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

Lighting & signalling fail rate by model year — Land Rover Discovery
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.

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