Germany
Engines
1950s

Mercedes-Benz M 189 six-cylinder petrol engine

Daimler Benz
 Mercedes-Benz M 189 six-cylinder petrol engine
M 189
Manufacturer:Mercedes Benz
Production period:1957 to 1967
Style:Line six-cylinder
Combustion principle:petrol

 

The Mercedes-Benz M 189 is based on a series of inline six-cylinder petrol engines that Daimler-Benz produced from 1957 to 1967.

The engine not only replaced its predecessor, the Mercedes-Benz M 186 (the founder of Daimler-Benz 3-liter engines from the 1950s), but also shaped most of the models of the next decade. The M 189 is basically the injection variant of the M 186 and was the longest produced engine in the family. He was in the course of his production time with changes provided, such. B. 1961 by the introduction of a new base alloy of aluminum instead of cast iron.

Properties 

  • 6 cylinders in row
  • Cylinder head made of aluminum alloy
  • Bore and stroke: 85 × 88 mm
  • Displacement: 2996 cc
  • Single camshaft in the cylinder head
  • Two valves per cylinder
  • Injection, Bosch, mechanical control
  • Crankshaft with seven main bearings

Technical Overview 

engine typecompression

Rated power
kW at 1 / min		Torque max 
Nm at 1 / min		useProduction period
M189 I8:55118/5300237/4200Mercedes-Benz 300 ( 300d / W189 )1957- 62
M189 III
and M189 IV		8.7118/5000251/3800Mercedes-Benz 300SE / SE long ( W112 )1961- 63
Mercedes-Benz 300 SE Coupé / Cabriolet W1121962-63
M189 V 
and M189 VI		8.8125/5400249/4000Mercedes-Benz 300 SE / SE long "Tail fin" W1121964 - 65
Mercedes-Benz 300 SE Coupé / Cabriolet W1121964-67
M189 VII
and M189 VIII		8.8125/5400251/4000Mercedes-Benz 300 SE / SEL ( W109 )1965-67
Categories
Mercedes engines
Title
Mercedes M 189 engine (1957-1967)

Description

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Technical

Technical

  • Mercedes M 189 engine Technical details and specifications (1957-1967)

    Mercedes 300SE W112 M189 Engine


    ENGINE CAPACITY: 183.23 cu in, 2996 cu cm
    front, 4 stroke; cylinders: 6, in line
    bore and stroke: 3.35 x 3.46 in, 85 x 88 mm
    compression ratio: 8.7 : 1
    cylinder head: light alloy, dry liners
    crankshaft bearings: 7 valves: 2 per cylinder, overhead, in line, with finger levers
    camshaft: 1, overhead
    lubrication: gear pump, oil-water heat exchanger, full flow pump
    carburation: Bosch intermittent injection pump in inlet pipes; fuel feed: electric pump
    max power (SAE): 185 hp at 5200 rpm
    max torque (SAE): 205 1b ft, 28.3 kgm at 4000 rpm
    max number of engine rpm: 6000
    specific power: 63 hp/l; cylinder block: light alloy
    FUEL CONSUMPTION: 19.5 m imp gal, 16.2 m US gal, 14.5 1 x 100 km

    © motorcar history

     

Service

  • Mercedes M 189 engine Service Guide (1957-1967)


    Mercedes 300 SE W112 :M189 Engine

    fuel: petrol, 96 Oct
    engine sump oil: 4.8 imp qt, 5.8 US qt. 5.5 1, SAE 20, change every 3700 miles, 6000 km
    gearbox oil: 5.06 imp qt, 6.08 US qt, 5.75 1, change every 11200 miles, 18000 km
    final drive oil: 2.19 imp qt, 2.64 US qt, 1.5 1, SAE 90, change every 11200 miles, 18000 km;
    lubricating system capacity: 5.3 imp qt, 6.3 US qt. 6 1
    fuel tank capacity: 14.29 imp gal.
    cooling system: water; cooling system capacity: 14.8 imp qt, 17.8 US qt, 16.8 1.

    © motorcar history