2015–2027 · 12 model years · 27 recalls
We don't rate the Mercedes-Benz SL-Class yet, because we don't have its sales figures. The 2022 has the most owner complaints filed with NHTSA (16). Owners complain most about electrical system. Popular years get more complaints, so treat these counts as a guide to what goes wrong, not a ranking.
Owner complaints filed with NHTSA, all years 2015–2027.
| Model year | Reliability | Complaints | Recalls | Best mpg |
|---|---|---|---|---|
| 2027 SL-Class | Not rated yet | 0 | 0 | 23 |
| 2026 SL-Class | Not rated yet | 0 | 1 | 22 |
| 2025 SL-Class | Not rated yet | 0 | 1 | 22 |
| 2024 SL-Class | Not rated yet | 0 | 2 | 22 |
| 2023 SL-Class | Not rated yet | 3 | 5 | 23 |
| 2022 SL-Class | Not rated yet | 16 | 4 | 16 |
| 2020 SL-Class | Not rated yet | 5 | 3 | 22 |
| 2019 SL-Class | Not rated yet | 0 | 4 | 23 |
| 2018 SL-Class | Not rated yet | 3 | 2 | 23 |
| 2017 SL-Class | Not rated yet | 4 | 1 | 23 |
| 2016 SL-Class | Not rated yet | 1 | 1 | 23 |
| 2015 SL-Class | Not rated yet | 4 | 3 | 23 |
Reliability compares each year with similar cars from 2015 to 2024, using owner complaints filed with NHTSA per car sold. Complaint counts on their own aren't a score: popular cars get more of them.
Owners complain most about electrical system, engine & cooling, driver-assist & stability.
The 2023, with 5 recalls on record with NHTSA.