Piston Ring Set FOR C300 W205 2019-2023 OE 2640301800 Engine Component This piston ring set is designed for specific engine applications requiring replacement of the standard rings.All components conform to OEM dimensional tolerances to proper fit and function.Package Includes: Piston Rings Set (4 Cylinders) OEM Reference Number: 2640301800 Compatible Vehicles: Model: C300 (W205) Year Range: 2019–2023 Engine Code: M264 2.0T Power Output: 190 kW (258 ps) Installation Information: Remove the cylinder head and piston assembly from the engine block.Use appropriate tools to remove the old compression and oil control rings from the piston grooves.Clean the piston ring lands and grooves thoroughly to eliminate carbon deposits and achieve the required dimensional clearance.Install the compression rings and oil rings onto the piston following correct orientation and gap setting procedures.Stagger ring gaps according to manufacturer specifications.Lubricate the rings with suitable engine oil before installation.Reinstall the piston assembly into the cylinder bore using a piston ring compressor tool to prevent damage to the rings or cylinder walls.Torque the connecting rod fasteners to the engine manufacturer's specified values.