Citroen C3: lighting & signalling MOT failures
Of the 1,262,865 Citroen C3 MOT tests in this dataset, 13.4% recorded at least one lighting & signalling failure. It shows up most on 2002 and 2004 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 |
|---|---|---|
| 2002 | 9,337 | 22.8% |
| 2003 | 25,733 | 22.6% |
| 2004 | 30,852 | 23.2% |
| 2005 | 36,501 | 21.3% |
| 2006 | 39,650 | 19.4% |
| 2007 | 43,655 | 18.7% |
| 2008 | 38,698 | 17.1% |
| 2009 | 71,017 | 18.4% |
| 2010 | 132,180 | 16.2% |
| 2011 | 107,659 | 16.3% |
| 2012 | 100,983 | 17.2% |
| 2013 | 88,438 | 14.1% |
| 2014 | 88,441 | 11.4% |
| 2015 | 76,396 | 10.2% |
| 2016 | 64,730 | 9.0% |
| 2017 | 108,538 | 7.8% |
| 2018 | 87,207 | 5.7% |
| 2019 | 60,477 | 5.2% |
| 2020 | 25,911 | 3.7% |
| 2021 | 18,024 | 3.5% |
| 2022 | 7,871 | 2.4% |
| 2023 | 516 | 2.3% |
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.