R CLASS  >2011
Engine	Original Power	Stage 1	Difference	Vmax
320 (3.0T)	202 kW (275 hp) 400Nm	309 kW (420 hp) 550Nm	148 hp	✓
400 EU6 (3.0T)	245 kW (333 hp) 480Nm	294 kW (400 hp) 580Nm	67 hp	✓