Custom ECU Tuning for M157 5.5L V8 BiTurbo – E63, CLS63, S63, CL63, G63, SL63, GL63, ML63, GLE63, GLS63

Gain up to 720 HP and 780 lb-ft with our precision ECU calibration.*

Unleash brutal performance and unmatched drivability with our custom ECU tuning for the Mercedes M157 5.5L BiTurbo engine. Designed to deliver massive gains while retaining factory reliability, this tune transforms your AMG into a true powerhouse.

💥 Why Choose Our M157 Tune?

• +120+ HP / +160+ lb-ft Gains: Our tuning exceeds Eurocharged and Weistec by 3% with supporting hardware.
• Preserved OEM Safety Limits: We leave factory protections intact for peace of mind.
• Sharper Boost & Response: Boost targets optimized for minimal lag and stronger low-end pull.
• Undetectable by Dealers: Flashed using OEM tuning tools and checksum correction.
• Fully Customizable: Options for burble tune, exhaust setup, fuel type (91–100 octane), and more.

📌 Compatible Models

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

🔧 How It Works

We safely extract your ECU’s factory software and reprogram it with performance-optimized parameters. This includes changes to ignition, boost, torque limits, and fueling—applied using factory-calibrated tools for maximum reliability and stealth.

🎯 Proven Results

• Stock: ~577 HP / 664 lb-ft
• Our Tune: ~720 HP / 780 lb-ft*
• Increase: +143 HP / +116 lb-ft

*Results based on 93 octane fuel and supporting hardware. Individual results may vary.

📞 Questions?

We're here to help. Contact us with any questions or to get started on your custom AMG tune.