1999 Chrysler 300M vs 1999 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 | 1999 Chrysler 300M | 1999 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 351 | 164 |
| Recall campaigns | 3 | 3 |
| Service bulletins (TSBs) | 151 | 138 |
| Investigations | 2 | 3 |
| Crash reports | 32 | 17 |
| Fire reports | 6 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 19 | 18 |
| Median reported incident mileage | 69,373 mi | 103,000 mi |
Reported problems side by side
| Component | Chrysler 300M | Mercury Grand Marquis |
|---|---|---|
| Steering | 48 | 16 |
| Engine and Engine Cooling | 33 | 26 |
| Air Bags | 51 | 5 |
| Structure | 49 | 7 |
| Power Train | 32 | 12 |
| Suspension | 21 | 18 |
| Electrical System | 18 | 15 |
| Tires | 20 | 12 |
Symptoms owners describe
| Stalling | 27 | 11 |
| Vibration / shaking | 12 | 0 |
| Steering problems | 9 | 0 |
| Rust / corrosion | 7 | 0 |
| Clunking / rattling | 5 | 0 |
| Check engine light | 0 | 5 |
| Overheating | 0 | 5 |
1999 Chrysler 300M
1999 Mercury Grand Marquis
Compare all Chrysler 300M 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.