One problem related to brake foundation components has been reported for the 2001 Mercury Marquis. The most recently reported issues are listed below.
Consumer to loss control of the vehicle, due to the possibility that the brake and accelerator are designed too close together, consumer is requesting reimbursement for the loss of the vehicle. Consumer has since sold the vehicle back to the dealer.
| Brake Electric Antilock problems | |
| Power Assist Hydraulic Brake problems | |
| Power Assist Brake problems | |
| Brake Foundation Components problems |