M CLASS  >2005
Engine	Original Power	Stage 1	Difference	Vmax
500 (5.0i)	225 kW (306 hp) 460Nm	240 kW (326 hp) 485Nm	20 hp	✓
500 (5.5i)	285 kW (388 hp) 530Nm	408 kW (408 hp) 570Nm	20 hp	✓
ML 63 AMG	375 kW (510 hp) 630Nm	393 kW (535 hp) 660Nm	25 hp	✓
ML 280 CDI	140 kW (190 hp) 440Nm	191 kW (260 hp) 600Nm	70 hp	✓
ML 320 CDI	165 kW (224 hp) 510Nm	191 kW (260 hp) 600Nm	36 hp	✓
ML 420 CDI	225 kW (306 hp) 700Nm	257 kW (350 hp) 810Nm	44 hp	✓