2005 Mercedes C 230 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

59.8%

Latest Pass Rate

3,561

Total Tests (All Years)

97,701 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 59.8%

Average: 52.4%

✅ 7.4% above average (11197 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes C 230 as it ages.

4 yrs81.8%

→ ↓4.5%

5 yrs77.3%

→ ↓1.3%

6 yrs76.0%

→ ↓4.9%

7 yrs71.1%

→ ↓2.9%

8 yrs68.2%

→ ↑4.4%

9 yrs72.6%

→ ↓1.0%

10 yrs71.6%

→ ↓6.8%

11 yrs64.8%

→ ↑4.0%

12 yrs68.8%

→ ↓9.7%

13 yrs59.1%

→ ↓2.2%

14 yrs56.9%

→ ↑2.9%

15 yrs59.8%

📊 View as table

Age	Pass Rate	Tests
4 yrs	81.8%	347
5 yrs	77.3%	344
6 yrs	76.0%	337
7 yrs	71.1%	342
8 yrs	68.2%	327
9 yrs	72.6%	325
10 yrs	71.6%	310
11 yrs	64.8%	315
12 yrs	68.8%	308
13 yrs	59.1%	203
14 yrs	56.9%	209
15 yrs	59.8%	194

Pass Rate Trend

How the 2005 Mercedes C 230 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (15 yrs)	59.8%	194
2019 (14 yrs)	56.9%	209
2018 (13 yrs)	59.1%	203
2017 (12 yrs)	68.8%	308
2016 (11 yrs)	64.8%	315
2015 (10 yrs)	71.6%	310
2014 (9 yrs)	72.6%	325
2013 (8 yrs)	68.2%	327
2012 (7 yrs)	71.1%	342
2011 (6 yrs)	76%	337
2010 (5 yrs)	77.3%	344
2009 (4 yrs)	81.8%	347

Year-by-Year MOT Results

2009

81.8%

Age (yrs) 4Tests 347Avg Mileage 39,058Top Failure Lamps, Reflectors and Electrical Equipment — 8.1%

2010

77.3%

Age (yrs) 5Tests 344Avg Mileage 44,181Top Failure Tyres — 13.1%

2011

76.0%

Age (yrs) 6Tests 337Avg Mileage 53,426Top Failure Tyres — 11.0%

2012

71.1%

Age (yrs) 7Tests 342Avg Mileage 57,598Top Failure Tyres — 12.6%

2013

68.2%

Age (yrs) 8Tests 327Avg Mileage 63,264Top Failure Tyres — 25.4%

2014

72.6%

Age (yrs) 9Tests 325Avg Mileage 69,919Top Failure Suspension — 24.0%

2015

71.6%

Age (yrs) 10Tests 310Avg Mileage 76,750Top Failure Suspension — 24.5%

2016High Fail Rate

64.8%

Age (yrs) 11Tests 315Avg Mileage 82,378Top Failure Brakes — 30.8%

2017

68.8%

Age (yrs) 12Tests 308Avg Mileage 86,465Top Failure Suspension — 29.2%

2018High Fail Rate

59.1%

Age (yrs) 13Tests 203Avg Mileage 92,764Top Failure Suspension — 52.2%

2019High Fail Rate

56.9%

Age (yrs) 14Tests 209Avg Mileage 93,880Top Failure Suspension — 61.2%

2020High Fail Rate

59.8%

Age (yrs) 15Tests 194Avg Mileage 97,701Top Failure Brakes — 46.9%

MOT results for 2005 Mercedes C 230 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	81.8%	347	39,058	Lamps, Reflectors and Electrical Equipment — 8.1%
2010	5	77.3%	344	44,181	Tyres — 13.1%
2011	6	76.0%	337	53,426	Tyres — 11.0%
2012	7	71.1%	342	57,598	Tyres — 12.6%
2013	8	68.2%	327	63,264	Tyres — 25.4%
2014	9	72.6%	325	69,919	Suspension — 24.0%
2015	10	71.6%	310	76,750	Suspension — 24.5%
2016	11	64.8%	315	82,378	Brakes — 30.8%
2017	12	68.8%	308	86,465	Suspension — 29.2%
2018	13	59.1%	203	92,764	Suspension — 52.2%
2019	14	56.9%	209	93,880	Suspension — 61.2%
2020	15	59.8%	194	97,701	Brakes — 46.9%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes C 230, with age trends.

Lamps, reflectors and electrical equipment

24.9%

↑ Increases with age

Suspension

24.8%

↑ Increases with age

Brakes

22.0%

↑ Increases with age

Tyres

20.4%

↑ Increases with age

Noise, emissions and leaks

15.0%

↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	5.5% (4 yrs)	46.9% (15 yrs)	+41.4%	🔴 ↑
Suspension	2.0% (4 yrs)	38.7% (15 yrs)	+36.7%	🔴 ↑
Tyres	6.9% (4 yrs)	25.8% (15 yrs)	+18.9%	🔴 ↑

Other Manufacture Years

1996 1997 2005 2006 2007 2008 2009

← Back to Mercedes C 230 overview

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About This Data

This page shows how Mercedes C 230 cars manufactured in 2005 perform at MOT as they age. Data spans from 2009 to 2020, covering 3,561 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.