Custom ECU Tuning for M157 5.5L AMG V8 BiTurbo E63 CLS63 S63 CL63 ML63

Up to ~720 HP / ~780 lb-ft with a custom ECU calibration for the Mercedes-AMG M157 5.5L BiTurbo V8.

Our ECU tuning service for the Mercedes-AMG M157 5.5L BiTurbo V8 is built for owners who want substantial, repeatable performance gains without sacrificing drivability or factory safety logic. The calibration focuses on optimized boost control, refined torque delivery, and improved throttle response while retaining OEM safeguards.

💥 Why Tune the M157?

• Significant real-world gains: Increased boost efficiency and torque output across the usable RPM range.
• OEM safety strategies retained: Knock control, thermal protection, and torque monitoring remain active.
• Improved response: Faster turbo spool and stronger mid-range acceleration.
• Smooth daily drivability: Refined throttle behavior during normal driving.
• Built for longevity: Calibrated with conservative margins for heat and fuel quality.

📈 Expected Performance

• Stock Output: ~577 HP / ~664 lb-ft (crank)
• Tuned Output: Up to ~720 HP / ~780 lb-ft (crank)
• Fuel: 93 octane recommended
• Supporting Mods: Intake and downpipes strongly recommended for best results

Results vary based on fuel quality, altitude, vehicle condition, and supporting hardware.

🚘 Compatible Vehicles (M157)

• Mercedes-AMG E63 (2012–2016)
• Mercedes-AMG CLS63 (2012–2018)
• Mercedes-AMG S63 (2011–2017)
• Mercedes-AMG CL63 (2011–2014)
• Mercedes-AMG ML63 (2012–2015)
• Mercedes-AMG GLE63 (2015–2019)
• Mercedes-AMG GL63 (2012–2016)
• Mercedes-AMG GLS63 (2016–2019)
• Mercedes-AMG G63 (2013–2018)
• Mercedes-AMG SL63 (2012–2019)

🔧 How the Process Works

1. Complete your purchase.
2. We provide the required data cable and instructions.
3. You read your stock ECU file and send it to us.
4. Your custom calibration is built and delivered for flashing.

This is a custom ECU tuning service. Each calibration is built for your vehicle configuration.

🔩 Recommended Supporting Mods

• High-flow or catless downpipes
• Upgraded intake system
• Improved cooling (heat exchangers) for sustained performance

Contact Us to Get Started

⚠️ For off-road use only where permitted. ECU tuning may affect emissions compliance.