One problem related to spare tire has been reported for the 2004 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Mercury Grand Marquis based on all problems reported for the 2004 Grand Marquis.
2004 Mercury Grand Marquis lost control of vehicle due to tire wear. While driving on a wet road the consumer lost control of the vehicle due to worn tires. The vehicle spun off the left side of the road and struck a control wall. The consumer sustained a sore neck and right shoulder. The vehicles sustained damage to the hood, fender, bumper, grill, rf headlamp, rr quarter panel, rear bumper, trunk lid and the spare tire was torn loose (inside trunk.
| Tire problems | |
| Tire Tread/belt problems | |
| Spare Tire problems | |
| Tire Sidewall problems |