4pcs Piston Rings Set for C300 W205 M264 2.0T 2640301800 Engine Piston Ring Automotive Parts Piston rings set designed for proper alignment, positioning and spacing to facilitate faster and easier installation.Compatible with M264 2.0L (1991cc) turbocharged engines.Matches OE specifications in form, fit and function.Specifications: - Replacement for OE numbers: 2640301800, 2640301700, 2640302100, 2640302200 - Size: STD - Cylinder bore: Φ83mm - Pin diameter: Φ20mm Package includes: - Piston rings x 1 set (4 pieces) Fitment: - For models equipped with M264 2.0T engine including C260 (W205), C300 (W205), CLS260 (C257), CLS300 (C257), CLS350 (C257), E260 (W213), E300 (W213), E350 (W213), GLC260 (X253), GLC300 (X253), GLE350 (X167) - Production years: 2019–2023 (varies by model) All parts are inspected before packaging and prior to shipment.Designed according to factory specifications.Provides stable performance characteristics and.Easy to install with consistent dimensional accuracy.This is not an part.All brand mentions are used strictly for compatibility reference.