Mercedes-Benz M118 engine

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Mercedes-Benz M118
Cooling system
Water cooled
Output
Power output40–66 kW (54–90 PS; 54–89 hp)
Torque output113–147 N⋅m (83–108 lb⋅ft)
Chronology
SuccessorVolkswagen EA827 engine

The M118 is a four-stroke

inline-four engine
produced from 1965 to 1972.

Design

The M118 was originally developed by

Daimler AG sold the company to Volkswagen.[3] The engine replaced the previous two-stroke engines, featured a Solex carburetor, and utilised a swirling effect in the intake ducts that allowed for smoother operation and enhanced efficiency.[4] It was later revised several times with increased displacements and reduced compression ratios for improved reliability.[5] The success of the M118 allowed Audi to expand into more upscale market segments.[6]
On the basis of OHV 4 cylinder M118 engine, Volkswagen engineers created modified 2.0 SOHC unit called VW EA831, that was later used in Audi 100 (C2, 1976–1982), Volkswagen LT and eventually in the Porsche 924.[citation needed]

Engines

Displacement Power Torque Years
1.5 L; 91.3 cu in (1,496 cc) 40 kW (54 PS; 54 hp)
at 4,750 rpm 		113 N⋅m (83 lb⋅ft)
at 2,600 rpm 		1968–1972
1.7 L; 103.6 cu in (1,697 cc) 53 kW (72 PS; 71 hp)
at 5,000 rpm 		127 N⋅m (94 lb⋅ft)
at 2,800 rpm 		1965–1968
55 kW (75 PS; 74 hp)
at 5,000 rpm 		127 N⋅m (94 lb⋅ft)
at 3,000 rpm 		1968–1972
59 kW (80 PS; 79 hp)
at 5,000 rpm 		132 N⋅m (97 lb⋅ft)
at 5,000 rpm 		1966–1968
1.8 L; 107.4 cu in (1,760 cc) 66 kW (90 PS; 89 hp)
at 5,300 rpm 		147 N⋅m (108 lb⋅ft)
at 3,000 rpm 		1966–1971

M118

40 kW version

  • 1968–1972
    Audi 60[7]

53 kW version

  • 1965–1968
    Audi 72

55 kW version

  • 1968–1972
    Audi 75

59 kW version

66 kW version

  • 1966–1971
    Audi 90

References

  1. ^ Patrascu, Daniel (2018-04-12). "Mercedes-Benz Remembers It Helped Create Audi of Today". autoevolution. Retrieved 2018-08-28.
  2. ^ Torchinsky, Jason. "How This Gorgeous Mercedes Prototype Made Modern Volkswagen Possible". Jalopnik. Retrieved 2018-08-28.
  3. ^ "1965 Audi 72 | Hagerty – Classic Car Price Guide". www.hagertyinsurance.co.uk. Retrieved 2018-08-28.
  4. ^ "Sixty Years Ago, Daimler-Benz Bought Auto Union". Road & Track. 2018-04-12. Retrieved 2018-08-28.
  5. ISBN 3-613-02131-5
    .
  6. ^ "Mercedes Made Audi Into What It Is Today". Motor1.com. Retrieved 2018-08-28.
  7. ^ "History's irony: Mercedes created the Audi we know today - MercedesBlog". MercedesBlog. 2016-05-04. Retrieved 2018-08-28.
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