One problem related to brake foundation components has been reported for the 1999 Mercury Grand Marquis. The most recently reported issues are listed below.
Consumer states when applying brakes in rainy weather, vehicle pulls to one side or the other, dealer states there is a design flaw and can not remedy the problem.
| Service Brakes problems | |
| Brake Electric Antilock problems | |
| Brake Disc Rotor problems | |
| Brake Disc problems | |
| Power Assist Brake problems | |
| Brake Foundation Components problems | |
| Power Assist Brake Vacuum problems |