





Paktechz Dry Carbon Fiber Rear Diffuser - Mercedes Benz W177 a Class Sport A35 A45s Hatchback
The Paktechz Dry Carbon Fiber Rear Diffuser for the Mercedes-Benz W177 A-Class Sport A35 A45S Hatchback is a high-performance upgrade that combines exceptional style with improved aerodynamics. Crafted from premium dry carbon fiber, this rear diffuser adds a sleek, aggressive look to the rear of your vehicle while enhancing stability, downforce, and handling, particularly at higher speeds. Perfectly tailored for the A35 and A45S, it provides both aesthetic and functional benefits to your vehicle’s rear end.
Key Features:
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Premium Dry Carbon Fiber Construction: Made from high-quality dry carbon fiber, this rear diffuser is lightweight, durable, and offers superior strength. Dry carbon fiber is known for its advanced performance qualities and its sleek, glossy finish that complements the sporty nature of your Mercedes-Benz A-Class Sport.
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Improved Aerodynamics: The rear diffuser is designed to optimize airflow under the car, reducing turbulence and drag while increasing downforce. The added downforce provides better traction, particularly at high speeds, which leads to improved vehicle stability and handling. The aerodynamic benefits are especially noticeable during aggressive cornering or high-speed driving.
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Aggressive, Performance-Inspired Styling: The Paktechz Dry Carbon Fiber Rear Diffuser enhances the aggressive and performance-oriented look of the Mercedes-Benz W177 A-Class Sport A35 A45S Hatchback. The sleek design adds a race-ready aesthetic to the rear of your vehicle, giving it a more dynamic, track-inspired appearance.
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Perfect Fitment: Specifically designed for the Mercedes-Benz W177 A-Class Sport A35 A45S Hatchback, this rear diffuser fits perfectly with the vehicle’s rear bumper, integrating seamlessly into the car’s body lines. It offers an OEM-quality fitment that enhances the overall look of the rear without requiring any modifications or adjustments.
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UV-Resistant Clear Coat: To maintain its vibrant carbon fiber finish, the rear diffuser is coated with a UV-resistant clear coat. This protective layer helps prevent fading, discoloration, and oxidation, ensuring that the diffuser retains its glossy, high-performance look even after prolonged exposure to the elements.
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Lightweight & Durable: Carbon fiber’s natural strength-to-weight ratio ensures that the rear diffuser is both lightweight and highly durable. It provides the necessary structural integrity to withstand harsh weather conditions and daily wear, while also contributing to a reduction in overall vehicle weight, which benefits performance.
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Enhanced Handling & Stability: By reducing airflow disturbance under the vehicle, the rear diffuser helps improve the stability of your A-Class Sport A35 A45S at higher speeds. The added downforce enhances grip and traction, leading to a more controlled, confident driving experience, especially when cornering or navigating tight curves.
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Easy Installation: The Paktechz Dry Carbon Fiber Rear Diffuser is designed for a straightforward installation with all the necessary hardware and instructions included. It fits seamlessly without requiring professional help or modifications, making it a hassle-free upgrade that enhances your vehicle’s performance and appearance.
Enhance the performance and look of your Mercedes-Benz W177 A-Class Sport A35 A45S Hatchback with the Paktechz Dry Carbon Fiber Rear Diffuser. This premium upgrade combines style and function, improving aerodynamics, stability, and handling while adding a bold, track-ready aesthetic to the rear of your vehicle.
We want you to have our parts as quickly as possible. Products that are in stock will be shipped and delivered domestically in 1–5 business days. It will take seven to twenty-one business days for international shipment. An email confirming that your order is being completed will be sent to you once you place it. For in-house orders, please allow a day for processing and the updating of the tracking number. The product page accurately shows the quantity.
Custom steering wheels typically take 20-25 business days for production, with an additional 5-7 business days for shipping. Production and delivery times may vary depending on the complexity of the order and the shipping destination. For more details, please refer to our Shipping Policy.
Our Return Policy permits returns only for products that are found to be defective. You have 30 days from the date of delivery to inspect the product and report any issues.
Regular Cleaning: Maintain carbon fiber parts by cleaning them regularly with a soft cloth and a mixture of mild soap and water. Avoid abrasive or harsh cleaners that could harm the finish.
Use Microfiber Pads and Cloths: Opt for microfiber pads and cloths when cleaning or applying protective coatings to prevent surface scratches.
Protect from Sun and Chemicals: Limit exposure to direct sunlight and harsh chemicals, as they can damage carbon fiber. When possible, use protective covers or park your vehicle in shaded areas.

Why Thousands of Enthusiasts Trust Us
Carbon Industries delivers premium, precision-engineered parts that elevate Vehicle performance and style—backed by expert support and a true passion for the culture. We don’t just sell parts; we fuel the lifestyle.
- Guaranteed Fitment for Your BMW: No guesswork—our parts are designed and tested to fit your exact model perfectly.
- Premium Materials, Always: We use only high-grade carbon fiber, forged metals, and performance-tested components.
- White-Glove Customer Support: Our team of BMW specialists is here to guide you with expert, concierge-level care.
- Trusted by the Elite Vehicle Community: From daily drivers to show builds, our parts are featured on some of the cleanest builds worldwide.

Let customers speak for us
FAQ
Will these parts fit my specific Vehicle model and year?
Yes — every product page includes a “Will This Fit” section to ensure compatibility. If you’re unsure, just send us your VIN or model/year, and our team will confirm fitment for you within 24 hours. We specialize in BMW and European vehicles, so you’re in good hands.
Are these genuine carbon fiber or carbon fiber overlay parts?
We offer only full carbon fiber options. Each listing clearly specifies the construction material. Rest assured, we only source high-quality parts that are durability-tested and made to OEM or better standards.
How long does shipping take and where do you ship from?
Most orders ship from our Irvine, CA warehouse within 1–3 business days. Domestic delivery typically takes 3–7 business days. International shipping times vary by country. Each product page includes real-time shipping estimates based on your location. Certain made to order products will take up to 3-4 weeksfor delivery, including production time.
Do I need professional installation or can I install it myself?
Many of our mods are designed for direct bolt-on installation and can be installed at home with basic tools. However, for certain parts like aero kits or performance components, we recommend professional installation for best results. Each product page includes install difficulty and notes. We offer professional installation at our Santa Clara, CA location.
What if the product doesn’t fit or I change my mind?
No worries — we offer hassle-free returns within 30 days of delivery. If the part doesn’t fit due to an error on our end, we’ll cover the return shipping. For all other returns, we make it easy to exchange or get a refund. See our full Returns & Warranty Policy for details.
Are your parts tested for quality and durability?
Absolutely. All of our products go through quality control checks and are either TUV-certified, ISO-certified, or tested by our in-house team and verified installers. We don’t sell anything we wouldn’t put on our own cars.
Do you offer warranties on your parts?
Yes. Most of our products come with a 90-day limited warranty against manufacturing defects. Some premium items offer extended warranties — details are listed on the product pages. We’re committed to quality and stand behind what we sell.
Can I finance or pay in installments?
Yes — we offer Shop Pay, Affirm, AfterPay, and Klarna at checkout. You can split your purchase into 4 interest-free payments or choose longer-term plans if needed. It’s quick, easy, and won’t affect your credit score (in most cases)