Reliability & cost of ownership
Mercedes Benz SLK320 Reliability & Common Problems
How reliable is the Mercedes Benz SLK320? 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 SLK320 problems by model year
28 owner complaints on file across 2 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 |
|---|---|---|---|---|
| 2003 SLK320 | Not confirmed | 2 | No overall rating on file | Recalls & complaints → |
| 2001 SLK320 | Not confirmed | 26 | No overall rating on file | AI reliability outlook → |
Most-complained-about components
Owner complaints filed with NHTSA against the Mercedes Benz SLK320, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- service brakes12 complaints
- electronic stability control (esc)10 complaints
- exterior lighting9 complaints
- electrical system6 complaints
- vehicle speed control2 complaints
- unknown or other2 complaints
- steering2 complaints
- service brakes, hydraulic2 complaints