2015 - 2021 Mercedes Benz W205 C63/S AMG Sedan IMP Performance Carbon Fiber Rear Diffuser w/ Caps
Fitment:
Make: Mercedes-Benz
Model: 2015 - 2021 Mercedes-Benz W205 C63/S AMG Sedan (2019–2021 LCI requires exhaust tip modification)
Year: 2015 - 2021
- Free Shipping within the Continental US | Worldwide Shipping AVAILABLE
A perfect rear-end enhancement for a bolder look and improved aerodynamics.
Modify your car with BayOptiks








Enhance the rear-end aesthetics and aerodynamic performance of your W205 C63/S AMG Sedan with this premium carbon fiber upgrade package. Featuring a rear diffuser with integrated exhaust tips and LED light, this kit delivers both aggressive styling and functional airflow improvements. The diffuser’s bold design is complemented by a set of carbon fiber rear caps, adding a cohesive and high-performance finish to your vehicle's rear profile.
Crafted from high-quality CFRP, FGCF, or DryCF, these components offer lightweight durability and a motorsport-inspired appearance. Please note: 2019–2021 LCI models will require a change of exhaust tips for proper fitment.
Fitment: 2015–2021 Mercedes-Benz W205 C63/S AMG Sedan (2019–2021 LCI requires exhaust tip modification)
Package Contents: One carbon fiber rear diffuser with exhaust tips and LED light, one set of carbon fiber rear caps
We offer free shipping within the Continental U.S, for Headlights, Taillights, DRLs and Carbahn controllers. For Exterior and Performance products, standard shipping rates apply, We also ship worldwide, with rates automatically calculated at checkout.
Please note:
• For Retrofits, you are purchasing a headlight modification service.
• If you select "Shipping own headlights to BayOptiks for modification", you are required to send us your headlights.
• If you choose "Purchase new OEM headlights", we will order and modify a new OEM headlight for you.
• Once your customizations are complete, we will ship it to you!
- Complete Headlights: 3-5 business days for order processing plus shipping time.
- Custom & Pre-Built Headlights: 6-8 weeks depending on the complexity and component availability.
- New OEM and cores: Additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North America, European, etc.)
- DRLs, Taillights and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
Please note:
We do not have control over vendor, manufacturer or delivery service time frames, which may cause delays in components and shipment.