Reliability & cost of ownership
Mercedes Benz 300 Reliability & Common Problems
How reliable is the Mercedes Benz 300? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars where on file — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
Mercedes Benz 300 problems by model year
40 owner complaints on file across 6 model years, sourced from the federal NHTSA database. We couldn't confirm the NHTSA recall list for those years — check the VIN at nhtsa.gov/recalls.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2002 300 | Not confirmed | 3 | No overall rating on file | Recalls & complaints → |
| 1999 300 | Not confirmed | 6 | No overall rating on file | Recalls & complaints → |
| 1998 300 | Not confirmed | 2 | No overall rating on file | Recalls & complaints → |
| 1997 300 | Not confirmed | 5 | No overall rating on file | Recalls & complaints → |
| 1996 300 | Not confirmed | 8 | No overall rating on file | Recalls & complaints → |
| 1995 300 | Not confirmed | 16 | No overall rating on file | AI reliability outlook → |
Most-complained-about components
Owner complaints filed with NHTSA against the Mercedes Benz 300, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- electrical system13 complaints
- power train5 complaints
- service brakes, hydraulic4 complaints
- engine and engine cooling4 complaints
- fuel system, gasoline3 complaints
- suspension3 complaints
- exterior lighting3 complaints
- unknown or other2 complaints