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2014 Mercedes-Benz B-Class — MOT History by Age

How cars manufactured in 2014 perform at MOT as they age

12 years
Current Age
76.3%
Latest Pass Rate
37,270
Total Tests (All Years)
71,174 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 10

This car: 76.3%
Average: 58.8%

✅ 17.5% above average (15326 models compared)

How This Car Ages

Pass rate progression for the 2014 Mercedes-Benz B-Class as it ages.

2 yrs88.1%
3 yrs87.6%
4 yrs84.7%
5 yrs80.2%
6 yrs81.1%
7 yrs80.5%
8 yrs79.4%
9 yrs75.3%
10 yrs76.3%

Bar chart showing pass rate by car age from 2 to 10 years

Fail Rate %
📊 View as table
AgePass RateTests
2 yrs88.1%84
3 yrs87.6%1,050
4 yrs84.7%734
5 yrs80.2%796
6 yrs81.1%813
7 yrs80.5%8,393
8 yrs79.4%6,732
9 yrs75.3%8,360
10 yrs76.3%10,308

Pass Rate Trend

How the 2014 Mercedes-Benz B-Class pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 9 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (10 yrs)76.3%10,308
2023 (9 yrs)75.3%8,360
2022 (8 yrs)79.4%6,732
2021 (7 yrs)80.5%8,393
2020 (6 yrs)81.1%813
2019 (5 yrs)80.2%796
2018 (4 yrs)84.7%734
2017 (3 yrs)87.6%1,050
2016 (2 yrs)88.1%84

Year-by-Year MOT Results

2016
88.1%
Age (yrs) 2Tests 84Avg Mileage 25,073Top Failure Tyres — 15.5%
2017
87.6%
Age (yrs) 3Tests 1,050Avg Mileage 26,888Top Failure Lamps, Reflectors and Electrical Equipment — 11.5%
2018
84.7%
Age (yrs) 4Tests 734Avg Mileage 33,969Top Failure Tyres — 15.3%
2019
80.2%
Age (yrs) 5Tests 796Avg Mileage 41,825Top Failure Tyres — 21.4%
2020
81.1%
Age (yrs) 6Tests 813Avg Mileage 47,412Top Failure Tyres — 19.8%
2021
80.5%
Age (yrs) 7Tests 8,393Avg Mileage 52,941Top Failure Tyres — 20.9%
2022
79.4%
Age (yrs) 8Tests 6,732Avg Mileage 58,770Top Failure Tyres — 20.8%
2023
75.3%
Age (yrs) 9Tests 8,360Avg Mileage 65,528Top Failure Tyres — 25.5%
2024
76.3%
Age (yrs) 10Tests 10,308Avg Mileage 71,174Top Failure Tyres — 19.4%

Common MOT Failures

Top failure categories across all test years for 2014 Mercedes-Benz B-Class, with age trends.

Tyres
18.8%
↑ Increases with age
Lamps, reflectors and electrical equipment
10.4%
— Consistent
Brakes
10.3%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
8.8%
↑ Increases with age
Suspension
8.4%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres15.5% (2 yrs)19.4% (10 yrs)
+3.9%
🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes-Benz B-Class page →

About This Data

This page shows how Mercedes-Benz B-Class cars manufactured in 2014 perform at MOT as they age. Data spans from 2016 to 2024, covering 37,270 tests. Pass rates naturally decline with age as components wear.

Based on DVSA anonymised MOT test data (2005–2024). Crown copyright, Open Government Licence v3.0.

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