

- BYC PERFORMANCE
- CARBON FIBER
Mercedes-Benz AMG W205 | Prepreg Dry Carbon Fiber Rear Diffuser
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- Free Standard ShippingWorldwide, via partner couriers
- 24-Month BYC WarrantyIn addition to your legal rights
- ImportedOEM fit
Mercedes-Benz W205 (2014-2021) Prepreg Dry Carbon Fiber Rear Diffuser
Engineered for Mercedes-Benz W205 C-Class (2014-2021, non-C63 trims) owners, this Prepreg Dry Carbon Fiber Rear Diffuser brings AMG-inspired race aesthetics to your Sedan/Coupe/Wagon/Cabrio. Imported from leading manufacturers around the world and quality-controlled by BYC Performance, this Mercedes W205 carbon rear diffuser bolts directly to OEM mounting points.
Autoclave-cured prepreg carbon is noticeably lighter than wet-lay parts, with superior structural integrity and outstanding UV resistance. Designed for the full non-C63 W205 range, from base C180/C200/C220 through C300/C400/C450/C43.
Key Features
- Prepreg Dry Carbon Technology: Autoclave cured under high heat and pressure, a more consistent weave.
- AMG-Style Inspired Design: Race-bred diffuser channels, noticeably lighter than OEM plastic.
- High Strength: Carbon fiber offers very high strength for its weight.
- Aerodynamic Performance: Optimized channels accelerate underbody airflow.
- 2x2 Twill Carbon Weave: Natural carbon weave under UV-protective clear coat.
- Direct OEM Fit: Direct bolt-on for non-C63 W205 (2014-2021) rear bumper.
- UV & Chemical Protection: Long-life fade resistance.
Prepreg Dry Carbon vs. Wet Carbon
- Cured in autoclave under heat and pressure → a more consistent weave
- A controlled resin ratio → lighter and stronger
- The production method widely chosen in motorsport
- Minimal UV fading over years
Installation Notes
- Raise the vehicle and remove rear bumper underbody screws.
- Detach OEM plastic diffuser.
- Test-fit the carbon diffuser for alignment.
- Secure with supplied hardware to the manufacturer's recommended torque.
Care & Maintenance
Wash with pH-neutral shampoo. Apply carbon-safe sealant every 6 months.
FAQ
Compatible with C63 W205?
No. C63 has a different rear bumper; a separate C63 carbon diffuser is available.
Compatible with W206 (2022+)?
No.
Compatible with W204 (2007-2014)?
No.
What is the second W205 rear diffuser version?
Our catalog has a v2 W205 rear diffuser with different styling. Choose based on style preference.
Compatible with C43 AMG?
Yes. C43 shares the non-C63 rear bumper geometry.
Will rain damage dry carbon?
No.
Shipping time?
In-stock items ship within 1-3 business days via partner couriers. Parts sourced to order are delivered within 30 days of the order date at the latest.
Warranty?
Manufacturing defects are covered by a 24-month BYC warranty, in addition to your legal rights.
Why BYC Performance?
BYC Performance is a Turkey-based performance tuning specialist sourcing premium carbon fiber parts from leading manufacturers around the world.
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