M272 Pistons & Rings Set For E-CLASS W212 W211 C2800 C300 CLS300 2.5L 3.0L V6 2720304017 2720301018 2720300117 The M272 Pistons & Rings Set is designed for use with E-CLASS W212, W211, C2800, C300, and CLS300 models equipped with 2.5L and 3.0L V6 engines.Constructed from aluminum, the pistons are engineered to support engine under regular and performance conditions.The set features a standard 0.00 specification with no cylinder bore expansion required, a cylinder bore diameter of Φ88mm, bolt diameter of Φ22mm, and bolt length of 48mm.Ring thicknesses are 1.5mm, 1.8mm, and 2.5mm, providing precise sealing and durability.This piston and ring set is compatible with a range of models including E25, E30, C280, C300, E280, E300, C2800, CLS300, R280, R300, SL300, SLK280, and SLK300.It is intended for engine rebuilds or performance where accurate fitment and consistent function are required.The complete set includes one full set of pistons and rings.