The Mercedes-Maybach GLS 600 ditches the V12 powerplant. Sad times. In its place is the 4.0 litre V8, tuned to produce 558 hp and 730 Nm of torque. Top speed is limited to 250 km/h with a 100 km/h sprint time of 4.9 seconds. The power is delivered through a 9-speed automatic transmission.