奔驰GLC 200 Coupe雨刮喷水马达 A0998660121 双喷水电机总成，精准喷射

When your Mercedes-Benz GLC 200 Coupe wipers spray feature fails to spray strongly, the spray column jumps, or stops spraying entirely, and you have confirmed sufficient washer fluid and no clogged nozzles, this usually indicates the original washer pump motor has aged or internal motor worn, causing low pressure or intermittent failure. The motor normally pressurizes washer fluid from the reservoir to the nozzles for uniform spraying with wipers. This product is the OEM A0998660121 dual spray motor assembly, precisely matching Mercedes-Benz GLC 200 Coupe. Installation notes: disconnect power, unplug old motor harness and remove mounting screws, install new motor and verify sealing ring integrity to prevent leaks; reconnect hoses and harness, test spray angle, adjust nozzle direction if needed.