Mercedes-Benz GLC 300 electrical system problems by year
86 NHTSA owner complaints name the electrical system across 7 GLC 300 model years. The most reported year is 2023 with 30 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2024 GLC 300 | 6 | 29% | — | |
| 2023 GLC 300 | 30 | 55% | — | |
| 2022 GLC 300 | 11 | 20% | — | |
| 2021 GLC 300 | 7 | 11% | — | |
| 2020 GLC 300 | 5 | 7% | — | |
| 2019 GLC 300 | 14 | 30% | — | |
| 2018 GLC 300 | 13 | 15% | — |
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.