Mercury Mariner engine problems by year
162 NHTSA owner complaints name the engine across 7 Mariner model years. The most reported year is 2010 with 61 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2011 Mariner | 11 | 13% | 49,000 mi | |
| 2010 Mariner | 61 | 23% | 52,000 mi | |
| 2009 Mariner | 53 | 17% | 73,000 mi | |
| 2008 Mariner | 14 | 3% | 113,500 mi | |
| 2007 Mariner | 7 | 21% | — | |
| 2006 Mariner | 8 | 13% | — | |
| 2005 Mariner | 8 | 12% | — |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.