Mercedes-Benz M102 engine
From Wikipedia, the free encyclopedia
The M102 engine family was a straight-4 automobile engine from Mercedes-Benz in the 1980s and early 1990s. It is a relatively oversquare engine with a large bore and short stroke. Compare to the M115 engine which was used during the same time frame.
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[edit] M102.920
The M102.920 was a 2.0 L (1997 cc) engine with an 89 mm bore and 80.25 mm stroke. Power output was 109 hp (81 kW).
Equipped w/ carburettor 175 CDT
Applications:
[edit] M102.921
Similar to M102.920, but less power output due to a different camshaft and different carburettor.
Applications:
- 1983-1993 190
[edit] M102.924
Similar to M102.920, different carburettor, new single-belt drive for generator. Hydraulic aided valvedrive.
Application
[edit] M102.962
A later multi-point fuel-injected variation of the M102.921 that was introduced in 1987, with a power output of about 122bhp. An "E" was added to the model of the vehicle (standing for "einspritzung", the German word for fuel injection).
Applications:
- 1983-1993 190E
[edit] M102.980
The M102.980 was a 2.3 L (2299 cc) version with a 95.5 mm bore and the same 80.25 mm stroke. Power output was 136 hp (101 kW). Used K-jetronic fuel injection.
Applications:
[edit] M102.981
The M102.981 was a 2.3 L (2299 cc) version with a 95.5 mm bore and the same 80.25 mm stroke. Power output was 125 hp (92 kW).
Applications:
- 1979-1989 230GE Galaendewagen
[edit] M102.985
A later multi-point fuel-injected M102 with a displacement of 2.3 L. Used KE-jetronic fuel injection.
Applications:
[edit] Cosworth conversions
Cosworth developed an M102 2.3-litre variant with a 16-valve cylinder head for use in the 190E 2.3-16. The 2.5-litre engine in the later 190E 2.5-16 was based on this same engine.
