Mercedes, washer pump replacement in Hevel Eilot

Mercedes, washer pump replacement in Hevel Eilot.
It is required to replace the washer pump in case of its serious malfunction. To do it, drain the residual fluid from the washer reservoir, disconnect the pump from the battery, then remove the pump from the reservoir, disconnect the supply hoses. After that, install a new pump, wire up the contacts, and fill the reservoir.