One problem related to hatchback/liftgate lock has been reported for the 1999 Mercury Cougar. The most recently reported issues are listed below.
Transmission surges and hesitates upon accelleration causing unexpected increases in speed; rear hatch will not open; brakes still grind after replacement; after door latches replaced, car now makes whining noice; starter replacement makes high pitched noise; coolant light comes on--dealer's solution is to overfill coolant level.
| Door Latch problems | |
| Trunk Lid Lock problems | |
| Hatchback/liftgate Lock problems |