Worst years for a Mercedes Benz 420
Owners have filed 91 complaints about the Mercedes Benz 420 with NHTSA across model years 1986 to 1999. More of them are about the electrical system than anything else.
Cleanest on record
1999 Mercedes Benz 42010 complaints — the lowest FaultScore of the graded years.
Every Mercedes Benz 420 year, graded
The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.
| Year | Grade | Complaints | Crashes | Fires | Median miles | Most reported |
|---|---|---|---|---|---|---|
| 1999 | A | 10 | 0 | 0 | — | Electrical System |
| 1997 | C | 24 | 1 | 1 | 123,000 | Suspension |
| 1996 | — | 2 | 0 | 0 | — | Electrical System |
| 1995 | C | 16 | 1 | 2 | 91,567 | Electrical System |
| 1994 | C | 17 | 2 | 0 | 110,125 | Electrical System |
| 1991 | — | 4 | 1 | 1 | — | Airbags |
| 1990 | — | 3 | 0 | 0 | — | Equipment & Accessories |
| 1989 | — | 2 | 1 | 0 | — | Engine & Cooling |
| 1988 | — | 1 | 0 | 0 | — | Acceleration & Cruise Control |
| 1987 | — | 3 | 1 | 0 | — | Engine & Cooling |
| 1986 | — | 9 | 2 | 0 | — | Acceleration & Cruise Control |
What breaks on a Mercedes Benz 420
Across every model year on file. Follow a row for that part's complaints and the year it was worst.
Worst in 1995
Worst in 1997
Worst in 1994
Worst in 1987
Worst in 1997
Worst in 1986
Worst in 1997
Worst in 1990
Worst in 1994
Worst in 1994
Worst in 1986
Worst in 1986
Worst in 1995
Worst in 1997
Complaints filed over time
Every complaint about every Mercedes Benz 420, by the month it reached NHTSA.
Compare the Mercedes Benz 420
Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.