Mercury Mountaineer engine and engine cooling problems by year
161 NHTSA owner complaints name the engine and engine cooling across 12 Mountaineer model years. The most reported year is 2006 with 43 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2008 Mountaineer | 3 | 3% | — | |
| 2007 Mountaineer | 4 | 5% | — | |
| 2006 Mountaineer | 43 | 37% | 57,300 mi | |
| 2005 Mountaineer | 5 | 6% | — | |
| 2004 Mountaineer | 11 | 5% | 44,423 mi | |
| 2003 Mountaineer | 10 | 7% | — | |
| 2002 Mountaineer | 33 | 9% | 86,000 mi | |
| 2001 Mountaineer | 1 | 5% | — | |
| 2000 Mountaineer | 5 | 4% | — | |
| 1999 Mountaineer | 12 | 8% | — | |
| 1998 Mountaineer | 20 | 8% | — | |
| 1997 Mountaineer | 14 | 4% | — |
Share is the fraction of that year’s complaints naming the engine and engine cooling. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.