Citroen DS3: lighting & signalling MOT failures
Of the 498,962 Citroen DS3 MOT tests in this dataset, 14.9% recorded at least one lighting & signalling failure. It shows up most on 2011 and 2012 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 |
|---|---|---|
| 2010 | 28,307 | 15.0% |
| 2011 | 65,098 | 19.0% |
| 2012 | 102,048 | 18.4% |
| 2013 | 123,393 | 13.6% |
| 2014 | 121,824 | 12.5% |
| 2015 | 56,292 | 12.0% |
| 2016 | 1,310 | 8.5% |
| 2017 | 475 | 11.6% |
Methodology & source. Dataset: DVSA MOT testing data (2021,2022,2023,2024,2025). Data last updated 2026-07-27. Figures reflect MOT-testable defects only — read the methodology for how these are calculated and what they don't measure.