2760331501 2780330201 10x Crankshaft Main Bearings Shells STD Set For C218 W166 W222 M278 CLS500 4.6L 4.7L Parts Main crankshaft bearing shells in standard specification designed for M278 4.6L and 4.7L V8 turbocharged engines.Set includes 10 pieces of main bearings.Compatible with vehicle models including CLS500, CL500, E500, GL450, GL500, ML500, GLE500, GLS500, S500, and SL500 equipped with M278 engine.Fits production years from 2011 to 2019 across chassis types C218, C216, W212, X166, W221, W222, C217, and R231.Replaces part numbers 2760331501, 2780330201, 2760331001, 2780330601, 2780330002, 2780330802, 2780330602, and 2780330902.