Land Rover Discovery: lighting & signalling MOT failures
Lighting & signalling was a recorded failure area in 7.5% of Land Rover Discovery MOT tests in this dataset. It is most prominent on 1998, 2001 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 |
|---|---|---|
| 1997 | 7,386 | 15.8% |
| 1998 | 8,210 | 16.6% |
| 1999 | 14,646 | 16.4% |
| 2000 | 16,530 | 15.8% |
| 2001 | 25,429 | 16.6% |
| 2002 | 31,384 | 16.1% |
| 2003 | 38,449 | 15.1% |
| 2004 | 43,210 | 14.5% |
| 2005 | 52,598 | 13.3% |
| 2006 | 52,722 | 14.8% |
| 2007 | 45,531 | 13.5% |
| 2008 | 32,961 | 11.6% |
| 2013 | 38,489 | 6.7% |
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.