Mercedes-Benz S-Class: brakes MOT failures
Brakes was a recorded failure area in 4.0% of Mercedes-Benz S-Class MOT tests in this dataset. It is most prominent on 1999, 2007 cars.
Pads/discs are routine wear; binding, imbalance or corroded pipes are more serious — test for pulling under braking. Typical repair cost: £100–£350 per axle (rough UK ballpark, not a quote).
Brakes failures by year
| Model year | Tests | Fail rate |
|---|---|---|
| 1999 | 1,373 | 6.5% |
| 2007 | 8,458 | 9.1% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-01. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.