Mercedes® Window Regulator, Front Left Manual, 1977-1983 (123)

If your car window is no longer going up and down easily, it may be time to change out your window regulator. Replacing the window regulator requires common tools and basic automotive knowledge. If you are not mechanically inclined, it helps to have the right part ready for your mechanic. Performance Products® knows how important it is to keep your Mercedes® in tip top shape.