The M111 engine family is a straight-4 automobile engine from Mercedes-Benz, produced from 1992 to 2003. Debuted in the 1992 Mercedes-Benz E-Class (W124), this engine family is relatively oversquare and uses 4 valves per cylinder. All engines in the family use a cast iron engine block and aluminum alloy cylinder head. The M111.970 is a 2.3 L (2295 cc) 16-valve engine with bore and stroke of 90.9 x 88.4 mm and compression ratio of 10.4:1. It produces 110 kW (150 hp) of power and 220 Nm of torque.[WIKI]
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