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2005 Mercedes-Benz C 320 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years
Current Age
65.1%
Latest Pass Rate
481
Total Tests (All Years)
124,239 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 19

This car: 65.1%
Average: 55.4%

✅ 9.7% above average (7550 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes-Benz C 320 as it ages.

16 yrs58.9%
17 yrs63.5%
18 yrs57.7%
19 yrs65.1%

Bar chart showing pass rate by car age from 16 to 19 years

Fail Rate %
📊 View as table
AgePass RateTests
16 yrs58.9%146
17 yrs63.5%115
18 yrs57.7%111
19 yrs65.1%109

Pass Rate Trend

How the 2005 Mercedes-Benz C 320 pass rate changes as it ages, from first MOT to most recent.

Trend shows improving over 4 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (19 yrs)65.1%109
2023 (18 yrs)57.7%111
2022 (17 yrs)63.5%115
2021 (16 yrs)58.9%146

Year-by-Year MOT Results

2021High Fail Rate
58.9%
Age (yrs) 16Tests 146Avg Mileage 116,212Top Failure Suspension — 80.1%
2022High Fail Rate
63.5%
Age (yrs) 17Tests 115Avg Mileage 120,638Top Failure Suspension — 86.1%
2023High Fail Rate
57.7%
Age (yrs) 18Tests 111Avg Mileage 123,809Top Failure Suspension — 73.0%
2024
65.1%
Age (yrs) 19Tests 109Avg Mileage 124,239Top Failure Suspension — 58.7%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes-Benz C 320, with age trends.

Suspension
74.5%
↓ Decreases with age
Brakes
48.8%
↓ Decreases with age
Tyres
27.8%
— Consistent
Lamps, reflectors and electrical equipment
21.6%
— Consistent
Noise, emissions and leaks
13.3%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension80.1% (16 yrs)58.7% (19 yrs)
-21.4%
🟢 ↓
Brakes58.2% (16 yrs)47.7% (19 yrs)
-10.5%
🟢 ↓
Tyres28.8% (16 yrs)26.6% (19 yrs)
-2.2%
🟢 ↓
Lamps, reflectors and electrical equipment26.0% (16 yrs)24.8% (19 yrs)
-1.2%
⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes-Benz C 320 page →

About This Data

This page shows how Mercedes-Benz C 320 cars manufactured in 2005 perform at MOT as they age. Data spans from 2021 to 2024, covering 481 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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