The part # for the latch is BT4Z-7821813-A. Ebay has a couple right now too for sale if anyone wants to try and fix it themselves. http://www.ebay.com/itm/NEW-OEM-LH-FRONT-DOOR-LATCH-2011-2013-FORD-EDGE-LINCOLN-MKX-BT4Z-7821813-A-/281105011185
Good luck!