{"product_id":"w205-c300-stage-2-bundle-catless-downpipes-custom-ecu-tune","title":"C300 E300 GLC300 M274 Catless Downpipe + Stage 2 Tune Bundle | W205 W213 X253","description":"\u003cdiv style=\"font-family: inherit; line-height: 1.6; color: #2c2c2c; max-width: 100%; margin: 0 auto; padding: 20px 12px; letter-spacing: normal;\"\u003e\n\u003c!-- Vivid, benefit-first hook – short for mobile --\u003e\n\u003cp style=\"font-size: 18px; font-weight: 600; color: #111; margin: 0 0 24px; text-align: center;\"\u003eSick of your C300\/E300\/GLC300 feeling underpowered?\u003cbr\u003eGet instant throttle snap, massive mid-range torque, and turbo whoosh + pops — all reliable, CEL-free.\u003cbr\u003eStage 2+ bundle: Up to \u003cspan style=\"color: #0ea5e9;\"\u003e320 HP \/ 340 TQ\u003c\/span\u003e on pump gas.\u003c\/p\u003e\n\u003c!-- Quick value teaser – high contrast, compact --\u003e\n\u003cdiv style=\"background: #f8f9fa; border-radius: 10px; padding: 16px; margin-bottom: 28px; text-align: center; border: 1px solid #e0e0e0;\"\u003e\n\u003ch3 style=\"margin: 0 0 8px; font-size: 18px; color: #0ea5e9;\"\u003eBest Bang for the Buck\u003c\/h3\u003e\n\u003cp style=\"margin: 0; font-size: 15px;\"\u003eBolt-on + remote custom tune = huge gains, no shop time. Proven on real M274 cars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Bundle includes – pills with more padding for tap targets --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch2 style=\"font-size: 20px; margin: 0 0 16px; color: #0ea5e9; text-align: center;\"\u003eWhat's in the Bundle\u003c\/h2\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;\"\u003e\n\u003cli style=\"background: #ffffff; padding: 10px 18px; border-radius: 999px; border: 1px solid #0ea5e9; box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 14px;\"\u003eCatless downpipe (T304 SS, bolt-on)\u003c\/li\u003e\n\u003cli style=\"background: #ffffff; padding: 10px 18px; border-radius: 999px; border: 1px solid #0ea5e9; box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 14px;\"\u003eCustom remote ECU tune (no CEL, 91\/93 maps)\u003c\/li\u003e\n\u003cli style=\"background: #ffffff; padding: 10px 18px; border-radius: 999px; border: 1px solid #0ea5e9; box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 14px;\"\u003eOBD2-to-USB flashing cable\u003c\/li\u003e\n\u003cli style=\"background: #ffffff; padding: 10px 18px; border-radius: 999px; border: 1px solid #0ea5e9; box-shadow: 0 1px 3px rgba(0,0,0,0.08); font-size: 14px;\"\u003eGuides + lifetime support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Gains – punchy, benefit-led bullets --\u003e\n\u003cdiv style=\"margin-bottom: 32px;\"\u003e\n\u003ch2 style=\"font-size: 20px; margin: 0 0 16px; color: #0ea5e9; text-align: center;\"\u003eWhat You'll Feel\u003c\/h2\u003e\n\u003cul style=\"list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;\"\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003eUp to \u003cstrong\u003e320 HP \/ 340 TQ\u003c\/strong\u003e crank\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003e+45–80 hp \/ +60–100 lb-ft gains\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003eLightning throttle + fast spool ⚡\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003eThroatier exhaust, low drone\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003ePops \u0026amp; bangs on overrun (opt.)\u003c\/li\u003e\n\u003cli style=\"background: #f0f9ff; padding: 10px 18px; border-radius: 999px; border: 1px solid #bae6fd; font-size: 14px;\"\u003eHome flash in 30–60 min\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Fitment table – simplified for mobile (scrolls horizontally if needed, but fits most phones) --\u003e\n\u003cdiv style=\"margin-bottom: 28px;\"\u003e\n\u003ch2 style=\"font-size: 20px; margin: 0 0 16px; color: #0ea5e9; text-align: center;\"\u003eFitment\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; border-radius: 10px; border: 1px solid #e0e0e0;\"\u003e\n\u003ctable style=\"width: 100%; min-width: 320px; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: #f9f9f9;\"\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding: 12px; text-align: left;\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px; border-top: 1px solid #e0e0e0;\"\u003eC300 (W205)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-top: 1px solid #e0e0e0;\"\u003e2015–2021\u003c\/td\u003e\n\u003ctd style=\"padding: 12px; border-top: 1px solid #e0e0e0;\"\u003eM274 2.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px;\"\u003eE300 (W213)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e2016–2021\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eM274 2.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px;\"\u003eGLC300 \/ 4MATIC (X253)\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003e2016–2022\u003c\/td\u003e\n\u003ctd style=\"padding: 12px;\"\u003eM274 2.0T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 13px; color: #666; text-align: center; margin: 12px 0 0;\"\u003eU.S.-spec M274 only. Confirm engine code \u0026amp; exhaust.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Strong CTA + disclaimers --\u003e\n\u003cdiv style=\"text-align: center; margin: 32px 0 20px;\"\u003e\n\u003cp style=\"font-size: 13px; color: #555; font-style: italic; margin: 0;\"\u003ePro install \u0026amp; dyno check advised. Gains vary. Off-road\/race use only in strict emissions areas.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":46694164103343,"sku":null,"price":1795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m274-stage-2-bundle-c300-e300-glc300-catless-downpipe-ecu-tune-k_n-filter-dv-plus.jpg?v=1774210160","url":"https:\/\/benzunitedparts.com\/products\/w205-c300-stage-2-bundle-catless-downpipes-custom-ecu-tune","provider":"BenzUnited Parts","version":"1.0","type":"link"}