{"product_id":"2012-2015-mercedes-gl450-gl550-performance-ecu-tune-w166","title":"2012-2015 Mercedes GL450\/GL550 Performance ECU Tune | W166","description":"\u003cp\u003e\u003cstrong\u003e2012-2015 Mercedes GL450\/GL550 Performance ECU Tune | W166: Unlock Your Vehicle's True Potential\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eExperience a transformative driving experience with EPC Performance's expertly engineered ECU tune, designed to optimize your vehicle's performance, power, and responsiveness. With this upgrade, you'll enjoy immediate throttle input, stronger and more consistent torque delivery, and a sharper powerband that pushes your car harder, longer, and more efficiently.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat You Get:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 2012-2015 Mercedes GL450\/GL550 4.7L Twin Turbo V8 M278 Engine (W166 X166)\u003c\/li\u003e\n  \u003cli\u003eDownpipe readiness with check engine light suppression (for off-road use only)\u003c\/li\u003e\n  \u003cli\u003eEnhanced exhaust acoustics with extended or adjustable burble\u003c\/li\u003e\n  \u003cli\u003eFactory speed governor removal for unrestricted performance\u003c\/li\u003e\n  \u003cli\u003eOctane-specific calibration tailored to your fuel quality\u003c\/li\u003e\n  \u003cli\u003eCold start behavior fully configurable (On\/Off)\u003c\/li\u003e\n  \u003cli\u003e100% Reversible, always able to go back to stock at any time\u003c\/li\u003e\n  \u003cli\u003eStage 1 (Factory Downpipes) \u0026amp; Stage 2 (EPC Performance Downpipes) Tuning available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExperience a 60 HP increase and 60 TQ increase with this performance ECU tune, designed to deliver exceptional driving dynamics and unparalleled performance.\u003c\/p\u003e","brand":"EuroPrismCo","offers":[{"title":"Default Title","offer_id":67532316147926,"sku":"MB-W166-1050-A","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/0301\/7430\/files\/mb_1220_w166_tune_b-1.jpg?v=1791067986","url":"https:\/\/europrismco.com\/products\/2012-2015-mercedes-gl450-gl550-performance-ecu-tune-w166","provider":"EuroPrismCo","version":"1.0","type":"link"}