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2005 Mercedes-Benz B — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years
Current Age
55.9%
Latest Pass Rate
2,581
Total Tests (All Years)
100,807 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 55.9%
Average: 52.4%

✅ 3.5% above average (11197 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes-Benz B as it ages.

12 yrs59.9%
13 yrs58.3%
14 yrs53.9%
15 yrs55.9%

Bar chart showing pass rate by car age from 12 to 15 years

Fail Rate %
📊 View as table
AgePass RateTests
12 yrs59.9%940
13 yrs58.3%559
14 yrs53.9%583
15 yrs55.9%499

Pass Rate Trend

How the 2005 Mercedes-Benz B pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 4 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (15 yrs)55.9%499
2019 (14 yrs)53.9%583
2018 (13 yrs)58.3%559
2017 (12 yrs)59.9%940

Year-by-Year MOT Results

2017High Fail Rate
59.9%
Age (yrs) 12Tests 940Avg Mileage 90,135Top Failure Brakes — 41.0%
2018High Fail Rate
58.3%
Age (yrs) 13Tests 559Avg Mileage 92,248Top Failure Brakes — 46.0%
2019High Fail Rate
53.9%
Age (yrs) 14Tests 583Avg Mileage 96,382Top Failure Brakes — 51.1%
2020High Fail Rate
55.9%
Age (yrs) 15Tests 499Avg Mileage 100,807Top Failure Brakes — 53.5%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes-Benz B, with age trends.

Brakes
47.9%
↑ Increases with age
Suspension
30.7%
↓ Decreases with age
Lamps, reflectors and electrical equipment
30.3%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
27.7%
— Consistent
Tyres
23.6%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension40.4% (12 yrs)23.8% (15 yrs)
-16.6%
🟢 ↓
Brakes41.0% (12 yrs)53.5% (15 yrs)
+12.5%
🔴 ↑
Tyres17.3% (12 yrs)26.3% (15 yrs)
+9.0%
🔴 ↑

Other Manufacture Years

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

About This Data

This page shows how Mercedes-Benz B cars manufactured in 2005 perform at MOT as they age. Data spans from 2017 to 2020, covering 2,581 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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