Reliability & 5-year cost of ownership — 2010 Mercury Mariner
NHTSA data on file today
The 2010 Mercury Mariner has 3 NHTSA recall campaigns and 270 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #16V777000 Fuel Delivery Module may Crack and cause Fuel Leak NHTSA notice
- NHTSA #15E045000 Front Wheel Bearing has Wrong Dimensions NHTSA notice
- NHTSA #14V284000 Loss of Electric Power Steering Assist NHTSA notice
Most-cited components in owner complaints
- Vehicle Speed Control 66 complaints
- Engine 61 complaints
- Steering 61 complaints
- Power Train 60 complaints
- Fuel/Propulsion System 57 complaints
- Electrical System 29 complaints
Of the 270 complaints on file, 2 report a crash and 2 a fire; across all 270 complaints, owners report 6 injuries (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $5,000–$7,500AI estimate — not from NHTSA data
The 2010 Mercury Mariner has notable issues with its steering and power train, as well as vulnerabilities in the fuel system. These problems, combined with high complaint counts, suggest reliability concerns.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| Fuel pump | 60,000–90,000 miles | $400–$600 | common |
| Steering torque sensor | 70,000–100,000 miles | $350–$500 | common |
| Front wheel bearing | 50,000–80,000 miles | $300–$450 | occasional |
| Engine system | 80,000–120,000 miles | $500–$700 | occasional |
| Power train | 90,000–130,000 miles | $700–$1,000 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake pad replacements
- Tire rotations and alignment
- Transmission fluid change
- Coolant system flush
- Spark plug replacement
- Air filter replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Steering becomes heavier
- Loss of power
- Fuel smell inside cabin
- Grinding noise when steering
- Uneven tire wear
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2010 Mercury Mariner at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.