Breathe pure, clean air and protect your vehicle's interior environment from invisible road pollutants. The Original MANN-FILTER Air Filter C 27 021 line delivers premium Original Equipment (OE) quality air purification. Specifically engineered for a precision fitment across high-performance Mercedes-Benz platforms, this advanced, two-piece multi-filter set traps fine particulates while an integrated activated charcoal layer absorbs exhaust gases, industrial emissions, and foul odors before they ever reach your cabin vents. The Original MANN-FILTER Air Filter C 27 021 series uses premium activated charcoal to neutralize odors and block 99% of toxic road allergens, ensuring a healthy, luxurious interior environment for Mercedes-Benz drivers.Key Features & BenefitsAdvanced Carbon Shield: Features an integrated activated charcoal layer that chemically bonds pollutant gases like ozone, nitrogen oxide, and fuel vapors to eliminate outside exhaust odors.99% Particulate Protection: Blocks fine street dust, tree pollen, diesel soot, and micro-abrasions from entering through the ventilation system.HVAC System Protection: Keeps your heating and air conditioning components clean, preventing performance-robbing mold and dust buildup over time.Exact Factory Engineering: Designed to match precise factory dimensions for a complete perimeter seal and direct, drop-in replacement layout.Product SpecificationsBrand: MANN-FILTER (MANN+HUMMEL)Filter Type: Cabin Air Filter Set with Activated Charcoal (2-Piece Kit)Part Number / MPN: CUK 27021-2GTIN/UPC: 4011558066567Fitting Position: Engine compartment / Battery area intake plenumPackage Includes: 2 Premium Combi-Filters (Complete Matching Set)Vehicle CompatibilityEngineered for exact factory fitment across popular Mercedes-Benz rear-wheel and all-wheel drive luxury platforms:Mercedes-Benz E-Class (W212 / S212 Sedan & Wagon, Model Years 2010 – 2016)Fits E250, E350, E400, E550, and E63 AMG models.Mercedes-Benz CLS-Class (C218 / X218 Coupe & Shooting Brake, Model Years 2012 – 2018)Fits CLS400, CLS550, and CLS63 AMG models.Note: Please verify your exact vehicle year, model, and engine variant using our fitment lookup tool prior to completing your purchase to ensure a perfect fit.