Mercedes-Benz M102 engine
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.
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
Similar to M102.920, but less power output due to a different camshaft and different carburettor.
- 1983-1993 190
Similar to M102.920, different carburettor, new single-belt drive for generator. Hydraulic aided valvedrive.
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).
- 1983-1993 190E
2.0 litre version with KE-Jetronic fuel injection.
- 1990 200E
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.
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).
A later multi-point fuel-injected M102 with a displacement of 2.3 L. Used KE-jetronic fuel injection.