{"product_id":"s63-amg-m156-ecu-tune","title":"S63 AMG M156 ECU Tune","description":"\u003cp\u003eUnlock the true capability of your high-performance flagship with the MBH Motorsports S63 AMG Performance ECU Tune. Whether you want a responsive standalone power bump or aim to extract the absolute maximum from a full bolt-on setup, this custom software calibration delivers immediate, dyno-proven results.\u003c\/p\u003e\n\u003cp\u003eDeveloped through countless hours of rigorous dyno development and data logging, our ECU recalibration optimizes fuel mapping, ignition timing, and throttle dynamics. As a standalone tune on a factory exhaust, expect solid gains of \u003cb\u003e+22 horsepower and +35 ft-lbs of torque\u003c\/b\u003e. When paired with the MBH Motorsports Long Tube Header system, the software unlocks an astonishing \u003cb\u003e+60+ horsepower and +70 ft-lbs of torque\u003c\/b\u003e, dramatically transforming acceleration and high-RPM pull.\u003c\/p\u003e\n\u003ch4\u003eEngineered Synergy \u0026amp; Refined Power\u003c\/h4\u003e\n\u003cp\u003ePower means nothing without drivability. This tune sharpens throttle response and eliminates flat spots across the rev range, giving the heavy S-Class chassis an immediate, effortless surge of acceleration off the line. All calibrations are developed with long-term reliability in mind, preserving factory safety buffers, knock detection, and thermal protection protocols so you can drive aggressively with complete peace of mind.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVersatile Power Gains:\u003c\/b\u003e Adds \u003cb\u003e+22 HP \/ +35 TQ\u003c\/b\u003e on stock exhaust, and surges to \u003cb\u003e+60+ HP \/ +70 TQ\u003c\/b\u003e when paired with MBH Long Tube Headers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEngineered Header Synergy:\u003c\/b\u003e Specifically tailored to capitalize on the optimized scavenging and flow of MBH long tube headers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSharper Throttle Response:\u003c\/b\u003e Eliminates electronic pedal lag for instantaneous low-end punch and smoother power delivery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDyno Proven:\u003c\/b\u003e Extensively tested on the dyno to balance aggressive power output with luxury refinement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eOEM Safeguards Retained:\u003c\/b\u003e Maintains all factory engine protections, including knock control and thermal limiters.\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-AMG M156 6.2L Naturally Aspirated V8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis:\u003c\/b\u003e Mercedes-Benz S63 AMG (W221)\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":"Default Title","offer_id":43346790154275,"sku":null,"price":585.0,"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\/s63-amg-m156-ecu-tune","provider":"MBH Motorsports","version":"1.0","type":"link"}