Model Compatibility: Fits GLS X166, GLE W292, ML W166, and W222 vehicle models as specified in the title. Part Number Match: Replaces part numbers 2318660021 and 2468660000 exactly as listed in the title. Function: Restores windshield washer pump functionality for the compatible vehicle models. Application Scope: Designed specifically for use as a replacement windshield washer pump in the listed models. Installation Purpose: Enables direct replacement of the existing windshield washer pump without modification., Manufacturer: VDTYfmeaw