10 problems have been reported for the 1999 Mercedes Benz 420. The following chart shows the 9 most common problems for 1999 Mercedes Benz 420. The number one most common problem is related to the vehicle's electrical system with 2 problems. The second most common problem is related to the vehicle's structure (1 problem).
| Problem Category | Number of Problems |
|---|---|
| Electrical System | |
| Structure | |
| Unknown Or Other | |
| Visibility | |
| Service Brakes | |
| Wheel | |
| Power Train | |
| Gasoline Fuel System | |
| Steering |
The following chart shows the number of problems reported during each of the service years since the debut of the 1999 Mercedes Benz 420 in 1999.
| 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 | |
| 2002 | |
| 2001 | |
| 2000 | |
| 1999 |
When making the decision between buying a new or used Mercedes Benz 420, the following table can be used to compare the 1999 Mercedes Benz 420 with the Mercedes Benz 420 from other model years. Note that the number of problems reported for the 1999 420 is 10 while the average number of problems reported for the 3 model years of the Mercedes Benz 420 is 12.