mercedes/cla-class/2014-____

... 2017 Mercedes Benz cla 250

My 2017 Mercedes Benz cla 250 is showing to check washer fluid so i filled it also no fluid was coming out.. after i filled I u it still showed check washer fluid.. and it still won't dispense... I checked to make sure the pump was working and it is so what could be the problem.. can you help me in trouble shooting this issue?

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