Mercedes-Benz GLS-Class: which model years to avoid
Complaint and recall totals for every Mercedes-Benz GLS-Class model year we track, ranked by severity.
| Model year | Complaints | Recalls | Crashes | Fires | Severity | Most-reported system |
|---|---|---|---|---|---|---|
| 2017 | 41 | 0 | 1 | 5 | 122.0 High | UNKNOWN OR OTHER |
| 2018 | 22 | 0 | 1 | 3 | 100.0 High | SERVICE BRAKES |
| 2019 | 26 | 0 | 1 | 2 | 123.1 High | UNKNOWN OR OTHER |
| 2020 | 38 | 0 | 3 | 1 | 110.5 High | ELECTRICAL SYSTEM |
| 2021 | 36 | 0 | 2 | 2 | 100.0 High | ELECTRICAL SYSTEM |
| 2022 | 15 | 0 | 2 | 1 | 93.3 Medium | FORWARD COLLISION AVOIDANCE |
Across 6 model years, the 2019 Mercedes-Benz GLS-Class carries the highest severity index (123.1, driven by unknown or other), while the 2022 is the cleanest at 93.3.
Source. NHTSA public complaint and recall APIs. Complaint counts are not normalised by units sold; a high-volume seller will attract more filings than a rare trim.