{"product_id":"afe-pro-5r-30-10333-air-filter-mercedes-m274-c300-e300-glc300-slc300","title":"aFe Pro 5R 30-10333 High-Flow Air Filter – Mercedes M274 2.0L Turbo | C300, C350e, E300, GLC300, GLC350e, SLC300, SLK300 (Single Filter)","description":"\u003cdiv style=\"max-width: 900px; line-height: 1.65; color: #222;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eaFe Pro 5R 30-10333\u003c\/strong\u003e is a high-flow, washable panel air filter for the Mercedes \u003cstrong\u003eM274 2.0L Turbo\u003c\/strong\u003e — C300, C350e, E300, GLC300, GLC350e, SLC300 and SLK300. \u003cstrong\u003eThis listing includes one filter\u003c\/strong\u003e, because these cars use a single filter housing. Oiled cotton gauze media, made in the United States, drops straight into the factory housing in about ten minutes with no tuning and no modification.\u003c\/p\u003e\n\u003ch2\u003eWhat You Get\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 14px 0;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd; font-weight: 600; width: 40%;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003eaFe 30-10333\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eQuantity Included\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003e1 filter — one complete vehicle set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eFilter Media\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003eOiled cotton gauze, pre-oiled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eTune Required\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eInstall\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003eDrop-in, 5–10 minutes, Torx driver required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eReusable\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003eYes — washable and re-oilable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eMade In\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd; font-weight: 600;\"\u003eShips\u003c\/td\u003e\n\u003ctd style=\"padding: 8px 10px; border: 1px solid #ddd;\"\u003eWithin 2 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eCold Air Intakes Aren't Pulling Cold Air\u003c\/h2\u003e\n\u003cp\u003eIronically, \u003cstrong\u003e\"cold air intakes\"\u003c\/strong\u003e use open cone filters, exposing them to hot air from the engine bay. When IATs rise, the ECU then pulls timing, reducing power when you are driving hard or doing repeated pulls.\u003c\/p\u003e\n\u003cp\u003eThe factory Mercedes airbox already channels cold air from the outside. Sealed, ducted to the grille. The paper panel inside is the only real restriction, and that is what this \u003cstrong\u003eperformance air filter\u003c\/strong\u003e replaces.\u003c\/p\u003e\n\u003ch2\u003eFitment — M274 2.0L Turbo\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 14px 0;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #111; color: #fff;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eC300\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eW205 \/ S205 \/ C205 \/ A205\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003e2015–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eC350e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eW205\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003e2016–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eE300\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eW213\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003e2017–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eGLC300\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eX253 \/ C253\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003e2016–2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eGLC350e\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eX253\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003e2018–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eSLC300\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eR172\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003e2017–2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eSLK300\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003eR172\u003c\/td\u003e\n\u003ctd style=\"padding: 9px 10px; border: 1px solid #ddd;\"\u003e2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInstall \u0026amp; Maintenance\u003c\/h2\u003e\n\u003cp\u003eUndo the Torx screws on the airbox lid, lift the lid, swap the filter, and put it all back together. No cutting, no wiring, no tuning.\u003c\/p\u003e\n\u003cp\u003eWash with a cotton-gauze filter cleaner, rinsing from the clean side outward. Air dry at room temperature — no compressed air or heat — then re-oil lightly. Over-oiling is what contaminates a MAF sensor.\u003c\/p\u003e\n\u003ch2\u003eWarranty, Shipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e aFe Power Limited Lifetime Warranty against manufacturer defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships within 2 business days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e 30-day returns on unused items in original packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eQuestions\u003c\/h2\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow many filters does my car need?\u003c\/summary\u003e\u003cp style=\"margin: 8px 0 0 18px; color: #444;\"\u003eOne. These models use a single filter housing, and that is exactly what this listing includes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDo I need a tune to run this?\u003c\/summary\u003e\u003cp style=\"margin: 8px 0 0 18px; color: #444;\"\u003eNo. This is a direct replacement for the factory panel and works on a completely stock car. A tune is where the real power is, but it is not a requirement for fitting this.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eWill the filter oil damage my MAF sensor?\u003c\/summary\u003e\u003cp style=\"margin: 8px 0 0 18px; color: #444;\"\u003eNot when the filter is oiled correctly. It ships pre-oiled at the right level and needs nothing before install. MAF problems come from over-oiling after a cleaning — apply lightly, let it wick in, and do not saturate. If you would rather avoid oil entirely, a dry synthetic filter is the alternative.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eIs a cold air intake better than this?\u003c\/summary\u003e\u003cp style=\"margin: 8px 0 0 18px; color: #444;\"\u003eOn the M274, no. The factory box is already sealed and ducted to outside air, so the paper panel is the restriction rather than the box. An open cone gains a little peak flow and gives up intake temperature, which is the wrong trade on a turbocharged engine. A full intake kit earns its place once you are chasing airflow beyond what the factory box supports.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eHow often does it need cleaning?\u003c\/summary\u003e\u003cp style=\"margin: 8px 0 0 18px; color: #444;\"\u003eaFe publishes a cleaning interval of roughly every 20,000 to 30,000 miles, sooner if you have been through extremely dusty or dirty conditions. Clean and re-oil in one step.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 10px;\"\u003e\u003csummary style=\"font-weight: 600; cursor: pointer;\"\u003eDoes this fit the factory airbox without modification?\u003c\/summary\u003e\u003cp style=\"margin: 8px 0 0 18px; color: #444;\"\u003eYes. It is an OEM-shape panel filter. Nothing is cut, drilled, relocated or removed, and the factory heat shielding stays exactly as it is.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv style=\"background: #111; color: #fff; padding: 16px; border-radius: 8px; margin-top: 26px; text-align: center; font-size: 14px; letter-spacing: .02em;\"\u003e\n\u003cstrong\u003eMercedes Specialists\u003c\/strong\u003e  ·  \u003cstrong\u003eReal Enthusiast Support\u003c\/strong\u003e  ·  \u003cstrong\u003eUS Stock\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":50604918505647,"sku":"30-10333","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/30-10333_1.webp?v=1791574249","url":"https:\/\/benzunitedparts.com\/products\/afe-pro-5r-30-10333-air-filter-mercedes-m274-c300-e300-glc300-slc300","provider":"BenzUnited Parts","version":"1.0","type":"link"}