This piston rings set with pins is designed for the M270.920 2.0L inline-four turbocharged engine found in W176 platform vehicles including A250, CLA250, and GLA250 models.The set features a bore size of 83.00mm STD and includes piston rings and pins for complete cylinder replacement.Constructed for , the three-ring configuration (1.2mm, 1.0mm, and 2.0mm thicknesses) supports effective sealing and reduced oil consumption.All necessary components are included for installation.The design allows integration into the engine without modifications and helps maintain consistent combustion pressure under regular driving conditions.Reference part numbers: A2700302017, A2700300024, A2700300417.