Mercedes-Benz M102 engine
Engine family
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The M102 engine family is a inline-four gasoline automobile engine family built by Mercedes-Benz in the 1980s and early 1990s. It is a relatively oversquare engine with a large bore and short stroke compared to the M115 engine which was used... Wikipedia
Compression ratio: 10.5:1
Cooling system: Water-cooled
Cylinder bore: 89 mm (3.504 in); 95.5 mm (3.760 in); 97.3 mm (3.831 in)
Displacement: 1.8 L (1,797 cc); 2.0 L (1,997 cc); 2.3 L (2,299 cc); 2.5 L (2,498 cc); 2.5 L (2,463 cc)
Dry weight: 118 kg (260 lb)
Fuel system: 175 CDT Carburetor; Multi-point fuel injection
Piston stroke: 72.2 mm (2.843 in); 80.25 mm (3.159 in); 87.2 mm (3.433 in); 82.8 mm (3.260 in)