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| Mercedes-Benz M271 | |
|---|---|
 | |
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 2002–2015 |
| Layout | |
| Configuration | Straight-4 |
| Displacement | 1.6 L (1,597 cc) 1.8 L (1,796 cc) |
| Cylinder bore | 82 mm (3.23 in) |
| Piston stroke | 75.6 mm (2.98 in) 85 mm (3.35 in) |
| Cylinder block material | Cast aluminium |
| Cylinder head material | Aluminium |
| Valvetrain | DOHC 4 valves x cyl. and VVT |
| Combustion | |
| Supercharger | In some versions and intercooled |
| Turbocharger | In DE18LA (M271Evo, 271.8XX) |
| Fuel system | Sequential fuel injection Direct injection |
| Fuel type | Gasoline |
| Cooling system | Water cooled |
| Output | |
| Power output | 122–204 PS (90–150 kW; 120–201 hp) |
| Chronology | |
| Predecessor | Mercedes-Benz M111 engine |
| Successor | Mercedes-Benz M274 engine |
The Mercedes-Benz M271 engine is a straight-4 automobile piston engine family used in the 2000s (decade).
All M271 engines are built in Untertürkheim, Germany. The family has a cast aluminium engine block and aluminium DOHC cylinder heads with 4 valves per cylinder and variable valve timing and a coil-on-plug ignition system.