{"product_id":"gl550-biturbo-ecu-tune","title":"GL550 Biturbo ECU Tune","description":"\u003cp\u003eThe Mercedes GL550 is a highly capable luxury SUV, but the factory engine management on the M278 4.7L biturbo V8 intentionally holds back its true potential. The MBH Motorsports Performance ECU Tune is a comprehensive software recalibration designed to completely transform the way your Mercedes feels and drives. By optimizing the engine's parameters, this tune delivers a night-and-day difference in throttle response, acceleration, and overall drivability.\u003c\/p\u003e\n\u003ch4\u003eEffortless Power \u0026amp; Enhanced Utility\u003c\/h4\u003e\n\u003cp\u003eWhen paired with our high-flow downpipes, this advanced ECU calibration unleashes an impressive \u003cb\u003e80+ wheel horsepower\u003c\/b\u003e over stock. This massive injection of low-end torque and top-end power provides effortless towing capabilities and aggressive passing power. Additionally, by optimizing the air-fuel ratios and overall engine efficiency, this tune can actually yield an increase in fuel economy at light throttle—provided you can resist keeping your foot heavily on the gas.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMassive Power Gains:\u003c\/b\u003e Unlocks over \u003cb\u003e+80 WHP\u003c\/b\u003e when paired with MBH Motorsports downpipes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTransformative Dynamics:\u003c\/b\u003e Completely revitalizes throttle response and acceleration for a significantly more engaging driving experience.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEffortless Towing:\u003c\/b\u003e Greatly increases low-end torque to easily manage heavy trailers and payloads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eImproved Fuel Economy:\u003c\/b\u003e Optimized engine mapping can increase MPG during normal, conservative driving.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOEM Safeguards Retained:\u003c\/b\u003e Maintains all critical factory engine protections, thermal monitoring, and knock sensing for total reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngine:\u003c\/b\u003e Mercedes-Benz M278 4.7L V8 Biturbo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz GL550 (X166)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ci\u003eDisclaimer: For off-road racing and competition use only. This product is not intended or legal for installation on registered, licensed vehicles operated on public roads or highways.\u003c\/i\u003e\u003c\/p\u003e","brand":"MBH Motorsports","offers":[{"title":"Send in your ECU","offer_id":43346777210915,"sku":null,"price":985.0,"currency_code":"USD","in_stock":true},{"title":"Remote flash device (+$199)","offer_id":44195195912227,"sku":null,"price":1184.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/5122\/4611\/files\/ECU_new.jpg?v=1784570476","url":"https:\/\/mbhmotorsports.com\/products\/gl550-biturbo-ecu-tune","provider":"MBH Motorsports","version":"1.0","type":"link"}