You won't find any information about it here. You should head over to the W205 C450/C43 section of the forum, which is located here: https://mbworld.org/forums/c450-c43-amg-216/
A bit tongue in cheek, but just tired of scrolling and seeing over half of the threads be about the wrong C43. W202 crew, let's post pictures of the real C43 just to make sure the point hits home. Real W202 C43 AMG
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.