AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2008 Mercury Mountaineer
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $6,500–$13,500
The 2008 Mercury Mountaineer has notable issues with seats and the electrical system, and while serious, the transmission issue is less frequent. Repair and maintenance costs are relatively high, reflecting these potential problems.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| seats | 30,000–50,000 miles | $200–$800 | very common |
| electrical system | 50,000–80,000 miles | $300–$1,000 | common |
| transmission | 60,000–90,000 miles | $1,500–$3,000 | occasional |
| engine | 70,000–100,000 miles | $1,000–$2,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil and filter change
- transmission fluid service
- brake pads replacement
- coolant flush
- air filter replacement
- spark plug change
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- seat adjustment problems
- intermittent electrical issues
- transmission fluid leaks
- harsh shifting in transmission
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.