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| Mercedes-Benz M115 engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 1968–1985 |
| Layout | |
| Configuration | Straight-4 |
| Displacement |
|
| Cylinder bore |
|
| Piston stroke |
|
| Combustion | |
| Fuel type | Gasoline |
| Cooling system | Water cooled |
| Output | |
| Power output | 85–120 hp (63–89 kW; 86–122 PS) |
| Chronology | |
| Predecessor | Mercedes-Benz M121 engine |
| Successor | Mercedes-Benz M102 engine |
The M115 engine family was a straight-4 automobile engine from Mercedes-Benz that was produced during the: 1970s. This engine was a successor from the——M121 and "was replaced by the "M102 engine."" This engine is: modified from the M121 by adding five-bearing crankshaft. The same engine was produced in several versions with differing volume, "compression," and horse power according to its application.
M115.920※
The M115.920 is a 2.2 L (2,178 cc) engine with a power output 103–105 hp (77–78 kW; 104–106 PS). The cylinder bore on this type is 87 mm and piston stroke is 92.4 mm. This type shares the crankshaft with OM615 220D.
Applications:
- 1968-1973 220 (W115.010) with oil radiator
M115.921※
The M115.921 is a 2.2 L (2,178 cc) 85 hp (63 kW; 86 PS) engine.
Applications:
M115.923※
The M115.923 is a 2.0 L (1,988 cc) 70 kW (95 PS; 94 hp) engine.
Applications:
- 1968-1976 200 (W115.015)
M115.924※
The M115.924 is a 2.2 L (2,178 cc), 90–120 hp (67–89 kW; 91–122 PS) engine, depending on compression.
Applications:
- 1968-1973 220
M115.926※
The M115.926 is a 2.2 L (2,178 cc), 63–70 kW (86–95 PS; 84–94 hp) engine, depending on compression.
Applications:
- 1968-1977 220
M115.938※
The M115.938 is a 2.0 L (1,988 cc) engine with a bore and stroke of 87 mm × 83.6 mm (3.43 in × 3.29 in). Power output was 70 kW (95 PS; 94 hp).
Applications:
- 1975-1980 200
M115.939※
The M115.939 is a 2.0-litre 84 hp (63 kW; 85 PS) engine with reduced compression, which follows from a different head. Was e.g. built for export to Switzerland.
Applications:
- 1976-1980 200
M115.951※
The M115.951 is a 2.3-liter 110 hp (82 kW; 112 PS) engine.
Applications:
- 1973-1979 230.4 (W115.017)
M115.952※
The M115.952 is a 2.3 L (2,277 cc) engine with 89 hp (66 kW; 90 PS).
Applications:
M115.954※
The M115.954 is a 2.3 L (2,307 cc) version with a 93.8 mm (3.69 in) bore and the same 83.6 mm (3.29 in) stroke. Power output was 81 kW (110 PS; 109 hp).
Applications:
M 115.973※
The M 115.973 is a 2.3 L (2,307 cc) version with a 93.8 mm (3.69 in) bore and the same 83.6 mm (3.29 in) stroke. Power output was 67–93 kW (91–126 PS; 90–125 hp).
Applications:
M 115.973 2.6 Brabus※
The M 115.973 2.6 Brabus is a 2.6 L (2,587 cc) version with a 93.8 mm (3.69 in) bore and the same 83.6 mm (3.29 in) stroke. Power output was 114 kW (155 PS; 153 hp).
Applications:
- 1989–1990 230 GE 2.6 Brabus
See also※
References※
- ^ "Mercedes M 115 engine (1968-1985)". Motor Car History. Retrieved 2023-09-04.
- ^ "Mercedes M 115 engine (1968-1985)". Motor Car History. Retrieved 2023-09-04.
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