Reliability & cost of ownership
Mercedes Benz 420 Reliability & Common Problems
How reliable is the Mercedes Benz 420? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for a full reliability and repair-cost forecast.
Mercedes Benz 420 problems by model year
0 recall entries and 43 owner complaints on file across 4 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 1999 420 | 0 | 5 | No NCAP test | Reliability forecast → |
| 1997 420 | 0 | 22 | No NCAP test | Reliability forecast → |
| 1996 420 | 0 | 1 | No NCAP test | Reliability forecast → |
| 1995 420 | 0 | 15 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Mercedes Benz 420, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- suspension11 complaints
- electrical system8 complaints
- power train6 complaints
- fuel system4 complaints
- gasoline4 complaints
- visibility3 complaints
- seat belts2 complaints
- service brakes2 complaints