Mercedes-Benz M114 engine
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| Mercedes-Benz M114 | |
|---|---|
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 1967–1972 |
| Layout | |
| Configuration | straight-six |
| Displacement | 2,497 cc (152.4 cu in) |
| Cylinder bore | 82 mm (3.23 in) |
| Piston stroke | 78.8 mm (3.10 in) |
| Cylinder block material | Grey iron |
| Cylinder head material | Aluminium |
| Valvetrain | SOHC, 2 valves per cylinder |
| Combustion | |
| Fuel system | Dual two-barrel Zenith 35/40 INAT carburetors or Bosch D-Jetronic fuel injection system |
| Fuel type | Gasoline |
| Cooling system | Water-cooled |
| Output | |
| Power output | 96 kW (129 bhp; 131 PS) |
| Torque output | 199 N⋅m (147 lb⋅ft) |
| Chronology | |
| Predecessor | M108 |
| Successor | M110 |
The Mercedes-Benz M114 is a straight-six single overhead camshaft gasoline powered automobile engine with dual two-barrel Zenith 35/40 INAT carburetors or with Bosch D-Jetronic fuel injection system. The engine has a displacement of 152.4 cu in (2,497 cc), develops 96 kW (129 bhp; 131 PS), and has a maximum engine speed of 6300 rpm[1] with a 9:1 compression ratio.
The M114 features a single overhead camshaft (SOHC) valvetrain operating two valves per cylinder, with a cast-iron cylinder block and an aluminium alloy cylinder head. In fuel-injected form, the engine used Bosch D-Jetronic electronic fuel injection, which provided more precise fuel metering and throttle response than contemporary carbureted systems.[1]
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