How do you remove sun visor on Mercedes 560sl to replace male clip?

I ran across the following one day, don't know the source so can't give credit due:

The rod on which the sun visor is mounted has an internal tab that must be aligned with a slot in order to withdraw it. Kind of hard to find the alignment but for starters:

Loosen the screw at on the sun visor face near the ball end of the rod. Orient the visor in the down position to approximately match the angle of the ball end of the rod. Wiggle and pull along the rod until the tab and slot find themselves and the visor starts to move along the rod. You will be able to withdraw it enough to slip the new clip on then push it back in place.