9 problems have been reported for the 2003 Mercedes Benz SLK. The following chart shows the 5 most common problems for 2003 Mercedes Benz SLK. The number one most common problem is related to the vehicle's electrical system with 3 problems. The second most common problem is related to the vehicle's exterior lighting (2 problems).
| Problem Category | Number of Problems |
|---|---|
| Electrical System | |
| Exterior Lighting | |
| Visibility | |
| Steering | |
| Electronic Stability Control |
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 2003 Mercedes Benz SLK in the United States are 6,984 units [1]. If the total number of problems reported by Mercedes Benz SLK owners in the last 19 years is 9, and the age of the vehicle is 19, the PPMY index can then be calculated as
PPMY Index = 9 / 6,984 / 19 * 1000 = 0.07.
For more information, refer to this page: A study of reliability comparison across Mercedes Benz SLK model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2003 Mercedes Benz SLK in 2003.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 | |
| 2003 |
When making the decision between buying a new or used Mercedes Benz SLK, the following table can be used to compare the 2003 Mercedes Benz SLK with the Mercedes Benz SLK from other model years. Note that the number of problems reported for the 2003 SLK is 9 while the average number of problems reported for the 10 model years of the Mercedes Benz SLK is 9.