AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2007 Mercury Mountaineer
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $10,000–$15,000
The 2007 Mercury Mountaineer experiences frequent issues with seats and power trains, indicated by a high number of complaints. Additionally, electrical system faults further contribute to its below-average reliability, despite no major recalls affecting critical systems.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| seats | 80,000–120,000 miles | $300–$600 | very common |
| power train | 90,000–140,000 miles | $700–$1,500 | common |
| electrical system | 70,000–110,000 miles | $400–$800 | common |
| engine | 100,000–150,000 miles | $1,000–$2,500 | occasional |
| vehicle speed control | 80,000–130,000 miles | $250–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Tire rotation every 10,000 miles
- Brake inspection annually
- Transmission fluid change every 60,000 miles
- Coolant system flush every 50,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Seat adjustment failures
- Transmission slipping
- Electrical shorts or failures
- Engine overheating
- Unusual noises from power train
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.