Mercedes-Benz M115 engine

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Mercedes-Benz M115 engine" – news · newspapers · books · scholar · JSTOR (December 2009) (Learn how and when to remove this message)

Mercedes-Benz M115 engine
Overview
Manufacturer	Mercedes-Benz
Production	1968–1985 [1]
Layout
Configuration	Straight-4
Displacement	2.0 L (1,988 cc) 2.2 L (2,178 cc) 2.3 L (2,277 cc) 2.3 L (2,307 cc)
Cylinder bore	87 mm (3.43 in) 93.8 mm (3.69 in)
Piston stroke	83.6 mm (3.29 in) 92.4 mm (3.64 in)
Combustion
Fuel type	Gasoline
Cooling system	Water cooled
Output
Power output	85–120 hp (63–89 kW; 86–122 PS)
Chronology
Predecessor	Mercedes-Benz M121 engine
Successor	Mercedes-Benz M102 engine

The M115 engine family was a straight-4 automobile engine from Mercedes-Benz that was produced during the 1970s. This engine was a successor from the M121 and was replaced by the M102 engine. This engine is modified from the M121 by adding a five-bearing crankshaft.^[2] The same engine was produced in several versions with differing volume, compression, and horse power according to its application.