Mercedes Benz W205 C63 S AMG Sedan IMP Performance Carbon Fiber Rear Diffuser with Caps 2015-2021

Upgrade the rear styling and aerodynamic performance of your 2015–2021 Mercedes Benz W205 C63 S AMG Sedan with this IMP Performance carbon fiber rear diffuser with caps. Designed to deliver a more aggressive and track-inspired appearance, this setup enhances the lower rear profile with sharper lines and integrated performance elements.

Engineered specifically for the W205 platform, this rear diffuser integrates seamlessly with the factory bumper while adding a more dynamic and performance-focused rear-end design. The included rear caps further enhance the width and visual impact, creating a cohesive and upgraded rear aesthetic.

Constructed from high-quality carbon fiber materials, this diffuser setup offers lightweight durability and a premium finish. Multiple carbon fiber configurations are available, allowing enthusiasts to select the ideal balance between strength, weight reduction, and visual appeal.

Product Specifications

Key Features

• Designed for 2015-2021 Mercedes Benz W205 C63 S AMG Sedan
• IMP Performance style rear diffuser with rear caps
• Enhances rear aerodynamics and airflow efficiency
• Improves aggressive styling and rear-end presence
• Includes integrated exhaust tips and LED light
• Rear caps provide wider and more dynamic visual profile
• Precision engineered for OEM-style fitment and alignment
• Constructed from high-quality carbon fiber materials
• Available in CFRP, FGCF, and dry carbon fiber options
• Lightweight construction with strong durability
• UV-resistant clear coat for long-lasting finish protection
• Seamlessly integrates with factory rear bumper
• Suitable for street, show, and performance builds

Configuration Options

• CFRP – Full carbon fiber with gloss finish
• FGCF – Fiberglass base with carbon fiber overlay
• Dry Carbon Fiber – Premium lightweight construction with superior weave consistency

Package Includes

• Carbon fiber rear diffuser with integrated exhaust tips and LED light
• Carbon fiber rear caps (set)

Note: For 2019–2021 LCI models, exhaust tips may need to be changed for proper fitment. Professional installation is recommended.

Installation

• Direct bolt-on installation
• Uses factory mounting points
• May require exhaust tip adjustment (LCI models)
• No major modification required
• Professional installation recommended

Fitment

• 2015-2018 Mercedes Benz W205 C63 S AMG Sedan
• 2019-2021 Mercedes Benz W205 C63 S AMG Sedan (LCI – exhaust tip modification required)

United States: Free shipping available to the lower 48 states across all items. Other states will incur a shipping charge.

Worldwide: Free shipping is available for Complete Headlights, Taillights, DRLs. For custom headlight retrofits, carbon fiber products, and performance products, there will be a shipping charge.  

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: 6-8 weeks plus an additional 4-8 weeks as these are special orders base on the vehicle VIN due to different versions (North American, European, etc.)
• DRLs, Taillights, Brake Pads, and Carbon Fiber Aero: 3-5 business days for order processing, plus shipping time.
• Lens Replacements: 1-3 weeks plus shipping time.

Please note, we do not have control over the time frames of our vendors, manufacturers, and delivery services as they may delay processes in regards to components and shipment.