Mercedes-Benz GLS450 electrical system problems by year
22 NHTSA owner complaints name the electrical system across 2 GLS450 model years. The most reported year is 2021 with 14 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2021 GLS450 | 14 | 47% | — | |
| 2017 GLS450 | 8 | 24% | — |
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.