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2017 Mercedes-Benz Unclassified — MOT History by Age

How cars manufactured in 2017 perform at MOT as they age

9 years
Current Age
89.5%
Latest Pass Rate
239
Total Tests (All Years)
54,739 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 7

This car: 89.5%
Average: 69.5%

✅ 20.0% above average (17409 models compared)

How This Car Ages

Pass rate progression for the 2017 Mercedes-Benz Unclassified as it ages.

3 yrs90.2%
4 yrs87.9%
5 yrs88.6%
6 yrs92.5%
7 yrs89.5%

Bar chart showing pass rate by car age from 3 to 7 years

Fail Rate %
📊 View as table
AgePass RateTests
3 yrs90.2%41
4 yrs87.9%66
5 yrs88.6%35
6 yrs92.5%40
7 yrs89.5%57

Pass Rate Trend

How the 2017 Mercedes-Benz Unclassified pass rate changes as it ages, from first MOT to most recent.

Trend shows stable over 5 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (7 yrs)89.5%57
2023 (6 yrs)92.5%40
2022 (5 yrs)88.6%35
2021 (4 yrs)87.9%66
2020 (3 yrs)90.2%41

Year-by-Year MOT Results

2020
90.2%
Age (yrs) 3Tests 41Avg Mileage 40,057Top Failure Lamps, reflectors and electrical equipment — 9.8%
2021
87.9%
Age (yrs) 4Tests 66Avg Mileage 58,657Top Failure Tyres — 13.6%
2022
88.6%
Age (yrs) 5Tests 35Avg Mileage 65,507Top Failure Brakes — 11.4%
2023
92.5%
Age (yrs) 6Tests 40Avg Mileage 58,561Top Failure Brakes — 10.0%
2024
89.5%
Age (yrs) 7Tests 57Avg Mileage 54,739Top Failure Tyres — 10.5%

Common MOT Failures

Top failure categories across all test years for 2017 Mercedes-Benz Unclassified, with age trends.

Brakes
8.3%
↓ Decreases with age
Tyres
7.9%
↑ Increases with age
Lamps, reflectors and electrical equipment
7.3%
↓ Decreases with age
Suspension
5.2%
— Consistent
Body, chassis, structure
4.2%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres2.4% (3 yrs)10.5% (7 yrs)
+8.1%
🔴 ↑
Seat belts and supplementary restraint systems2.4% (3 yrs)1.8% (7 yrs)
-0.6%
⚪ —

Other Manufacture Years

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

About This Data

This page shows how Mercedes-Benz Unclassified cars manufactured in 2017 perform at MOT as they age. Data spans from 2020 to 2024, covering 239 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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