Rivian R1S service brakes problems by year
11 NHTSA owner complaints name the service brakes across 2 R1S model years. The most reported year is 2023 with 6 reports.
| Year | Service Brakes reports | Share | Median mileage | |
|---|---|---|---|---|
| 2025 R1S | 5 | 10% | — | |
| 2023 R1S | 6 | 8% | — |
Share is the fraction of that year’s complaints naming the service brakes. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.