Mercedes-Benz 300 electrical system problems by year
33 NHTSA owner complaints name the electrical system across 4 300 model years. The most reported year is 1993 with 24 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 1993 300 | 24 | 62% | 103,756 mi | |
| 1992 300 | 5 | 23% | — | |
| 1991 300 | 3 | 16% | — | |
| 1987 300 | 1 | 3% | — |
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.