69 problems have been reported for the 2009 Lincoln MKS. The following chart shows the 15 most common problems for 2009 Lincoln MKS. The number one most common problem is related to the vehicle's service brakes, hydraulic with 20 problems. The second most common problem is related to the vehicle's air bags (8 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 2009 Lincoln MKS in the United States are 26,321 units [1]. If the total number of problems reported by Lincoln MKS owners in the last 15 years is 69, and the age of the vehicle is 15, the PPMY index can then be calculated as
PPMY Index = 69 / 26,321 / 15 * 1000 = 0.17.
For more information, refer to this page: A study of reliability comparison across Lincoln MKS model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Lincoln MKS in 2009.
| Service Year | Number of Problems |
|---|---|
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 |
When making the decision between buying a new or used Lincoln MKS, the following table can be used to compare the 2009 Lincoln MKS with the Lincoln MKS from other model years. Note that the number of problems reported for the 2009 MKS is 69 while the average number of problems reported for the 8 model years of the Lincoln MKS is 54.