Land Rover Discovery vs Mercedes-Benz Ml
On MOT-testable defects, the Land Rover Discovery (fail rate 17.0%) performed better than the Mercedes-Benz Ml (19.6%) across comparable years. The biggest divergence was body, structure & corrosion, where the Discovery recorded failures more often.
17.0%
Discovery fail rate
19.6%
Ml fail rate
2.55pp
Difference
Side by side
| Metric | Land Rover Discovery | Mercedes-Benz Ml |
|---|---|---|
| MOT tests analysed | 1,357,150 | 214,052 |
| Pass rate | 83.0% | 80.4% |
| Fail rate | 17.0% | 19.6% |
Where they differ
| Category | Discovery | Ml |
|---|---|---|
| Body, structure & corrosion | 3.6% | 0.0% |
| Emissions & environmental | 0.0% | 3.4% |
| Lighting & signalling | 7.5% | 10.9% |
| Brakes | 5.9% | 7.2% |
| Suspension | 5.8% | 6.7% |
| Tyres | 4.1% | 4.6% |
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.