Model Compatibility: Fits S204 and W204 models, and S350 model as specified in the part designation. Part Number: Matches the engine motor mount identifier 2212401517 exactly as provided in the title. Function: Restores mounting function for the engine in compatible vehicle models. Application Scope: Designed specifically as a replacement motor mount for the listed models. Installation Purpose: Enables functional replacement of the existing engine motor mount without modification., Manufacturer: EPzvEKezr