{"product_id":"kn-filters-spacer-kit-combo-m157","title":"M157 K\u0026N Performance Air Filters + Airbox Spacer Kit","description":"\u003cdiv style=\"max-width: 920px; margin: 0 auto; font-family: Arial, Helvetica, sans-serif; line-height: 1.65; color: #222; font-size: 16px; background: #fff;\"\u003e\n\u003cp style=\"text-align: center; background: #f8f8f8; padding: 14px; border-radius: 8px; font-size: 17px;\"\u003e\u003cstrong\u003eThe ultimate OEM+ intake upgrade\u003c\/strong\u003e — K\u0026amp;N high-flow filters + precision airbox spacers for maximum throttle sharpness and mid-range power on tuned M157 AMG cars.\u003c\/p\u003e\n\u003chr style=\"border: none; height: 2px; background: linear-gradient(to right, #eee, #d32f2f, #eee); margin: 25px 0;\"\u003e\n\u003ch2 style=\"color: #000; text-align: center; font-size: 26px; margin: 25px 0 15px;\"\u003eWhy This K\u0026amp;N + Spacer Combo Crushes It on the M157\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 15px; justify-content: center;\"\u003e\n\u003cdiv style=\"flex: 1; min-width: 260px; background: #f9f9f9; padding: 16px; border-radius: 8px;\"\u003e\n\u003cstrong\u003e✅ Airbox Spacers (Left + Right)\u003c\/strong\u003e\u003cbr\u003eRaises the filter sealing plane for smoother, higher-volume airflow into the MAF housing.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 260px; background: #f9f9f9; padding: 16px; border-radius: 8px;\"\u003e\n\u003cstrong\u003e✅ K\u0026amp;N High-Flow Performance Filters\u003c\/strong\u003e\u003cbr\u003eLegendary oiled cotton media + Million Mile Warranty® — proven HP gains, washable, CARB legal, no tuning needed.\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; min-width: 260px; background: #f9f9f9; padding: 16px; border-radius: 8px;\"\u003e\n\u003cstrong\u003e✅ Factory Airbox Retained\u003c\/strong\u003e\u003cbr\u003eKeeps perfect cold-air routing \u0026amp; heat shields — zero heat-soak, zero MAF issues.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin: 28px 0 12px; color: #d32f2f; text-align: center;\"\u003eReal-World Results Owners Report\u003c\/h3\u003e\n\u003cul style=\"font-size: 16.5px; max-width: 680px; margin: 0 auto;\"\u003e\n\u003cli\u003eCrispier throttle tip-in and noticeably stronger mid-range pull\u003c\/li\u003e\n\u003cli\u003eBetter power consistency on hot days and repeated pulls\u003c\/li\u003e\n\u003cli\u003ePerfect headroom for headers, downpipes, tune, or E85\u003c\/li\u003e\n\u003cli\u003eZero check-engine lights • Fully reversible • No ECU retune\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: center; font-size: 15px; font-style: italic; margin: 20px 0;\"\u003e“K\u0026amp;N filters + spacers on my E63 with downpipes = night and day difference. Throttle is razor sharp and it pulls way harder now.” – Mike T., 2015 E63 AMG • 550+ whp\u003c\/p\u003e\n\u003ch3 style=\"margin-top: 30px; text-align: center;\"\u003eWhat You Get (Full Combo Kit)\u003c\/h3\u003e\n\u003cul style=\"text-align: center; list-style: none; padding: 0; font-size: 17px;\"\u003e\n\u003cli\u003e✔ 2 × Precision CNC-machined airbox spacers (left + right)\u003c\/li\u003e\n\u003cli\u003e✔ 2 × K\u0026amp;N High-Flow Performance Air Filters (pre-oiled)\u003c\/li\u003e\n\u003cli\u003e✔ All stainless hardware + detailed install instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top: 28px; color: #000; text-align: center;\"\u003eFits These M157 5.5L Biturbo V8 AMG Models\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; background: #f9f9f9;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #222; color: #fff;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eChassis\u003c\/th\u003e\n\u003cth style=\"padding: 12px; 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: 10px;\"\u003eE 63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eW212\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2012–2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003eCLS 63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eC218\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2012–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eS 63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eW222\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2013–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003eCL 63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eC216\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2011–2014\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px;\"\u003eSL 63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eR231\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2012–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #fff;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003eG 63 AMG • GL\/ML 63 AMG\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eW463 • X166 \/ W166\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003e2013–2018\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 13px; text-align: center; color: #666; margin: 8px 0 0;\"\u003e✅ Always verify M157 engine code • Message me if unsure\u003c\/p\u003e\n\u003ch3 style=\"margin: 34px 0 14px; text-align: center;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eDo I need a tune after installing this?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eNo. This kit runs on the stock tune with no ECU changes, no check engine lights, and no MAF issues — the factory airbox and cold-air routing are retained.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eWhat do the spacers actually do?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eThey raise the filter sealing plane, which lets more air move into the MAF housing than the factory arrangement allows. You keep the OEM airbox and heat shielding, so there's no heat soak — unlike an open-element intake.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eHow long does the install take?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eAbout 20 minutes with a 10mm socket. No other tools needed, and it's fully reversible if you ever want to go back to stock.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eDo the filters need cleaning?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eYes — they're washable oiled-cotton K\u0026amp;N filters, so they're cleaned and re-oiled rather than replaced. They carry K\u0026amp;N's Million Mile Warranty.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eIs this worth it if my car is already modified?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eThat's where it does the most. On cars with downpipes, headers, a tune, or E85, the extra intake headroom matters more. It's a supporting mod, not a standalone power adder.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom: 16px; border-bottom: 1px solid #eee; padding-bottom: 16px;\"\u003e\n\u003csummary style=\"font-weight: 600; cursor: pointer; font-size: 16px;\"\u003eHow do I confirm it fits my car?\u003c\/summary\u003e\n\u003cp style=\"margin: 12px 0 0 24px; color: #444;\"\u003eCheck that your car has the M157 5.5L biturbo V8 — that's the deciding factor, not the model badge. Covered chassis are listed in the fitment table above. If you're unsure, message us your year, model, and VIN and we'll confirm before you order.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdiv style=\"text-align: center; margin: 32px 0 20px;\"\u003e\n\u003cp style=\"font-size: 17px;\"\u003e\u003cstrong\u003eInstall in ~20 minutes • No tools beyond a 10mm socket • Fully reversible\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; margin-top: 25px; font-size: 13px; color: #777;\"\u003eBenzUnited Parts • Mercedes Performance Specialist\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":47117787988143,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/image_22.jpg?v=1782476246","url":"https:\/\/benzunitedparts.com\/products\/kn-filters-spacer-kit-combo-m157","provider":"BenzUnited Parts","version":"1.0","type":"link"}