{"product_id":"custom-ecu-tune-for-m112-v6-ml350-s350-sl350","title":"ECU Tuning for Mercedes M112 E37 3.7L V6 – ML350, S350, SL350","description":"\u003cdiv style=\"font-family: 'Arial', sans-serif; padding: 30px; background-color: #f7f7f7; border: 1px solid #e0e0e0; border-radius: 10px; max-width: 800px; margin: auto; color: #333;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003ch2 style=\"font-size: 22px; color: #2c3e50; margin-bottom: 10px;\"\u003eWake Up Your Mercedes 3.7L V6\u003c\/h2\u003e\n\u003ch1 style=\"font-size: 28px; color: #1a252f; margin: 0;\"\u003eML350 · S350 · SL350\u003c\/h1\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 17px; line-height: 1.8; margin-top: 30px; text-align: center; color: #2c3e50;\"\u003eTired of the numb, laggy throttle in your M112 E37? Our precision ECU calibration delivers \u003cstrong\u003estronger mid-range torque\u003c\/strong\u003e, sharper response, and a far more connected driving feel—while keeping your Mercedes reliable and dealer-friendly.\u003c\/p\u003e\n\u003cdiv style=\"background-color: #ffffff; border: 1px solid #ddd; border-radius: 8px; padding: 25px; margin-top: 25px;\"\u003e\n\u003ch3 style=\"color: #2c3e50; text-align: center;\"\u003e🔥 Real-World Performance Gains\u003c\/h3\u003e\n\u003cul style=\"font-size: 17px; color: #333; padding-left: 20px; line-height: 1.7;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to +20 HP and +20 TQ\u003c\/strong\u003e (premium fuel, healthy engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Output:\u003c\/strong\u003e 232 HP @ 5,750 rpm \/ 255 TQ @ 3,000–4,500 rpm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"font-size: 14px; color: #555; text-align: center; margin-top: 12px;\"\u003eExpect noticeably quicker 50-80 mph passing, crisper throttle response off the line, and smoother power delivery throughout the rev range.\u003c\/p\u003e\n\u003cp style=\"font-size: 13px; color: #777; margin-top: 15px; text-align: center;\"\u003eThe E37’s 97 mm bore and 10.0:1 compression ratio respond exceptionally well to optimized ignition timing, fueling, and throttle mapping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"color: #2c3e50; margin-top: 35px; text-align: center;\"\u003e✔️ Why Owners Love Our M112 Tune\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; color: #333; padding-left: 22px; line-height: 1.75;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstant Pedal Response\u003c\/strong\u003e — Eliminates factory lag for a more engaging, linear drive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Safety Systems Fully Retained\u003c\/strong\u003e — OEM knock, thermal, and emissions protections remain active.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Daily Driving \u0026amp; Longevity\u003c\/strong\u003e — Refined torque curve that’s strong yet smooth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDealer-Safe \u0026amp; Reversible\u003c\/strong\u003e — Discreet calibration that won’t raise flags during service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #2c3e50; margin-top: 35px;\"\u003e🔧 Simple Bench Flash Process\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; color: #333; padding-left: 22px; line-height: 1.7;\"\u003e\n\u003cli\u003eMail your ECU to us → We read, custom calibrate, and flash it on the bench.\u003c\/li\u003e\n\u003cli\u003eShipped back to you ready to install — plug-and-play in most cases.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional:\u003c\/strong\u003e Pair with a high-flow intake for even better mid-range gains (contact us).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #2c3e50; margin-top: 35px;\"\u003e📌 Supported Models (M112 E37 3.7L)\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 16px; color: #333;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f0f0f0; color: #2c3e50;\"\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\"\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eML350\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2001–2004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS350\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2002–2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eS350 4MATIC\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2002–2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003eSL350\u003c\/td\u003e\n\u003ctd style=\"padding: 10px; border: 1px solid #ddd;\"\u003e2001–2006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background-color: #2c3e50; color: white; padding: 28px; border-radius: 10px; text-align: center; margin-top: 35px;\"\u003e\n\u003ch3 style=\"font-size: 24px; margin: 0 0 12px 0;\"\u003eBring Your E37 Back to Life\u003c\/h3\u003e\n\u003cp style=\"font-size: 17px; margin: 0 0 20px 0;\"\u003eExperience the responsive, torquey drive your 3.7L Mercedes was always capable of delivering.\u003c\/p\u003e\n\u003cp style=\"font-size: 18px; font-weight: bold; margin: 0;\"\u003eOrder Today – Limited Bench Flash Slots Each Week\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"text-align: center; font-size: 14px; color: #777; margin-top: 25px;\"\u003eQuestions? Email us at \u003ca href=\"mailto:benzunitedparts@gmail.com\" style=\"color: #2980b9; text-decoration: underline;\"\u003ebenzunitedparts@gmail.com\u003c\/a\u003e\u003cbr\u003eWe reply fast and are happy to help with fitment or process questions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BenzUnited Parts","offers":[{"title":"Default Title","offer_id":45763235283119,"sku":"BU-M112-TUNE-37","price":699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0631\/8718\/9935\/files\/m112-v6-mercedes-ecu-tuning-upgrade.jpg?v=1742985820","url":"https:\/\/benzunitedparts.com\/products\/custom-ecu-tune-for-m112-v6-ml350-s350-sl350","provider":"BenzUnited Parts","version":"1.0","type":"link"}