{"product_id":"k-n-21-22-mercedes-benz-c300-2-0l-l4-replacement-air-filter","title":"K\u0026N 21-22 Mercedes-Benz C300 2.0L L4 Replacement Air Filter","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e33-3173\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 024844394217\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eK\u0026amp;N High-Flow Lifetime Air Filter for 2021-2022 Mercedes-Benz C300 2.0L L4\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis K\u0026amp;N 33-3173 replacement air filter is designed for the 2021-2022 Mercedes-Benz C300 2.0L L4 engine, including Base and 4Matic submodels. It uses advanced oiled cotton gauze media to deliver up to 50% more airflow than stock filters while trapping dirt and debris for engine protection. Drivers gain better throttle response, increased horsepower and torque, plus a washable design that lasts your vehicle's lifetime with a 10-Year\/Million Mile Limited Warranty.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Flow Oiled Cotton Media:\u003c\/strong\u003e Multi-layer gauze captures contaminants at 99% efficiency while allowing maximum air intake for power gains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable and Reusable:\u003c\/strong\u003e Clean and re-oil every 50,000 miles using K\u0026amp;N Recharger Kit (sold separately) to maintain performance without replacements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Drop-In Fit:\u003c\/strong\u003e Matches factory airbox dimensions of 11.063 in L x 7.625 in W x 1.625 in H for simple installation in minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Boost:\u003c\/strong\u003e Improves engine breathing for quicker acceleration, better fuel efficiency, and up to 2.4 MPG gains reported by users.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifetime Durability:\u003c\/strong\u003e Built with premium materials and backed by K\u0026amp;N 10-Year\/Million Mile Limited Warranty for long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eVerify vehicle fitment by year, make, model, submodel, and 2.0L L4 engine before purchase.\u003c\/li\u003e\n\u003cli\u003eClean filter regularly per K\u0026amp;N instructions to preserve warranty and airflow performance.\u003c\/li\u003e\n\u003cli\u003eProduct weight is 1.1 lbs. ships in protective retail box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eRemove factory air filter from airbox. insert K\u0026amp;N 33-3173 panel filter directly with no tools needed.\u003c\/li\u003e\n\u003cli\u003eNo modifications, adapters, or additional hardware required for OEM airbox compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2022\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eC300\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2022\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eC300\u003c\/td\u003e\n\u003ctd\u003e4Matic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022-2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eC300\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022-2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eC300\u003c\/td\u003e\n\u003ctd\u003e4Matic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024-2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eCLE300\u003c\/td\u003e\n\u003ctd\u003e4Matic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eE350\u003c\/td\u003e\n\u003ctd\u003e4Matic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eE350\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eE350\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eGLC300\u003c\/td\u003e\n\u003ctd\u003e4Matic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eGLC300\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eGLE350\u003c\/td\u003e\n\u003ctd\u003e4Matic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eGLE350\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eGLE350\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024-2025\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz\u003c\/td\u003e\n\u003ctd\u003eGLE450e\u003c\/td\u003e\n\u003ctd\u003e4Matic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose K\u0026amp;N?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOver 50 years engineering high-performance air filters trusted by millions of drivers worldwide.\u003c\/li\u003e\n\u003cli\u003eProven dyno-tested gains in horsepower and torque on Mercedes-Benz engines.\u003c\/li\u003e\n\u003cli\u003ePrecision-molded rubber seals ensure airtight fit in factory housings for zero air leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this fit my 2022 Mercedes C300 4Matic 2.0L?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the 33-3173 installs directly into the factory airbox of 2021-2025 C300 Base and 4Matic models with 2.0L L4 engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is used in this filter?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Multi-layered oiled cotton gauze provides high airflow and filtration down to 10 microns for engine safety.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and maintenance process?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 10-Year\/Million Mile Limited Warranty. wash with K\u0026amp;N kit every 50,000 miles, re-oil, and reinstall.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e Standard ground shipping via UPS or FedEx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure retail box measuring 12.5 in x 8.5 in x 2.5 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.1 lbs net weight, 1.2 lbs shipping weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kn-21-22-mercedes-benz-c300-2_0l-l4-replacement-air-filter-kn-engineering-2.jpg?v=1767001559\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kn-21-22-mercedes-benz-c300-2_0l-l4-replacement-air-filter-kn-engineering-3.jpg?v=1767001560\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/kn-21-22-mercedes-benz-c300-2_0l-l4-replacement-air-filter-kn-engineering-4.jpg?v=1767001562\" alt=\"\"\u003e\u003c\/p\u003e","brand":"K\u0026N Engineering","offers":[{"title":"Default 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