Model Year Comparison
- Worst Model Year
- Worst Category
- electrical Problems
We don't have a lot of complaints on file for the Mercedes-Benz 450SLC — feel free to add yours here. Probably because it's so old, no one bothers to post complaints anymore.
The 1973 Mercedes-Benz 450SLC has the most overall complaints, & we also rate 1973 as the worst model year ranked on several factors such as repair cost & average mileage when problems occur. The most-reported problem is also with the 1973 450SLC for parking lights will not shut off.