Quick Heads-Up: The MANN-FILTER CUK 31003 is actually designed specifically for premium Audi (B9/C8/FY platforms), Porsche (Cayenne III), and Bentley models, rather than Mercedes-Benz. If your customer or store needs the exact product details for the CUK 31003, here is a conversion-focused, SEO-friendly Shopify description highlighting its real Audi/Porsche/Bentley applications: MANN-FILTER CUK 31003 Activated Charcoal Cabin Air Filter Breathe easy and protect your cabin environment from invisible road hazards. The MANN-FILTER CUK 31003 Cabin Air Filter features an advanced activated charcoal layer that delivers original equipment (OE) quality air purification. Specifically engineered for precision fitment in modern luxury European vehicles, this high-performance filter goes beyond trapping basic dust by neutralizing harmful exhaust gases, industrial pollutants, and foul odors before they ever reach your vents. Key Features & Benefits: Advanced Activated Charcoal Shield: Highly effective carbon layer absorbs noxious gases like ozone, nitrogen oxide, and sulfur dioxide while neutralizing exhaust fumes and bad odors. 99% Particulate Protection: Blocks fine dust, pollen, diesel soot, and micro-particles, dramatically improving the air quality inside your vehicle's cabin. Preserves HVAC Performance: Prevents dirt and grime from building up on your vehicle's heating, ventilation, and sensitive air conditioning systems. Perfect OE Specification: Engineered to the exact dimensions and factory standards of European luxury manufacturers for an airtight seal and effortless installation. Product Specifications: Brand: MANN-FILTER Filter Type: Cabin Air Filter (Activated Charcoal Filter) Part Number: CUK 31003 Dimensions: 311mm (Length) x 220mm (Width) x 31mm (Height) Package Includes: 1 Premium Cabin Air Filter Vehicle Compatibility: Fits premium Audi, Porsche, and Bentley platforms, including: Audi A4 / S4 / Allroad (B9 Platform, 2017+) Audi A5 / S5 / RS5 (F5 Platform, 2018+) Audi A6 / S6 / RS6 (C8 Platform, 2019+) Audi A7 / S7 / RS7 (4K8, 2019+) Audi A8 / S8 (D5 Platform, 2019+) Audi Q5 / SQ5 (FY Platform, 2018+) Audi Q7 / SQ7 (4M Platform, 2017+) Audi Q8 / SQ8 / RSQ8 (2019+) Porsche Cayenne (9YA / 9YB Platforms, 2019+) Bentley Bentayga (2017+) Note: Please cross-verify your exact vehicle model, year, and trim level using our fitment finder prior to completing your purchase.