2008 E Class folding mirror problem

[markys]

One of my folding mirrors has stopped working it seems to be a wiring fault just where the mirror folds. I have removed the mirror from the car and all the component parts I can but I can't seem to be able to separate the part where the mirror folds to the bit that holds it to the car. The pivot point does have a internal tooth locking washer on it, does that have to come off? Or is there another way?

It's a 2008 320 estate.

Edited by markys on Friday 11th April 18:47