Mercedes-Benz B-Class Recorded MOT Outcomes
Evidence scope: This page summarises past outcomes for a make/model group. It does not use the condition, service history or current defects of a particular vehicle, so it is not a pass prediction, diagnosis or buying recommendation.
Recorded Failure Rate by Age Band
| Age band | Failure rate | Tests | Highest recorded component category |
|---|---|---|---|
| 0-2 years | 8.3% | 11,661 | Tyres |
| 3-5 years | 10.8% | 56,178 | Tyres |
| 6-10 years | 21.3% | 133,888 | Lamps & Electrics |
| 11-15 years | 37.9% | 90,872 | Lamps & Electrics |
| 15+ years | 44.5% | 15,169 | Lamps & Electrics |
Recorded Component-Category Rates
Each percentage is a sample-size-weighted historical category rate across the included age and mileage groups.
| Component category | Recorded rate |
|---|---|
| Lamps & Electrics | 4.9% |
| Suspension | 3.8% |
| Tyres | 3.2% |
| Brakes | 3.0% |
| Visibility | 1.9% |
| Body & Chassis | 1.5% |
| Steering | 0.2% |
These categories describe aggregate records. They do not show that a specific vehicle has a component fault.
Other Mercedes-Benz Model Groups
Groups With Similar Recorded Rates
Method: Failure and component-category rates are sample-size weighted. Only age/mileage groups with at least 100 tests are included. The checked-in source contains 148,509,908 tests and 39,969,903 failures.
Source: DVSA anonymised MOT tests and results, reused under the Open Government Licence v3.
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