Vehicle Fitment: Compatible with 2015–2018 Mercedes Benz C Class W205 / C300 Base Sedan with C63 style body. Designed for 2015–2019 pre-facelift models only. Compatible with standard/non-AMG trims. Does not fit AMG line bumpers, 2-door coupes, or convertibles. Confirm this rear bumper diffuser matches your specific vehicle year and model before ordering. Stylish Appearance: Finished in gloss black for a refined look. The sculpted diffuser profile adds depth and aggression to the rear bumper, emphasizing the car's width and stance while subtly protecting the lower fascia. Robust Material: Molded from high-grade PP plastic for reliable strength and long-term durability. Engineered to resist cracking and deformation under extreme weather and rough pavement, keeping its form and finish over time. Performance Upgrade: Promotes smoother underbody airflow to reduce drag and minimize rear-end lift. Better air extraction enhances traction and cornering stability Simple Installation: Includes 1 x Rear Bumper Diffuser in gloss black plus all necessary mounting hardware. No printed instructions provided. Designed for straightforward screw-and-clip fastening—install quickly with basic tools and minimal effort