Mercedes-Benz S550 electrical system problems by year
21 NHTSA owner complaints name the electrical system across 4 S550 model years. The most reported year is 2007 with 11 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2015 S550 | 5 | 12% | — | |
| 2014 S550 | 1 | 4% | — | |
| 2008 S550 | 4 | 21% | — | |
| 2007 S550 | 11 | 20% | — |
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.