2004 Mercury Grand Marquis vs 2006 Mercury Grand Marquis
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2004 Mercury Grand Marquis | 2006 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 347 | 143 |
| Recall campaigns | 1 | 2 |
| Service bulletins (TSBs) | 49 | 20 |
| Investigations | 5 | 1 |
| Crash reports | 17 | 16 |
| Fire reports | 4 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 18 | 18 |
| Median reported incident mileage | 82,500 mi | 66,000 mi |
Reported problems side by side
| Component | Mercury Grand Marquis | Mercury Grand Marquis |
|---|---|---|
| Exterior Lighting | 206 | 6 |
| Steering | 65 | 13 |
| Vehicle Speed Control | 23 | 37 |
| Electrical System | 40 | 8 |
| Air Bags | 6 | 37 |
| Seat Belts | 0 | 22 |
| Structure | 8 | 8 |
| Fuel/propulsion System | 3 | 11 |
Symptoms owners describe
| Rust / corrosion | 16 | 13 |
| Hesitation / surging | 8 | 7 |
| Steering problems | 6 | 0 |
| Stalling | 5 | 6 |
| Airbag warning light | 0 | 28 |
2004 Mercury Grand Marquis
2006 Mercury Grand Marquis
Compare all Mercury Grand Marquis vs Mercury Grand Marquis years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.