Mercedes-Benz M291 engine

Mercedes-Benz M291
Overview
Manufacturer Mercedes-Benz
Production1991-1992
Layout
Configuration180° V-12
Displacement3.5 L (214 cu in)
Cylinder bore86 mm (3.4 in)
Piston stroke50.1 mm (1.97 in)
Valvetrain48-valve, DOHC, four-valves per cylinder
Combustion
Fuel systemFuel injection
Oil systemDry sump
Output
Power output550–718 hp (410–535 kW)
Torque output400 N⋅m (300 lb⋅ft)

The Mercedes-Benz M291 engine is a 3.5-liter flat-12 racing engine, designed, developed and produced by Mercedes-Benz, for their Group C racing program. It was introduced in 1991, along with their new Mercedes-Benz C291 prototype race car chassis.