Mercedes M127 Petrol Engine Manuals

Mercedes Benz six-cylinder M127 2.2 Liter 2196cc and 2.3 Liter 2306cc M 127 II with injection pump petrol engines were produced from 1958 to 1967.

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Download: Mercedes Benz M127 Engine Service Manual

Mercedes M127 Engine Repair Manual
Application: W111, W113, W128
Download: 86.9mb, 911 pages
Format: .pdf document

USD $19.95

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See Multi Unit Engine Manual Applications M108, M127, M129, M189

M127 Engine Technical Data

The Mercedes-Benz M127 is a six-cylinder petrol engine with mechanical manifold injection.

The M127 engine was derived from the M-180 gasoline engine and had a 2.2 liter displacement but was enlarged to 2.3 liters and equipped with a six-piston injection pump (M 127 II variant) for use in the W113 230SL convertible (Pagoden) sports car.

Mercedes M127 Engine Variants

M127 (2.2 liter displacement)
M127 II (2.3 liter displacement)

The Mercedes-Benz M127 engine featured a 6-cylinders inline cast iron engine block with four crankshaft main bearings and cast aluminum cylinder head with overhead camshaft (OHC valve control) including two valves per cylinder. The camshaft drive used a duplex roller timing chain with mechanical Bosch intake manifold fuel injection system.

M127 (2.2 Liter Displacement)

The M127 2.2 liter 2196 cc displacement variant had a bore of 80 mm and stroke of 72.8 mm with a compression ratio of 8.7: 1. Couples with its two-stroke injection pump distributors it produced a maximum output of 115 hp at 4800 rpm (120 hp from August 1959). Maximum torque 186 Nm at 3800 rpm (189 Nm at 3900 rpm from August 1959).

2.2L Applications:

Mercedes-Benz W128 220 SE Sedan ("Ponton", 1958-1959)
Mercedes-Benz W128 220 SE Coupe / Convertible ("Ponton", 1958-1960)
Mercedes-Benz W111 220 SEb Sedan (]"Heckflosse", 1959-1965)
Mercedes-Benz W111 C111 220 SEb Coupe / Cabriolet (1961-1965)

M127 II (2.3 Liter Displacement)

In 1963, the M127 bore was increased by 2 mm to 82 mm with a stroke of 72.8 mm to increased its performance for use in the W113 230SL sports car. This increased the displacement from 2196 to 2306 cc as it was being used with a six-pack injection pump that added to the performance for a compression ratio of 9.3: 1, with maximum 150 hp at 5500 rpm and maximum torque of 196 Nm at 4200 rpm.

2.3L Application:

Mercedes-Benz W113 230SL Roadster Convertible 1958-1967

M127 Engine Applications Chart

Mercedes M127 Vehicles 1958-1967
Series	Chassis	Model	Years	Engine	hp
W111	111.014	220SEb	1959-1965	127.982	120
W111	111-021	220SEb	1960-1965	127.984	120
W113	113.042	230SL	1963-1967	127.981	150
W128	128.010	220SE	1958-1960	127.980	115
W128	128.030	220SE	1958-1950 1959-1960	127.980 127.983	115 120
W128	128.037	220SE	1958-1959 1959-1960	127.980 127.983	115 120

Engines Covered in this Multi Unit Manual

While this multi unit manual covers all engines listed here, it is recommended that the linked manuals below be used for those specific motors