Engine Crankshaft Main Bearings Set designed for use with models equipped with M270, M274, and M133 engines.Constructed from steel, these bearings are built to support engine under regular driving conditions.The set is compatible with E250, E300, C300, W176, W205, W212, and W213 models, proper fit and function.engineering allows for smooth crankshaft rotation, contributing to consistent engine performance and.This bearing set is identified by part numbers 2700330201 and 2700330202, providing a direct replacement solution for maintenance or rebuild applications.Installation is designed to integrate into the engine assembly process, supporting efficient service workflows. Disclaimer: This aftermarket part is not affiliated with the manufacturer.Mentioned brands/models are for compatibility identification only.