Piston Rings Set STD FOR C250 C300 W205 2.0T M274.920 OE 2740371401 Material: aluminum OEM Reference Numbers: 2740371401, 2740300900, 2740300417 Compatible Vehicles: C250, C300, W205 2.0T M274.920 This piston ring set is designed for use with specified engine models.Constructed from aluminum, the set supports durability and consistent under regular driving conditions.The design allows for integration with the engine system, supporting performance.The set includes four piston rings, each identified by a specific OEM reference number to proper matching and compatibility.Installation follows a step-by-step process outlined in the included guide.Instructions cover removal of the cylinder head and oil pan, lubrication of the rings, reassembly of the piston and connecting rod, and final installation.The process is designed to be manageable with basic mechanical knowledge.The piston ring set is compatible with a range of vehicle models including C200, C250, C260, C300, C350e, CLS260, E200, E250, E260, E300, GLC200, GLC250, GLC260, GLC300, GLK200, GLK250, SLK200, SLC200, SLK300, SLC300, and V250.Its construction and fit support continued engine functionality and performance across these applications.