuser from 2019 is much bigger than from 2018, looks awesome. All of this is so new that he couldn't find night package part, not up in the system yet. Asked me to call him in September, it should be up then. It takes about 3h to change it.
Just came back from AMG dealer and here is more info about C43 2019 rear diffuser.
SKU for the rear bumper (red markin in pic) is the same for both 2018 and 2019. AMG mechanic was almost sure that rear diffuser from 2019 (blue marking in pic) would fit. He looked underneath my C43 Coupe 2018 and a C43 Coupe 2019, it looked the same except the diffuser. Diffuser from 2019 is much bigger than from 2018, looks awesome. All of this is so new that he couldn't find night package part, not up in the system yet. Asked me to call him in September, it should be up then. It takes about 3h to change it.
Got some price indication. Diffuser and end pipes will cost approximately 1600USD (14000SEK).






