One problem related to structure 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.
Toe of left foot hits plastic panel directly to the left of the brake pedal when moving left foot to the brake pedal. Insufficient clearance above left foot due to the plastic panel that covers the courtesy light bulb.
| Body problems | |
| Paint problems | |
| Roof And Pillar problems | |
| Structure problems |