Precision Fitment
Each part is 3D-scanned against the platform and digitally modelled before tooling — so fitment is engineered, not approximated.
£420.00
Upgrade your Mercedes W205 C63 AMG Coupe with this sleek and performance-enhancing carbon fibre rear diffuser, designed for a more aggressive and aerodynamic look.
Straight answers on fitment, lead time and build direction — direct from the team that engineers it.
Open WhatsApp Line →Every component leaves on one standard: measured fitment, disciplined materials, and a specialist on the line before and after you order. The proof sits below — not the promise.
Each part is 3D-scanned against the platform and digitally modelled before tooling — so fitment is engineered, not approximated.
Pre-preg carbon and lightweight composite, finished to a consistent standard and built for structural intent — not cosmetic weight.
A specialist answers fitment, lead time and compatibility before you order — and stays reachable after it ships.
MERCEDES W205 C63 AMG COUPE CARBON 2DR FIBRE REAR DIFFUSER
Enhance the aerodynamics and bold styling of your Mercedes W205 C63 AMG Coupe with this high-quality carbon fibre rear diffuser.
Designed to improve airflow efficiency, increase downforce, and add a more aggressive look, this diffuser not only boosts performance but also gives your C63 Coupe a striking presence on the road.
Compatible Models 2014 - 2018 Mercedes W205 C63 AMG (Pre-Facelift)



Features & Details
Crafted from lightweight, high-strength carbon fibre, ensuring durability, superior rigidity, and a sleek UV-resistant finish for long-lasting quality.
Optimizes airflow, reduces drag, and improves stability for better handling at high speeds.
Features a bold, sculpted design that accentuates the sporty character of your C63 Coupe, giving it a more dynamic appearance.
Designed for exact alignment with the factory rear bumper, ensuring a flush, OEM+ look with no modifications required.
The UV-coated surface provides a deep, high-gloss shine, preventing fading, cracking, or yellowing over time for a long-lasting premium appearance.
Why is carbon fibre a favourite among car enthusiasts?
Carbon fibre is much lighter than others materials like (ABS) Plastic, glass fibre or other materials.
Despite being light, carbon fibre is extremely strong and durable, making it a preferred material for high-performance cars.
Carbon fibre has a unique, modern look that many car enthusiasts find visually appealing.
The reduced weight and increased strength help in better handling and manoeuvrability, making cars more agile.
Fitment, installation, materials, lead time and support — the answers that settle the last doubts before you order. Anything not covered, the specialist line is one tap away.
Fitment is defined by the product title, the listed application scope and your platform. If you're unsure, open the WhatsApp line and a specialist will confirm the correct application before you order.
Yes — particularly for carbon aero, exhaust components and platform-specific upgrades, where alignment, finish protection and correct hardware positioning matter to the result.
It depends on the part, but the standard is consistent: disciplined finish, clean visual consistency and resolved platform-specific presentation. Pre-preg carbon and lightweight composite where the application calls for it.
It depends on whether the part is in stock or built to order. The estimated timeline on the product page is the reference to use before checkout — and the specialist line can confirm it for your exact spec.
Yes. For fitment, visual direction, material choice or build planning, use the WhatsApp block on this page and a specialist will guide you before you place the order.
Yes — worldwide shipping is available across most ASM Sports Tech lines. Method and transit time vary by product category, destination and dispatch origin.
Order directly with ASM Sports Tech, or through an authorised partner in your region. Same components, same standard — whichever route fits the build.
Prefer a local point of contact? An authorised ASM partner in your region can handle the order end to end.
Multi-part builds and full upgrade directions are best coordinated as one order — we'll plan it with you before placement.
Order direct from ASM or through a partner — the parts, the fitment standard and the support are identical either way.
Matching components for the same platform — selected to fit alongside what you're ordering and finish the build as one resolved direction.