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The Mercedes-Benz M143 engine is a naturally-aspirated, 2.2-liter, straight-6, internal combustion piston engine, designed, developed and produced by Mercedes-Benz; between 1936 and 1941.[3][4][5]

Mercedes-Benz M143 engine[1][2]
Overview
Manufacturer	Mercedes-Benz
Production	1937-1942
Layout
Configuration	L-6
Displacement	2.2 L (134 cu in)
Cylinder bore	72.5 mm (2.9 in)
Piston stroke	90 mm (3.5 in)
Valvetrain	12-valve, SOHC, two-valves per cylinder
Compression ratio	6.6:1-7.25:1
Combustion
Fuel system	Carburetor
Fuel type	Gasoline
Oil system	Dry sump
Output
Power output	55–58 hp (41–43 kW)
Torque output	100–103 lb⋅ft (136–140 N⋅m)

Applications

• Mercedes-Benz W143

References

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