Mercedes-Benz GLS450 — YEARS TO AVOID
Data updated 2026-08-02. Complaints are unverified owner reports filed with NHTSA.
COMPLAINT HISTORY
View as data table
| Year | Complaints |
|---|---|
| 2016 | 0 |
| 2017 | 34 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 30 |
EVERY YEAR, RANKED
| Year | Ranking | Complaints | Why |
|---|---|---|---|
| 2021 | Not enough data | 30 | Not enough comparison years on file yet for a fair verdict. |
| 2020 | Not enough data | 1 | Only 1 complaint on file — too few for a fair verdict. |
| 2019 | Not enough data | 4 | Only 4 complaints on file — too few for a fair verdict. |
| 2017 | Not enough data | 34 | Not enough comparison years on file yet for a fair verdict. |
| 2016 | Not enough data | 0 | Only 0 complaints on file — too few for a fair verdict. |