Reliability & cost of ownership
Mercury Mariner Reliability & Common Problems
How reliable is the Mercury Mariner? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for a full reliability and repair-cost forecast.
Mercury Mariner problems by model year
22 recall entries and 1295 owner complaints on file across 7 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2011 Mariner | 3 | 87 | 3.0 | Reliability forecast → |
| 2010 Mariner | 3 | 269 | No NCAP test | Reliability forecast → |
| 2009 Mariner | 2 | 315 | No NCAP test | Reliability forecast → |
| 2008 Mariner | 4 | 461 | No NCAP test | Reliability forecast → |
| 2007 Mariner | 3 | 33 | No NCAP test | Reliability forecast → |
| 2006 Mariner | 4 | 63 | No NCAP test | Reliability forecast → |
| 2005 Mariner | 3 | 67 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Mercury Mariner, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- steering556 complaints
- power train231 complaints
- vehicle speed control179 complaints
- engine162 complaints
- fuel/propulsion system109 complaints
- electrical system105 complaints
- service brakes65 complaints
- unknown or other57 complaints