Mercedes-Benz GLS-450 electrical system problems by year
18 NHTSA owner complaints name the electrical system across 1 GLS-450 model years. The most reported year is 2020 with 18 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2020 GLS-450 | 18 | 51% | — |
Share is the fraction of that year’s complaints naming the electrical system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.