S63 AMG M156 ECU Tune

Unlock 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.

Developed 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 +22 horsepower and +35 ft-lbs of torque. When paired with the MBH Motorsports Long Tube Header system, the software unlocks an astonishing +60+ horsepower and +70 ft-lbs of torque, dramatically transforming acceleration and high-RPM pull.

Engineered Synergy & Refined Power

Power 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.

Key Features:

• Versatile Power Gains: Adds +22 HP / +35 TQ on stock exhaust, and surges to +60+ HP / +70 TQ when paired with MBH Long Tube Headers.

• Engineered Header Synergy: Specifically tailored to capitalize on the optimized scavenging and flow of MBH long tube headers.

• Sharper Throttle Response: Eliminates electronic pedal lag for instantaneous low-end punch and smoother power delivery.

• Dyno Proven: Extensively tested on the dyno to balance aggressive power output with luxury refinement.

• OEM Safeguards Retained: Maintains all factory engine protections, including knock control and thermal limiters.

Compatibility:

• Engine: Mercedes-AMG M156 6.2L Naturally Aspirated V8

• Chassis: Mercedes-Benz S63 AMG (W221)

Disclaimer: 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.