History
Mercedes-Benz M127 petrol engine
| Mercedes Benz | |
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| Manufacturer: | Mercedes Benz |
| Production period: | 1958-1967 |
| Style: | Line 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 engine M 127 was derived from the M-180 gasoline engine and has like this 2.2 liter displacement . For use in the W113 convertible ("Pagoden-SL") it was enlarged to 2.3 liters and equipped with a six-piston injection pump (M 127 II).
Six cylinders in series; Cast iron engine block ; Cylinder head made of cast aluminum ; an overhead camshaft in the cylinder head ( OHC valve control ); two valves per cylinder; Camshaft drive Duplex roller chain, mechanical Bosch intake manifold injection with characteristic 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 cc; Compression ratio: 8.7: 1; Two- stroke injection pump with distributors; Maximum power: 115 hp at 4800 rpm (120 hp from August 1959); Maximum torque max: 186 Nm at 3800 rpm (189 Nm at 3900 rpm from August 1959);
- Mercedes-Benz 220 SE sedan (W128, "Ponton", 1958-1959)
- Mercedes-Benz 220 SE Coupe / Convertible (W128, "Ponton", 1958-1960)
- Mercedes-Benz 220 SEb Sedan (W111 "Tailfin", 1959-1965)
- Mercedes-Benz 220 SEb Coupe / Cabriolet (W111C, 1961-1965)
M127 II (2.3 liter displacement)
1963, the M127 was drilled for use in the sports car SL and increased performance. The bore has been increased by 2 mm to 82 mm; Thus, the displacement increased from 2196 to 2306 cc. Technical data of the motor M127 II:
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 rpm
Maximum torque: 196 Nm at 4200 rpm
Technical
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Mercedes M 127 engine Technical details and specifications (1958-1967)
M127 (2.2 liter displacement)
ENGINE: front. 4 stroke;cylinders: 6, vertical,
bore and stroke: 3.15 x 2.87 in, 80 x 72.8 mm
engine capacity: 134 25 cu in, 2195 cu cm
compression ratio: 8.7 : 1
max power (SAE): 124 hp at 5200 rpm
max torque (SAE): 139 1b ft, 19.2 kgm at 3700 rpm
max number of engine rpm: 6000
specific power: 48 hp/l
cylinder block: cast iron
cylinder head: light alloy
crankshaft bearings: 4
valves: 2 per cylinder, overhead, in line
camshaft: 1, overhead
lubrication: gear pump, oil-water heat exchanger. full flow filter
lubricating system capacity: 5.3 imp qt, 6.3 US qt, 3 1
carburation: 2 Solex 43 PAJTA downdraft carburettors
fuel feed: mechanical pump
cooling system: water
voltage: 12 V
battery: 52 Ah
dynamo: 240/360 W
ignition distributor: Bosch© Motor car History
Service
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Mercedes M 127 engine Service Guide (1958-1967)
M127 (2.2 liter displacement)
fuel: petrol, 96 Oct
engine sump oil: 4.84 imp qt, 5.81 US qt, 5.5 1, SAE 20, change every 3700 miles, 6000 km
gearbox oil 1.23 imp qt, 1.48 US qt. 1.4 1, change every 11200 miles, 18000 km;
final drive oil: 2.20 imp qt, 2.64 US qt, 2.5 1, SAE 90, change every 11200 miles, 18000 km
steering box oil: 0.26 imp qt, 0.32 US gal, 0.3 1, SAE 90, change every 11200 miles, 18000 km
greasing: every 11200 miles, 18000 km, 22 points
cooling system capacity: 9.9 imp qt, 11.9 US qt, 11.3 1.
Spark plug type: 2250
tappet clearances: inlet 0.003 in, 0.08 mm; exhaust 0.006 in, 0.15 mm
valve timing: (inlet) opens 10° before tdc and closes 46° after bdc, (exhaust) opens 44° before bdc and closes 12° after tdc.© Motor car History
