I have never seen this issue in a forum. I can't believe that I am the only Model S owner (2017) that experiences pain in the butt when driving over 1 hour. This pain is extreme and not just inconvenient. The seat frame under the vegan leather and padding consists of a metal platform from the front of the seat cushion to about 1/2 way back where it becomes wire and cord to the rear of the seat. I have seen the seat minus the seat cover and padding on Tesla seats sold on eBay so I can see what is under my seat's padding. Apparently, my butt bones are directly over the end of the metal platform so that when seated part of my butt is over the wire and cords and my bones are directly over the end of the metal platform. My Tesla SC has replaced my seat but the new seat is exactly the same with same pain. I have owned many new vehicles and dozens of other vehicles and have never had this problem. The SC says they can not put more padding under the seat cover due to the construction of the seat cover, as well as sensors.Why does Tesla have this problem (for me) when I have never had a problem with car seats in a new Mercedes, new Corvette, new PT Cruiser, etc., etc. The problem is not one of SEAT ADJUSTMENT. My only solution seems to be putting a piece of solid foam on top of my seat cushion. This seems crazy given the cost of the car - $80,000+.