253 problems have been reported for the 2004 Mercury Mountaineer. The following chart shows the 19 most common problems for 2004 Mercury Mountaineer. The number one most common problem is related to the vehicle's structure with 75 problems. The second most common problem is related to the vehicle's power train (62 problems).
In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2004 Mercury Mountaineer in the United States are 50,599 units [1]. If the total number of problems reported by Mercury Mountaineer owners in the last 18 years is 253, and the age of the vehicle is 18, the PPMY index can then be calculated as
PPMY Index = 253 / 50,599 / 18 * 1000 = 0.28.
For more information, refer to this page: A study of reliability comparison across Mercury Mountaineer model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Mercury Mountaineer in 2004.
Service Year | Number of Problems |
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2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
2015 | |
2014 | |
2013 | |
2012 | |
2011 | |
2010 | |
2009 | |
2008 | |
2007 | |
2006 | |
2005 | |
2004 |
When making the decision between buying a new or used Mercury Mountaineer, the following table can be used to compare the 2004 Mercury Mountaineer with the Mercury Mountaineer from other model years. Note that the number of problems reported for the 2004 Mountaineer is 253 while the average number of problems reported for the 15 model years of the Mercury Mountaineer is 170.
Model Year | Number of Problems |
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2010 Mountaineer | |
2009 Mountaineer | |
2008 Mountaineer | |
2007 Mountaineer | |
2006 Mountaineer | |
2005 Mountaineer | |
2004 Mountaineer | |
2003 Mountaineer | |
2002 Mountaineer | |
2001 Mountaineer | |
2000 Mountaineer | |
1999 Mountaineer | |
1998 Mountaineer | |
1997 Mountaineer | |
1996 Mountaineer |