Reliability & 5-year cost of ownership — 2003 Mercury Mountaineer
NHTSA data on file today
The 2003 Mercury Mountaineer has 1 NHTSA recall campaign and 152 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #07E104000 CURVED TEMPERED AUTOMOTIVE REPLACEMENT GLASS NHTSA notice
Most-cited components in owner complaints
- Structure 59 complaints
- Power Train 42 complaints
- Electrical System 11 complaints
- Engine and Engine Cooling 10 complaints
- Suspension 10 complaints
- Air Bags 9 complaints
Of the 152 complaints on file, 6 report a crash and 5 a fire; across all 152 complaints, owners report 9 injuries (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $8,000–$15,000AI estimate — not from NHTSA data
The 2003 Mercury Mountaineer shows a concerning pattern of structural and power train issues, with many owner complaints. These recurring problems, in conjunction with a safety recall for side and rear glass, suggest reliability and cost challenges.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| structure | 80,000–120,000 miles | $700–$2,000 | very common |
| power train | 90,000–130,000 miles | $1,200–$3,000 | common |
| electrical system | 70,000–100,000 miles | $300–$1,000 | occasional |
| service brakes | 60,000–100,000 miles | $250–$800 | occasional |
| suspension | 80,000–120,000 miles | $500–$1,500 | 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
- coolant replacement
- brake fluid flush
- transmission fluid change
- spark plug replacement
- tire rotation and balancing
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- unusual transmission noises
- cracking body panels
- intermittent electrical issues
- difficult braking
- suspension noises
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2003 Mercury Mountaineer at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.