NHTSA Complaint #11494688 — 2011 LINCOLN MKX

First incident 10-15-2019 (purchased used vehicle 09-30-19) Exiting freeway at 55mph and suddenly brakes stopped working( was able to pull aside) then brakes worked normal again. Took vehicle to check breaks and nothing wrong was found. Second incident 02-17-2020 Driving son to school at 35mhp brakes stopped working while doing a right turn and ran over sidewalk to avoid hitting vehicle in front. Bumper got a little damage. Brakes check again and nothing was found. Third incident 05-15-2022 Driving at 55mph on road and brakes stopped working before trying to stop at red light. Hit cement in middle of the road to avoid crashing. Used emergency brake and Bumper was scratched. Turn on and off truck and brakes work normal again. June 22-2022 Took to mechanic after being inspected at several places and found nothing wrong. Replaced brakes, Front shocks and fluid. November 23-2022 Driving on freeway at 70mph. Brakes failed again and almost crash with eighteen wheeler. Was able to hit the brakes with all my strength and merge into honking traffic to pull over on the freeway emergency lane. (could have been fatal) This incidents indicated are major but the problem has been in occurrence on and off randomly and frequently.