AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2011 Mercury Mariner Hev
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $5,000–$8,500
The 2011 Mercury Mariner HEV is rated as average due to a balanced recall and complaint history. While some components show complaint patterns, no widespread severe failures warrant significantly low reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| battery system | 80,000–100,000 miles | $1,500–$3,000 | common |
| brake system | 60,000–80,000 miles | $300–$800 | common |
| power steering | 70,000–90,000 miles | $400–$1,100 | occasional |
| exhaust system | 75,000–95,000 miles | $200–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake pad inspections and replacements
- Battery health checks
- Steering fluid replacements
- Tire rotations and balancing
- Exhaust system inspections
- Coolant level checks
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unusual brake pedal softness
- Steering wheel stiffness
- Battery warning lights
- Decreased fuel efficiency
- Unusual exhaust noises
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.