43 problems have been reported for the 2007 Mercury Montego. The following chart shows the 14 most common problems for 2007 Mercury Montego. The number one most common problem is related to the vehicle's vehicle speed control with 11 problems. The second most common problem is related to the vehicle's power train (9 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 2007 Mercury Montego in the United States are 15,444 units [1]. If the total number of problems reported by Mercury Montego owners in the last 18 years is 43, and the age of the vehicle is 18, the PPMY index can then be calculated as
PPMY Index = 43 / 15,444 / 18 * 1000 = 0.15.
For more information, refer to this page: A study of reliability comparison across Mercury Montego model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2007 Mercury Montego in 2007.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 |
When making the decision between buying a new or used Mercury Montego, the following table can be used to compare the 2007 Mercury Montego with the Mercury Montego from other model years. Note that the number of problems reported for the 2007 Montego is 43 while the average number of problems reported for the 4 model years of the Mercury Montego is 87.
| Model Year | Number of Problems |
|---|---|
| 2007 Montego | |
| 2006 Montego | |
| 2005 Montego | |
| 2004 Montego |