Mercedes-Benz M 127
| Mercedes Benz | |
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| 2.3 liter M 127 II engine with six plunger injection pump in a right-hand drive 230 SL Cabriolet ("Pagoda") |
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| Manufacturer: | Mercedes Benz |
| Production period: | 1958-1967 |
| Design: | Inline six-cylinder |
| Combustion principle: | Otto |
| Engines: | 2.2 liters (2196 cm³) 2.3 liters (2307 cm³) |
| Previous model: | Mercedes-Benz M 180 |
| Successor: | M 114 / M 129 |
The Mercedes-Benz M127 is a six-cylinder - petrol engine from Mercedes-Benz with mechanical manifold injection , which was produced from 1958 to 1967.
The M 127 engine was derived from the M-180 carburetor engine and, like it, has a displacement of 2.2 liters . For use in the W113 Cabriolet ("Pagoden SL") it was enlarged to 2.3 liters and equipped with a six-piston injection pump (M 127 II).
properties
Six cylinders in line; Cast iron engine block ; Cylinder head made of cast aluminum ; an overhead camshaft in the cylinder head ( OHC valve timing ); two valves per cylinder; Camshaft drive duplex roller chain, mechanical Bosch intake manifold injection with map control for two parameters by means of copy-milled space cam ("potato"); Crankshaft with four main bearings
M127 (2.2 liter displacement)
Bore and stroke: 80 mm × 72.8 mm; Displacement: 2196 cm³; Compression ratio: 8.7: 1; Two-plunger injection pump with distributors; Maximum output: 115 hp at 4800 rpm (120 hp from August 1959); Maximum torque max: 186 Nm at 3800 / min (189 Nm at 3900 / min from August 1959);
Commitment:
- Mercedes-Benz 220 SE sedan (W128, "Ponton", 1958–1959)
- Mercedes-Benz 220 SE Coupe / Cabrio (W128, "Ponton", 1958–1960)
- Mercedes-Benz 220 SEb sedan (W111 "Heckflosse", 1959-1965)
- Mercedes-Benz 220 SEb Coupe / Cabriolet (W111C, 1961-1965)
M127 II (2.3 liter displacement)
In 1963, the M127 was drilled out and enhanced for use in the SL sports car. The bore was enlarged by 2 mm to 82 mm; thus the displacement increased from 2196 to 2306 cm³. Technical data of the M127 II motor:
Bore and stroke: 82 mm × 72.8 mm
Displacement: 2306 cm³
Six-piston injection pump
Compression ratio: 9.3: 1
Maximum power: 150 HP at 5500 / min
Maximum torque: 196 Nm at 4200 / min
Use: Mercedes-Benz 230 SL "Pagode" (1963–67)
literature
- Werner Oswald, Mercedes-Benz Passenger Cars 1886–1986 . Motorbuch Verlag, Stuttgart 1987. 4th edition. ISBN 3-613-01133-6
