Mercedes Benz

The most recent spy captures show a heavily-disguised test prototype of the future ML 63 AMG, prone to hit the showrooms in 2012, wandering outside the Nurburgring track facility in Germany. The muscle-SUV will be powered the new V8 biturbo powerplant, which boasts a total displacement of 5,5 liters and, specially for the new ML 63 AMG, is capable of delivering a maximum output of 571 BHP and a peak torque of 900 Nm. Check out more spy pics after the jump!