Engine Crankshaft Rod Piston Set STD for C200 E250 1.8T M271 Pistons and rings with standard 0.00 specification, designed for cylinder bore diameter of 82.00mm.Piston bolt diameter is 20mm with a length of 56mm.Ring thickness measures 1.2mm, 1.5mm, and 2.0mm respectively.Connecting rod is standard 0.00 specification, not requiring cylinder expansion.Connecting rod bolt diameter is 20mm and rod length is 194.5mm.Components are manufactured to specifications.Crankshaft is supplied in wooden box packaging.Set fits 1.8L L4 1796cc turbocharged engine with engine codes M271.860, M271.861, and M271.820.Package includes one crankshaft, four connecting rods, one set of main bearings, one set of connecting rod bearings, one set of thrust washers, and one set of pistons with rings.Crankshaft is constructed from QT800-3 material and treated with a nitriding process.Neck hardness exceeds HV0.1 410.Fits the following models: C200 CGI W204 from 2007–2014 with engine code M271.820 or M271.860 producing 135kW (184ps) C250 CGI W204/C204/S204 from 2009–2014 with engine code M271.860 producing 150kW (204ps) E200 CGI W212/S212/A207/C207 from 2009–2016 with engine code M271.820 or M271.860 producing 135kW (184ps) E250 CGI W212/S212/A207/C207 from 2009–2016 with engine code M271.860 producing 150kW (204ps) SLK200 R172 from 2011–2017 with engine code M271.860 or M271.861 producing 135kW (184ps) SLK250 R172 from 2011–2017 with engine code M271.860 or M271.861 producing 150kW (204ps) This is a compatible aftermarket part.References to brands or models do not imply OEM association.