Reliability & 5-year cost of ownership — 2011 Mercury Mariner
NHTSA data on file today
The 2011 Mercury Mariner has 3 NHTSA recall campaigns and 87 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 3.0 out of 5 stars, averaged across 4 NHTSA-tested trims.
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
- Power Train 24 complaints
- Fuel/Propulsion System 22 complaints
- Steering 20 complaints
- Vehicle Speed Control 15 complaints
- Engine 11 complaints
- Fuel System, Gasoline 7 complaints
Of the 87 complaints on file, 2 report a crash; across all 87 complaints, owners report 1 injury (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $5,000–$8,000AI estimate — not from NHTSA data
The 2011 Mercury Mariner presents below-average reliability with significant concern in fuel system and steering issues, according to recalls and owner complaints.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| Fuel pump | 80,000–120,000 miles | $400–$700 | very common |
| Wheel bearings | 70,000–100,000 miles | $300–$500 | common |
| Power steering | 70,000–120,000 miles | $500–$900 | common |
| Transmission | 90,000–130,000 miles | $1,000–$2,500 | 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 and rotor replacement
- Coolant system flush
- Transmission fluid change
- Tire rotation and balance
- Belt and hose inspection
- Battery replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Fuel smell inside cabin
- Steering stiffness
- Unusual noises when turning
- Vibration while driving
- Transmission slipping or rough shifts
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2011 Mercury Mariner at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.