ML63 Biturbo ECU Tune

The Mercedes ML63 AMG is a heavyweight performance SUV with immense capability, but factory engine management significantly throttles what the twin-turbo M157 V8 can truly achieve. The MBH Motorsports Performance ECU Tune recalibrates the factory engine control unit to eliminate conservative restrictions, delivering hypercar-rivaling acceleration, sharper throttle dynamics, and ruthless passing power while preserving luxury refinement.

When paired with MBH Motorsports 3-inch high-flow downpipes, this software calibration capitalizes on the dramatically reduced exhaust backpressure to unleash staggering, dyno-proven gains of +140 wheel horsepower and +175 ft-lbs of wheel torque. The result is a commanding SUV that launches hard off the line and pulls relentlessly throughout the entire RPM band.

Please note: Exact performance results may vary based on environmental factors, ambient temperature, dyno type, fuel quality, and overall vehicle condition.

Refined Power & Engineered Reliability

Rather than relying on blunt increases in boost pressure, MBH calibrations comprehensively re-map ignition timing, air-fuel ratios, boost curves, and electronic throttle sensitivity. Turbo lag is virtually eliminated, yielding instantaneous pedal response when calling for power. Crucially, all OEM failsafes—including active knock detection, thermal thresholds, and oil/coolant protection limiters—remain fully intact to safeguard long-term engine durability under hard driving or heavy towing conditions.

Key Features:

• Supercar-Class Power Gains: Delivers an astounding +140 WHP and +175 WTQ over stock when paired with MBH Motorsports downpipes.

• Hardware Synergy: Specifically tuned to capitalize on the reduced exhaust backpressure and optimized scavenging of MBH 3-inch downpipes.

• Instant Throttle Dynamics: Eliminates factory pedal dead zones and lag for crisp, aggressive throttle response.

• OEM Safeguards Retained: Maintains all factory engine protections, thermal monitoring, knock sensing, and torque management routines.

• Top Speed Limiter Removal: Deactivates factory speed governors for unrestricted top-end performance on closed courses.

Compatibility:

• Engine: Mercedes-AMG M157 5.5L V8 Biturbo

• Chassis: Mercedes-Benz ML63 AMG (W166)

Tune Delivery Options

• Send in your ECU: Remove your ECU and ship it to MBH Motorsports. We load your tune in-house and send it back ready to reinstall.

• Remote flash device (+$199): No need to pull or ship your ECU. We ship you an OBD2 flash device and cable with step-by-step instructions, and you flash the tune to your ECU yourself, right from home. A laptop is required.

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.