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2020 Mercedes-Benz C 300 Amg Line Ed Prem D A — MOT History by Age

How cars manufactured in 2020 perform at MOT as they age

6 years
Current Age
90.4%
Latest Pass Rate
1,877
Total Tests (All Years)
42,726 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for C 300 Amg Line Ed Prem D A

Compared to Average at Age 4

This car: 90.4%
Average: 81.1%

✅ 9.3% above average (23031 models compared)

How This Car Ages

Pass rate progression for the 2020 Mercedes-Benz C 300 Amg Line Ed Prem D A as it ages.

2 yrs94.1%
3 yrs87.3%
4 yrs90.4%

Bar chart showing pass rate by car age from 2 to 4 years

Fail Rate %
📊 View as table
AgePass RateTests
2 yrs94.1%34
3 yrs87.3%663
4 yrs90.4%1,180

Pass Rate Trend

How the 2020 Mercedes-Benz C 300 Amg Line Ed Prem D A pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 3 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (4 yrs)90.4%1,180
2023 (3 yrs)87.3%663
2022 (2 yrs)94.1%34

Year-by-Year MOT Results

2022
94.1%
Age (yrs) 2Tests 34Avg Mileage 20,773Top Failure Lamps, reflectors and electrical equipment — 5.9%
2023
87.3%
Age (yrs) 3Tests 663Avg Mileage 29,225Top Failure Tyres — 24.0%
2024
90.4%
Age (yrs) 4Tests 1,180Avg Mileage 42,726Top Failure Tyres — 14.2%

Common MOT Failures

Top failure categories across all test years for 2020 Mercedes-Benz C 300 Amg Line Ed Prem D A, with age trends.

Tyres
13.7%
↑ Increases with age
Brakes
4.8%
— Consistent
Lamps, reflectors and electrical equipment
3.3%
↓ Decreases with age
Visibility
2.2%
— Consistent
Noise, emissions and leaks
1.4%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres2.9% (2 yrs)14.2% (4 yrs)
+11.3%
🔴 ↑
Lamps, reflectors and electrical equipment5.9% (2 yrs)1.3% (4 yrs)
-4.6%
🟢 ↓
Visibility2.9% (2 yrs)1.0% (4 yrs)
-1.9%
⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes-Benz C 300 Amg Line Ed Prem D A page →

About This Data

This page shows how Mercedes-Benz C 300 Amg Line Ed Prem D A cars manufactured in 2020 perform at MOT as they age. Data spans from 2022 to 2024, covering 1,877 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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