2020 Mercedes-Benz GLB-Class: owner complaints and recalls
Analysis of 56 owner complaints filed with NHTSA and 0 recall campaigns. Updated 2026-07-25.
56
Complaints
0
Recalls
2
Crash reports
1
Fire reports
3
Injuries
67.9
Severity index
Severity index 67.9 - Medium. This weights crashes, fires, injuries and fatalities per 100 complaints; see methodology.
Among the 103 2020 vehicles we track with at least 40 complaints on file, the 2020 Mercedes-Benz GLB-Class ranks 42 of 103 by severity, where 1 is the worst. Its severity is higher than 59% of its model-year peers. See the full 2020 ranking.
What actually fails
| Component | Complaints | Share of complaints citing it |
|---|---|---|
| STRUCTURE | 14 | 25.0% |
| UNKNOWN OR OTHER | 12 | 21.4% |
| ELECTRICAL SYSTEM | 9 | 16.1% |
| ENGINE | 8 | 14.3% |
| AIR BAGS | 7 | 12.5% |
| SUSPENSION | 6 | 10.7% |
| FUEL/PROPULSION SYSTEM | 4 | 7.1% |
| STEERING | 3 | 5.4% |
The single most-reported system is STRUCTURE, cited in 14 of 56 complaints (25.0%). One complaint can name several systems, so these shares overlap and do not total 100%.
Complaints filed per year
| Year | Complaints |
|---|---|
| 2020 | 14 |
| 2021 | 8 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 9 |
| 2025 | 5 |
| 2026 (year to date) | 5 |
Complaint volume is declining, consistent with a defect that was addressed by recall or that affected early builds.
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.