M276 Engine Crankshaft Main Bearings and Connecting Rod Bearings Kit is designed for use with E-CLASS A207 C207 models from 2011 to 2016 equipped with 3.0T and 3.5L engines.Constructed from heat-resistant steel, the bearings are engineered to endure operating temperatures and mechanical stress encountered during engine.The kit includes 8 crankshaft main bearings and 12 connecting rod bearings, providing a complete set for engine rebuild applications.Components are manufactured to match specifications, proper fitment and alignment within the engine block.Designed for straightforward installation, the bearings integrate without requiring modifications or specialized tools.Their construction supports consistent performance and contributes to extended engine service life under normal operating conditions.