Mercedes-AMG G63 (W465) MY2025: Breaking the 800hp Barrier – Going Stage 2
Mercedes-AMG G63 (W465) MY2025: Breaking the 800hp Barrier – Going Stage 2!
The ultimate Mercedes SUV just got a massive power upgrade. After a long time in development and having successfully done ecu unlocking that permits it, we have officially developed our custom Stage 2 performance package for the latest Mercedes-AMG G63 (W465) MY2025. The tune is transforming its high-tech V8 Bi-turbo engine into an absolute beast.In similar manner to the older 4.0TT engine types, this one has great tuning potential. On top of it, a new electric assistance system: an almighty gas engine with even more help from a battery!

Performance Figures
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Power: Stock 585hp ➡️ Custom 800hp on Etuners Stage2
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Torque: Stock 850Nm ➡️ Massive 1000Nm on Etuners Stage2
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Sound: Added custom crackles for a deeper, more aggressive exhaust note.
What is Included in the Stage 2 Package?
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Custom ECU Calibration: Tailored to perfectly integrate with the MY2025 hybrid assistance system. The hybrid assistance system was added onto the 4.0 motor to improve low end torque and exhaust emissions. Gasoline and battery power blending together for smooth, seamless performance.
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Exhaust System Upgrade: High-flow downpipes to unlock maximum exhaust flow and a fierce V8 rumble. The stock system is very muffled, not much sound escapes.
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Reliability First: Engineered to deliver safe, consistent power without compromising engine longevity. Can work with a variety of fuel qualities to cover as low as 95RON.
Feel the Difference Throttle response is instant. Power delivery is relentless across the entire RPM range. The exhaust note now finally matches the wild character of the G-Wagon. Ready to transform your G63 with us? 📩 Contact us today to book your appointment or to get a personalized quote!
Category:
Date:
25/08/2026


