Top speed info: AMG E60 displ. 5956 cc - 363 CI (+983 cc) 63.5 hp per liter 381 hp - 280 kW (+55 hp) @ 5500 rpm 580 Nm (+100 Nm) @ 3750 rpm 0 - 100 km 5.4 sec 250 km (limiter) (156mph) Carlsson E60 displ. 6207 cc - 379 CI (+1234 cc) 70.8 hp per liter 425 hp - 313 kW (+99 hp) @ 5600 rpm 620 Nm (+140 Nm) @ 3700 rpm 0 - 100 km 5.4 sec 276 km/h (172mph) Brabus E60 displ. 5956 cc - 363 CI (+983 cc) 68.0 hp per liter 408 hp - 300 kW (+82 hp) @ 5600 rpm 604 Nm (+124 Nm) @ 3800 rpm 0 - 100 km 5.3 sec 282 km/h (176mph) RENNtech E60 displ. 6000 cc - 366 CI (+1027 cc) 73.3 hp per liter 440 hp - 326 kW (+114 hp) @ 6000 rpm 608 Nm (+128 Nm) @ 4500 rpm 0 - 100 km 4.4 sec 290 km/h (181mph) Stock 4.2L ========== 262hp = 62.4 hp per liter (10:1 compression) 275hp = 65.5 hp per liter (11:1 compression) 282hp = 67.1 hp per liter (11:1 compression) 289hp = 68.8 hp per liter (11:1 compression, w/ WOT enrichment) Stock 5.0L ========== 315hp = 63.0 hp per liter (10:1 compression) 322hp = 64.4 hp per liter (10:1 compression) 6.0L ========== 381hp = 63.5 hp per liter (10:1 compression)