2014 Mercedes-Benz B MOT Pass Rate
Pass rate for B models manufactured in 2014, based on 22,214 real MOT test results.
Data from official DVSA MOT testing records
This page shows all B cars tested in 2014. Want to see how cars built in 2014 hold up over time?
View 2014 Mercedes-Benz B vintage page → (81.9% current pass rate)2014 Mercedes-Benz B MOT Analysis
The 2014 Mercedes-Benz B has an MOT pass rate of 85.5% based on 22,214 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 36,302 miles on the odometer. With a 14.5% failure rate, the 2014 B is rated as "Excellent" for MOT reliability.
The leading cause of MOT failure for the 2014 Mercedes-Benz B is Identification of the vehicle, responsible for 0.0% of failures. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs range from £10–50. Lamps, reflectors and electrical equipment is the second most common issue at 0.0%.
Top failures specific to 2014 models only. The overall B page may show different rankings.
What Fails Most
What Fails on This Car?
Click a category to see specific failure items.
View as table
| Rank | Failure Category | Rate (%) | Count |
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Mileage Statistics
Mileage-adjusted failure rate — accounts for how much this model year is typically driven.
About This Data
The 2014 Mercedes-Benz B has an MOT pass rate of 85.5% based on 22,214 tests — well above the UK average for UK vehicles. Cars of this vintage present for MOT with an average of 36,302 miles on the odometer. With a 14.5% failure rate, the 2014 B is rated as "Excellent" for MOT reliability.
If you own or are considering buying a 2014 Mercedes-Benz B, you can expect reliable MOT performance overall. Before your MOT, pay particular attention to identification of the vehicle: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing. With relatively low average mileage of 36,302 miles, many of these vehicles are still in good mechanical condition.
Identification of the vehicle — 0.0% of failures
Identification of the vehicle issues account for 0.0% of MOT failures on 2014 Mercedes-Benz B models. Identification failures relate to the Vehicle Identification Number (VIN) and registration plate. The VIN must be permanently displayed and legible, and the registration plate must meet British Standard formatting. Typical repair costs: £10–50. Pre-MOT check: Ensure the VIN plate is visible and legible (usually in the windscreen or under the bonnet). Check that number plates are clean, undamaged, and use the correct font and spacing.
Lamps, reflectors and electrical equipment — 0.0% of failures
Lamps, reflectors and electrical equipment issues account for 0.0% of MOT failures on 2014 Mercedes-Benz B models. Lighting failures cover all external lights: headlights, tail lights, brake lights, indicators, fog lights, and reflectors. A single blown bulb will cause an MOT fail. This is one of the most preventable failure categories. Typical repair costs: £5–50. Pre-MOT check: Walk around the car and check every light — headlights (dipped and main beam), side lights, tail lights, brake lights, indicators, hazard lights, reverse light, rear fog light, and number plate lights. Replace any blown bulbs before the test.
Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.