GLE63 GLE63 Coupe Biturbo ECU Tune

The Mercedes-AMG GLE63 Biturbo is a heavyweight luxury powerhouse, combining aggressive styling with serious utility. However, conservative factory engine management significantly restricts what the M157 5.5L twin-turbo V8 can truly achieve. The MBH Motorsports Performance ECU Tune recalibrates the factory engine control unit to eliminate conservative factory restrictions, delivering hypercar-rivaling acceleration, sharper throttle dynamics, and ruthless passing power without sacrificing luxury and refinement.

When paired with MBH Motorsports 3-inch high-flow downpipes, this software calibration takes full advantage of the drastically lowered exhaust backpressure to unleash staggering, dyno-proven gains of +140 wheel horsepower and +175 ft-lbs of wheel torque. The result is a commanding performance SUV that launches aggressively off the line and pulls relentlessly throughout the entire rev 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 optimize 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 calibrated to capitalize on the reduced exhaust backpressure and optimized scavenging of MBH 3-inch downpipes.

• Instant Throttle Dynamics: Eliminates factory pedal dead zones and turbo 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 GLE63 AMG / GLE63 S AMG (W166 SUV / C292 Coupe)

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.