1999 W210 driver side front window will not operate. The infamous window regulator is fine, the window goes up and down smoothly by hand when the motor is removed. When 12VDC is applied to the disconnected window motor via the connector center two pins, the motor operates smoothly. When the center console switch is pressed, there is a relay clicking sound from a control box (part# 208 820 1526) mounted inside the door panel behind the seat adjustment switch however there is no voltage at the center two pins going to the window motor. I am guessing since there is a clicking sound from the box the window switch is working but since there is no voltage going to the motor, the control box is faulty. Anyone ever have this problem? Any idea where I can get a control box?



4MBS