Our 2012 Edge transmission seized up and left us stuck last night in the hilly woods of Western Mass. We had experienced transmission thumps since the car was brand new but dealer could never find any problem. As we headed home last night, we began to hear a humming noise that soon (within 10 minutes) became a clacking noise and then the car literally ground itself to a stop. It felt like someone was jamming a steel rod into the drivetrain as the car jerked and skidded to a stop. It was the worst mechanical thing I have ever experienced in 35 years of driving. Glad we were not on a busy highway at the time or this could have been really dangerous. Had car towed to dealership near our home. They say they have a little backlog of transmission problems to deal with. Sounds like trouble. If you hear or feel any weird noises from yourEdge, I would recommend not driving it. Ours only gave us a short warning. Very bad. Let me know if you have similar issues or questions.