{"product_id":"stage-1-turbo-upgrade-mercedes-amg-c63-c63s-w205-m177","title":"Stage 1 Turbo Upgrade for Mercedes-AMG C63 \u0026 C63 S (W205) – M177 4.0L BiTurbo","description":"\u003cdiv style=\"max-width:900px;margin:auto;font-family:Arial,sans-serif;color:#222;line-height:1.65;\"\u003e\n\u003cdiv style=\"background:#111;border-radius:12px;padding:16px 18px;margin-bottom:16px;\"\u003e\n\u003ch2 style=\"margin:0;text-align:center;color:#fff;font-size:20px;\"\u003eStage 1 Turbo Upgrade — Mercedes-AMG C63 \u0026amp; C63 S (W205)\u003c\/h2\u003e\n\u003cp style=\"margin:8px 0 0;text-align:center;color:#ffcc00;font-size:14px;\"\u003eM177 4.0L V8 BiTurbo • OEM BorgWarner rebuild • Stock-like drivability\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eStage 1 Turbo Upgrade\u003c\/strong\u003e for the \u003cstrong\u003eW205 C63 and C63 S\u003c\/strong\u003e is built for owners who want a serious jump in power without giving up reliability or daily drivability. Built on \u003cstrong\u003eOEM BorgWarner rebuild kits\u003c\/strong\u003e, it delivers substantial wheel horsepower and torque gains while keeping factory-like response.\u003c\/p\u003e\n\u003cp\u003eThis is not an oversized race turbo or an experimental setup. It is a refined, proven Stage 1 solution for the \u003cstrong\u003eM177 4.0L V8 BiTurbo\u003c\/strong\u003e — ideal for aggressive street builds, tuned daily drivers and owners building toward more later.\u003c\/p\u003e\n\u003cdiv style=\"background:#eef3fa;border:1px solid #cfe0ff;border-radius:10px;padding:14px;margin:16px 0;\"\u003e\n\u003cstrong\u003eCore Deposit:\u003c\/strong\u003e a core deposit is required for your stock turbochargers unless you send your factory turbos in advance. Sending cores in advance is the lower price — choose the option that suits you above.\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e5e7eb;border-radius:12px;padding:14px;margin-bottom:16px;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:16px;\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:18px;\"\u003e\n\u003cli\u003eSignificant wheel horsepower and torque gains over the factory turbos\u003c\/li\u003e\n\u003cli\u003eOEM BorgWarner internals for long-term reliability\u003c\/li\u003e\n\u003cli\u003eImproved airflow and boost efficiency without extreme lag\u003c\/li\u003e\n\u003cli\u003eRetains the drivability that makes the C63 usable every day\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e5e7eb;border-radius:12px;padding:14px;margin-bottom:16px;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:16px;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:18px;\"\u003e\n\u003cli\u003eMercedes-AMG \u003cstrong\u003eC63\u003c\/strong\u003e (W205) — M177 4.0L V8 BiTurbo\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG \u003cstrong\u003eC63 S\u003c\/strong\u003e (W205) — M177 4.0L V8 BiTurbo\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin-top:10px;\"\u003eNot sure your car is covered? Send us your VIN and we will confirm before you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#fff3cd;border:1px solid #ffe69c;border-radius:10px;padding:14px;margin-bottom:16px;\"\u003e\n\u003cstrong\u003eImportant Wastegate Notice:\u003c\/strong\u003e\u003cbr\u003eIf your turbochargers arrive with wastegates fitted, \u003cstrong\u003edo not use the supplied wastegate units\u003c\/strong\u003e — their condition and calibration are not guaranteed. Reuse your factory wastegates for known, reliable operation.\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #e5e7eb;border-radius:12px;padding:14px;margin-bottom:16px;\"\u003e\n\u003ch3 style=\"margin:0 0 10px;font-size:16px;\"\u003eWhat These Turbos Need\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 10px;\"\u003eTuning is required; the factory calibration has no strategy for these turbos. The rest controls heat and airflow so the turbos deliver what they are capable of.\u003c\/p\u003e\n\u003cul style=\"margin:0;padding-left:18px;\"\u003e\n\u003cli\u003e\u003cstrong\u003e\u003ca style=\"color:#111;\" href=\"\/products\/m177-v8-biturbo-4-0l-custom-ecu-tuning-c63-glc63\"\u003eCustom ECU calibration\u003c\/a\u003e — required.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust:\u003c\/strong\u003e \u003ca style=\"color:#111;\" href=\"\/products\/mercedes-w205-c63-amg-m177-downpipes\"\u003ecatless downpipes\u003c\/a\u003e or \u003ca style=\"color:#111;\" href=\"\/products\/heat-shielded-catless-downpipes-mercedes-c63-c63s-w205-m177\"\u003eheat-shielded catless downpipes\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat management:\u003c\/strong\u003e \u003ca style=\"color:#111;\" href=\"\/products\/front-mount-auxiliary-heat-exchanger-bundle-i-w205-c63-amg-c63s\"\u003efront mount + auxiliary heat exchanger bundle\u003c\/a\u003e, \u003ca style=\"color:#111;\" href=\"\/products\/products-csf-auxiliary-radiators-c63-amg\"\u003eCSF auxiliary radiators\u003c\/a\u003e, \u003ca style=\"color:#111;\" href=\"\/products\/m177-amg-turbo-blanket-heat-shield-upgrade-for-c63-glc63-amg\"\u003eturbo blankets\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake:\u003c\/strong\u003e \u003ca style=\"color:#111;\" href=\"\/products\/c63-glc63-amg-3-intake-kit-m177-4-0l-v8-bi-turbo-c63s-glc63s\"\u003e3″ dual intake kit\u003c\/a\u003e or \u003ca style=\"color:#111;\" href=\"\/products\/c63-amg-c63s-intake-filter-spacer-kit-for-m177-4-0l-v8-biturbo\"\u003eintake filter spacer kit\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align:center;margin-top:16px;\"\u003e\u003ca style=\"background:#111;color:#fff;padding:12px 24px;text-decoration:none;border-radius:8px;font-weight:bold;\" href=\"\/collections\/c63-c63s-amg-w205-m177-upgrades\"\u003eView the full C63 range\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCore Return\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCore return required — remove your factory wastegate actuators before shipping\u003c\/li\u003e\n\u003cli\u003eThe core deposit is fully refunded once acceptable cores are received\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"color:#555;font-size:14px;\"\u003e\u003cstrong\u003eNeed help planning supporting mods?\u003c\/strong\u003e Send us your VIN and power target and we will map the build before you order.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Send us the core in advance","offer_id":46551907598511,"sku":null,"price":3495.0,"currency_code":"USD","in_stock":true},{"title":"Pay a core deposit","offer_id":46551907565743,"sku":null,"price":5000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m177-stage-1-turbo-upgrade-c63-amg-gt-900hp.jpg?v=1770726069","url":"https:\/\/benzunitedparts.com\/products\/stage-1-turbo-upgrade-mercedes-amg-c63-c63s-w205-m177","provider":"BenzUnited Parts","version":"1.0","type":"link"}