{"product_id":"kth-stage-2-leistungssteigerung-mercedes-c63-s-glc63-s-amg","title":"KTH Stage 2 Upgrade: Mercedes C63 S \u0026amp; GLC63 S AMG (M177) ","description":"\u003c!-- ===================== SEO HEAD ===================== --\u003e\n\u003cp\u003e\u003c\/p\u003e\n\n\u003c!-- ===================== PRODUCT CONTENT ===================== --\u003e\n\u003cstyle\u003e\n  .kth-wrap{\n    --blue:#0b245b; --text:#111; --muted:#6b7280; --border:#e5e7eb;\n    font-family:\"Inter\",system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;\n    color:var(--text); line-height:1.6; max-width:900px; margin:0 auto; padding:2rem 1rem;\n  }\n  .kth-wrap h1{font-size:2rem;font-weight:700;color:var(--blue);margin-bottom:.5rem}\n  .kth-wrap h2{font-size:1.2rem;font-weight:600;color:var(--blue);margin-top:2rem;margin-bottom:.5rem}\n  .kth-lead{color:var(--muted);margin-bottom:1.5rem}\n  .kth-card{border:1px solid var(--border);border-radius:10px;padding:1rem 1.25rem;margin-top:.5rem}\n  .kth-list{margin:0;padding-left:1.25rem}\n  .kth-list li{margin-bottom:.35rem}\n  .kth-muted{color:var(--muted);margin-top:1rem;font-size:.9rem}\n  h2 {font-size: 32px !important;}\nh3 {font-size: 26px !important;}\n\u003c\/style\u003e\n\u003carticle class=\"kth-wrap\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\u003cheader\u003e\n\u003ch2 itemprop=\"name\"\u003e KTH Stage 2 – 640\u003cbr\u003e Mercedes-AMG C63 S \u0026amp; GLC63 S\u003c\/h2\u003e\n\n\u003cp class=\"kth-lead\"\u003e Enhanced performance optimization for the AMG 4.0 V8 Biturbo – consistently tuned, significantly more powerful and technically further developed.\u003c\/p\u003e\n\n\u003c\/header\u003e\n\u003csection\u003e\n\u003ch2\u003e Description\u003c\/h2\u003e\n\n\u003cp itemprop=\"description\"\u003e The KTH Stage 2 – 640 is aimed at drivers of a Mercedes-AMG C63 S or GLC63 S with a 4.0-liter V8 biturbo engine who want more than just software optimization. Through a combination of individual engine and transmission tuning, as well as targeted hardware modifications, a significantly increased and reliable \u003cstrong\u003eoverall performance\u003c\/strong\u003e is achieved.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Performance characteristics\u003c\/h2\u003e\n\n\u003cdiv class=\"kth-card\"\u003e\n\n\u003cul class=\"kth-list\"\u003e\n\n\u003cli\u003e Power output up to approximately \u003cstrong\u003e640 hp\u003c\/strong\u003e\n\n\u003c\/li\u003e\n\n\u003cli\u003e Noticeably increased torque\u003c\/li\u003e\n\n\u003cli\u003e Powerful, consistent performance\u003c\/li\u003e\n\n\u003cli\u003e Significantly improved responsiveness\u003c\/li\u003e\n\n \u003cli\u003eSuperior acceleration across the entire rev range\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Tuning \u0026amp; Driving Behavior\u003c\/h2\u003e\n\n\u003cdiv class=\"kth-card\"\u003e\n\n\u003cul class=\"kth-list\"\u003e\n\n\u003cli\u003e Individual tuning of the engine software\u003c\/li\u003e\n\n\u003cli\u003e Optimized transmission software for faster and more precise gear changes\u003c\/li\u003e\n\n\u003cli\u003e Clean throttle response without power spikes\u003c\/li\u003e\n\n\u003cli\u003e Harmonious balance despite significantly increased performance\u003c\/li\u003e\n\n\u003cli\u003e Suitable for everyday use and controllable driving characteristics\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Components \u0026amp; Scope\u003c\/h2\u003e\n\n\u003cdiv class=\"kth-card\"\u003e\n\n\u003cul class=\"kth-list\"\u003e\n\n\u003cli\u003e Individual tuning of the engine software\u003c\/li\u003e\n\n\u003cli\u003e Transmission software optimization\u003c\/li\u003e\n\n\u003cli\u003e BlackBoost Cold Air Intake\u003c\/li\u003e\n\n\u003cli\u003e BlackBoost FTA Diverter for M177 \/ M178 \/ M276\u003c\/li\u003e\n\n\u003cli\u003e Modification of the original downpipes including 200-cell sports catalytic converters\u003c\/li\u003e\n\n\u003cli\u003e High-performance spark plugs\u003c\/li\u003e\n\n\u003cli\u003e Professional assembly of all components\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Area of ​​application\u003c\/h2\u003e\n\n\u003cp class=\"kth-muted\"\u003e Ideal for performance-oriented drivers seeking a significant performance increase with high-quality technology and a well-balanced overall package – for both sporty road driving and ambitious performance setups.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003e Notes\u003c\/h2\u003e\n\n\u003cp class=\"kth-muted\"\u003e \u003cstrong\u003eRacing equipment\u003c\/strong\u003e – ​​not approved for use on public roads. \u003cbr\u003eExclusively for motorsport and export vehicles. Not approved for public road use. Tuning is done individually for each vehicle.\u003c\/p\u003e\n\n\u003c\/section\u003e\n\u003cp class=\"kth-muted\"\u003e © Kraftfahrzeug Technik Hannover (KTH)\u003c\/p\u003e\n\n\u003c\/article\u003e","brand":"KTH Onlineshop","offers":[{"title":"Default Title","offer_id":56761442894149,"sku":"KTHS2M177C63","price":7999.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/7786\/1189\/files\/KTHStageX.png?v=1769445568","url":"https:\/\/kthshop.de\/en\/products\/kth-stage-2-leistungssteigerung-mercedes-c63-s-glc63-s-amg","provider":"KTH Shop","version":"1.0","type":"link"}