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Reliability Database
Mercury

Mountaineer

Midsize SUV
Best Engine ⚠️ Caution (3.1)
1 Generations
3 Engines Rated
1,147 Total Complaints
Engine Ratings
2 recommended 1 caution

Generation Timeline

2002-2010 2nd
3 engines
1,147 complaints 🔥 16
4.0L 6-cyl ⚠️ Caution (3.1)
→

This model has one generation in our database. View full engine reliability data →

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