Five problems related to seat belt have been reported for the 1999 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 1999 Mercury Grand Marquis based on all problems reported for the 1999 Grand Marquis.
My significant other and I were in an accident on the interstate. The airbags deployed and the seat belts failed to lock in place.
Seat belts front both sides,nothing but the retracter sticks,slow moving lap&shold. Steering shaft separates,rattles when hitting bumps hard.
The passengers side seat beat comes undone at times and the speed sensor works intermittently and it leaks gas from around the fuel pump.
Rear right side passenger's seat belt has separated from its anchor. The dealer will be notified about the problem. Vehicle is used by the treasury department.
1999 Mercury Grand Marquis seat belt buckle malfunctioned. The consumer's nephew was unable to unbuckle the seat belt located on the rear of the vehicle. He had to wiggle out of the seat belt to exit the vehicle. Further attempts at unlocking the seat belt buckle were unsuccessfully.
| Seat Belt problems | |
| Front Seat Belt Retractor problems |