| Mercedes-Benz FO engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Ilmor-Mercedes (1993-2005) Mercedes (2006-2013) |
| Designer | Mario Illien |
| Production | 1993–2013 |
| Layout | |
| Configuration | 72°-90° V10; 90° V8 |
| Displacement | 3.5 L (3,499 cc) [1] 3.0 L (2,998 cc) 2.4 L (2,398 cc) |
| Cylinder bore | 86.6 mm (3.4 in) 92.2 mm (3.6 in) 93.5 mm (3.7 in) 95 mm (3.7 in) 98 mm (3.9 in) [2] |
| Piston stroke | 59.4 mm (2.3 in) 52.4 mm (2.1 in) 43.67 mm (1.7 in) 42.3 mm (1.7 in) 39.75 mm (1.6 in) |
| Combustion | |
| Fuel system | Electronic multi-point indirect fuel injection |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 690–930 hp (515–694 kW; 700–943 PS) |
| Torque output | 220–300 lb⋅ft (298–407 N⋅m) |
| Dimensions | |
| Length | 590 mm (23 in) [3] |
| Width | 485 mm (19.1 in) |
| Height | 472 mm (18.6 in) |
| Dry weight | 95–124 kg (209.4–273.4 lb) [4] |
| Chronology | |
| Successor | Mercedes-Benz V6 turbo-hybrid |
The Mercedes-Benz FO engine series (badged as a Sauber engine in 1993) [5] is a family of naturally-aspirated V8 and V10 racing engines, designed, developed and produced by Mercedes, in partnership and collaboration with Ilmor, for Formula One, and used between 1993 and 2013. [1] [4] Over years of development, engine power managed to increase, from 690 @ 15,600 rpm, to later 930 hp @ 19,000 rpm. [6] The customer engines were used by Sauber, McLaren, Brawn GP, and Force India.
