Ford S-Max: lighting & signalling MOT failures
Lighting & signalling was a recorded failure area in 10.9% of Ford S-Max MOT tests in this dataset. It is most prominent on 2006, 2007 cars.
Often a cheap bulb, but persistent issues can mean wiring or corrosion in the units. Typical repair cost: £10–£150 (rough UK ballpark, not a quote).
Lighting & signalling failures by year
| Model year | Tests | Fail rate |
|---|---|---|
| 2006 | 14,062 | 18.0% |
| 2007 | 38,403 | 17.8% |
| 2016 | 39,961 | 4.0% |
| 2017 | 30,334 | 3.9% |
| 2018 | 13,811 | 3.7% |
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.