Reliability & 5-year cost of ownership — 2007 Mercury Mariner Hybrid
NHTSA data on file today
try.vin couldn't confirm NHTSA's recall list for the 2007 Mercury Mariner Hybrid, so this page doesn't state a recall count — check the VIN at nhtsa.gov/recalls for current campaigns. 31 owner complaints are on file.
Most-cited components in owner complaints
- Service Brakes 8 complaints
- Engine and Engine Cooling 6 complaints
- Electrical System 4 complaints
- Engine 4 complaints
- Hybrid Propulsion System 3 complaints
- Power Train 3 complaints
Of the 31 complaints on file, 1 reports a crash; across all 31 complaints, owners report 1 injury (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $6,000–$12,000AI estimate — not from NHTSA data
The 2007 Mercury Mariner Hybrid demonstrates common issues with service brakes and the engine system, reflected in multiple complaints. Owners should be prepared for higher upkeep costs due to potential repair needs, especially related to these systems.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| service brakes | 60,000–100,000 miles | $300–$600 | very common |
| engine cooling | 80,000–120,000 miles | $500–$1,200 | common |
| electrical system | 70,000–110,000 miles | $400–$900 | common |
| hybrid propulsion system | 100,000–150,000 miles | $1,500–$4,000 | occasional |
| power train | 90,000–140,000 miles | $800–$2,000 | 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.
- Replace brake pads annually
- Check hybrid system bi-annually
- Oil change every 5,000 miles
- Coolant system flush every 60,000 miles
- Inspect suspension every 30,000 miles
- Transmission fluid change every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Grinding noise when braking
- Overheating engine
- Unexpected loss of power
- Electrical malfunctions
- Unusual hybrid system sounds
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2007 Mercury Mariner Hybrid at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.