👻 What are these little flaps under all C63 Coupes? PICTURE
👻 What are these little flaps under all C63 Coupes? PICTURE
Senior Member
Joined: Jul 2017
Posts: 355
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MY17 C63s Sedan
If I had to guess, I would say it functions just like any flap that guards against rocks from jumping up and damaging things. There is I believe a heat exchanger that is downward facing around that area and has holes in the under tray which rocks can potentially jump up and hit it...That's my assumption anyways.
Out Of Control!!
Joined: Nov 2018
Posts: 11,432
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From: San Francisco Bay Area
2019 C63CS
Those are spoilers and help to make sure the air passes smoothly underneath the car for maximum downforce. There's at least one more set further back if you look under the car.
Thread Starter
Super Member
Joined: Jan 2020
Posts: 544
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From: Sydney
C63 S Coupe
Gotcha! Thanks Swiss..... One of mine is in bad shape from a cement parking block and is partially cracked, can these be replaced or are they a part of the whole plastic undertray??
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Joined: Sep 2016
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From: Australia
⏱️ 700HP Facelift converted C63 S Coupe with Drexler 3.06 plated LSD
Some goose on Insta attention gram said when those little flaps hit a speed hump they send a signal to the car and it adjusts the suspension to prevent the nose from scraping further. Who was that again @George_1992 ??
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Out Of Control!!
Joined: Nov 2018
Posts: 11,432
Likes: 5,342
From: San Francisco Bay Area
2019 C63CS
Yes, they can be replaced. They are L-shaped and attached to the undertray with 5 screws (if I counted correctly). Should be very easy to replace. You can feel and see the screw heads. Those are common casualties when scraping somewhere, along with the front splitter on the FL aero package. These things are all designed to be easily replaced. I already had to replace my front splitter once. It also just screws on to the bumper.
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