Complex sentence: Output is 493 hp (368 kW) (469 hp for the E55 AMG) at 6100 rpm with 516 ft.lbf (700 Nm) of torque at 2750-4000 rpm.
Split into simpler sentences: Output is 493 hp (469 hp for the E55 AMG). Torque is (368 kW) at 6100 rpm with 516 ft.lbf (700 Nm) of torque at 2750-4000 rpm.