2004 Mercury Mountaineer vs 2006 Mercury Mountaineer
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 Mountaineer | 2006 Mercury Mountaineer |
|---|---|---|
| NHTSA complaints | 210 | 117 |
| Recall campaigns | 0 | 1 |
| Service bulletins (TSBs) | 103 | 37 |
| Investigations | 3 | 0 |
| Crash reports | 11 | 6 |
| Fire reports | 2 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 15–16 | 15–16 |
| Median reported incident mileage | 69,459 mi | 58,945 mi |
Reported problems side by side
| Component | Mercury Mountaineer | Mercury Mountaineer |
|---|---|---|
| Power Train | 64 | 39 |
| Structure | 79 | 7 |
| Engine and Engine Cooling | 11 | 43 |
| Electrical System | 16 | 9 |
| Vehicle Speed Control | 21 | 3 |
| Engine | 8 | 14 |
| Air Bags | 12 | 1 |
| Suspension | 6 | 1 |
Symptoms owners describe
| Stalling | 20 | 9 |
| Loss of power | 7 | 0 |
| Hesitation / surging | 7 | 9 |
| Shifting problems | 6 | 5 |
| Steering problems | 6 | 0 |
| Clunking / rattling | 6 | 0 |
| Rust / corrosion | 6 | 0 |
| Vibration / shaking | 5 | 0 |
2004 Mercury Mountaineer
2006 Mercury Mountaineer
Compare all Mercury Mountaineer vs Mercury Mountaineer 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.