2017–2020 · 4 model years · 7 recalls
We don't rate the Mercedes-Benz SLC-Class yet, because we don't have its sales figures. The 2017 has the most owner complaints filed with NHTSA (5). 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 2017–2020.
| Model year | Reliability | Complaints | Recalls | Best mpg |
|---|---|---|---|---|
| 2020 SLC-Class | Not rated yet | 2 | 2 | 27 |
| 2019 SLC-Class | Not rated yet | 2 | 2 | 27 |
| 2018 SLC-Class | Not rated yet | 1 | 1 | 27 |
| 2017 SLC-Class | Not rated yet | 5 | 2 | 27 |
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, body, glass & interior.
The 2020, with 2 recalls on record with NHTSA.