A2740301617 Engine Piston Assembly with Internal Cooling Channel for 2013–2018 Mercedes-Benz M274 E250 / E260 2.0L

A standard-size (STD) piston kit specifically designed for the Mercedes-Benz M274 engine (specifically the 1.6L M274.910 model). It features a piston diameter of approximately 83.00 mm, a piston pin diameter of 20 mm, and piston ring thicknesses of 1.2 mm, 1.0 mm, and 2.0 mm, respectively; this type of kit typically incorporates internal oil-cooling channels and is engineered to provide a compression ratio ranging from 9.8:1 to 10.3:1.