6pcs M272 M273 Piston & Ring 92.9mm Φ22mm 2720308917 2720309717 For CLK350 CLS350 C350 E350 GL450 3.5L V6 4.7L V8 Material: grade metal Size: Piston Diameter Φ92.9mm, Length 50.83mm, Compression Height 30.43mm Compatibility: Fits M272 E35, M273 E47 engines Design and Style: engineered with advanced cooling features Performance: optimized for performance driving Quantity: 6 pieces of piston and ring set This piston and ring set is designed for use with M272 and M273 engines, providing under demanding conditions.With a piston diameter of 92.9mm and compression height of 30.43mm, the set supports efficient combustion and consistent power delivery.It is compatible with engine models associated with OE numbers 2720308917, 2720309717, and 2720304317.The set fits vehicle models including CLK350, CLS350, C350, E350, and GL450 equipped with 3.5L V6 or 4.7L V8 engines.Each piston is built to precise specifications to proper fitment and function.The ring pack includes rings with thicknesses of 1.5mm, 1.8mm, and 2.4mm, contributing to effective sealing and heat transfer during engine.Designed for durability and consistent performance, this piston and ring set supports engine efficiency and thermal management.It serves as a direct replacement option for worn or damaged components, helping maintain engine integrity over time.