2006 Chrysler 300C 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 | 2006 Chrysler 300C | 2006 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 698 | 143 |
| Recall campaigns | 1 | 2 |
| Service bulletins (TSBs) | 37 | 20 |
| Investigations | 3 | 1 |
| Crash reports | 8 | 16 |
| Fire reports | 3 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 18 | 18 |
| Median reported incident mileage | 78,335 mi | 66,000 mi |
Reported problems side by side
| Component | Chrysler 300C | Mercury Grand Marquis |
|---|---|---|
| Engine | 243 | 8 |
| Fuel/propulsion System | 175 | 11 |
| Fuel System, Gasoline | 168 | 2 |
| Power Train | 106 | 4 |
| Air Bags | 32 | 37 |
| Electrical System | 56 | 8 |
| Vehicle Speed Control | 19 | 37 |
| Steering | 38 | 13 |
Symptoms owners describe
| Stalling | 410 | 6 |
| Hesitation / surging | 36 | 7 |
| Check engine light | 26 | 0 |
| Loss of power | 25 | 0 |
| Won’t start | 8 | 0 |
| Vibration / shaking | 8 | 0 |
| Brake problems | 7 | 0 |
| Misfire / rough idle | 6 | 0 |
2006 Chrysler 300C
2006 Mercury Grand Marquis
Compare all Chrysler 300C 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.