The head of Mercedes-AMG, Tobias Moers, states that the engine will be at 1,280 rpm when idle, and at 11,000 rpm when at its redline limit.[13] However, the engine will only last for 50,000 km (31,000 mi) and the owners will have to return their cars for engine refurbishment.[14] The ICE produces 558 kW (759 PS; 748 hp), with torque figures still unknown.[15]