2020–2026 · 7 model years · 39 recalls
We don't rate the Mercedes-Benz GLB-Class yet, because we don't have its sales figures. The 2020 has the most owner complaints filed with NHTSA (93). Owners complain most about body, glass & interior. 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 2020–2026.
| Model year | Reliability | Complaints | Recalls | Best mpg |
|---|---|---|---|---|
| 2026 GLB-Class | Not rated yet | 1 | 1 | 28 |
| 2025 GLB-Class | Not rated yet | 3 | 2 | 28 |
| 2024 GLB-Class | Not rated yet | 9 | 2 | 28 |
| 2023 GLB-Class | Not rated yet | 19 | 1 | 27 |
| 2022 GLB-Class | Not rated yet | 32 | 1 | 27 |
| 2021 GLB-Class | Not rated yet | 55 | 12 | 26 |
| 2020 GLB-Class | Not rated yet | 93 | 20 | 26 |
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 body, glass & interior, engine & cooling, electrical system.
The 2020, with 20 recalls on record with NHTSA.