2005 Mercedes C 230k — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

61.5%

Latest Pass Rate

3,106

Total Tests (All Years)

95,606 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 61.5%

Average: 52.4%

✅ 9.1% above average (11197 models compared)

How This Car Ages

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

4 yrs81.8%

→ ↓7.0%

5 yrs74.8%

→ ↓5.2%

6 yrs69.6%

→ ↓2.1%

7 yrs67.5%

→ ↓0.3%

8 yrs67.2%

→ ↓2.0%

9 yrs65.2%

→ ↓0.8%

10 yrs64.4%

→ ↑0.7%

11 yrs65.1%

→ ↓5.2%

12 yrs59.9%

→ ↑4.0%

13 yrs63.9%

→ ↑0.3%

14 yrs64.2%

→ ↓2.7%

15 yrs61.5%

📊 View as table

Age	Pass Rate	Tests
4 yrs	81.8%	335
5 yrs	74.8%	317
6 yrs	69.6%	322
7 yrs	67.5%	305
8 yrs	67.2%	299
9 yrs	65.2%	296
10 yrs	64.4%	292
11 yrs	65.1%	284
12 yrs	59.9%	227
13 yrs	63.9%	147
14 yrs	64.2%	134
15 yrs	61.5%	148

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2020 (15 yrs)	61.5%	148
2019 (14 yrs)	64.2%	134
2018 (13 yrs)	63.9%	147
2017 (12 yrs)	59.9%	227
2016 (11 yrs)	65.1%	284
2015 (10 yrs)	64.4%	292
2014 (9 yrs)	65.2%	296
2013 (8 yrs)	67.2%	299
2012 (7 yrs)	67.5%	305
2011 (6 yrs)	69.6%	322
2010 (5 yrs)	74.8%	317
2009 (4 yrs)	81.8%	335

Year-by-Year MOT Results

2009

81.8%

Age (yrs) 4Tests 335Avg Mileage 37,896Top Failure Tyres — 8.1%

2010

74.8%

Age (yrs) 5Tests 317Avg Mileage 46,879Top Failure Tyres — 11.7%

2011

69.6%

Age (yrs) 6Tests 322Avg Mileage 56,393Top Failure Lamps, Reflectors and Electrical Equipment — 14.6%

2012

67.5%

Age (yrs) 7Tests 305Avg Mileage 61,014Top Failure Lamps, Reflectors and Electrical Equipment — 14.8%

2013

67.2%

Age (yrs) 8Tests 299Avg Mileage 66,624Top Failure Tyres — 26.4%

2014

65.2%

Age (yrs) 9Tests 296Avg Mileage 70,373Top Failure Suspension — 38.2%

2015High Fail Rate

64.4%

Age (yrs) 10Tests 292Avg Mileage 76,203Top Failure Suspension — 36.6%

2016

65.1%

Age (yrs) 11Tests 284Avg Mileage 80,988Top Failure Suspension — 39.1%

2017High Fail Rate

59.9%

Age (yrs) 12Tests 227Avg Mileage 89,742Top Failure Suspension — 57.7%

2018High Fail Rate

63.9%

Age (yrs) 13Tests 147Avg Mileage 90,919Top Failure Suspension — 47.6%

2019High Fail Rate

64.2%

Age (yrs) 14Tests 134Avg Mileage 94,674Top Failure Suspension — 42.5%

2020High Fail Rate

61.5%

Age (yrs) 15Tests 148Avg Mileage 95,606Top Failure Suspension — 47.3%

MOT results for 2005 Mercedes C 230k by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	81.8%	335	37,896	Tyres — 8.1%
2010	5	74.8%	317	46,879	Tyres — 11.7%
2011	6	69.6%	322	56,393	Lamps, Reflectors and Electrical Equipment — 14.6%
2012	7	67.5%	305	61,014	Lamps, Reflectors and Electrical Equipment — 14.8%
2013	8	67.2%	299	66,624	Tyres — 26.4%
2014	9	65.2%	296	70,373	Suspension — 38.2%
2015	10	64.4%	292	76,203	Suspension — 36.6%
2016	11	65.1%	284	80,988	Suspension — 39.1%
2017	12	59.9%	227	89,742	Suspension — 57.7%
2018	13	63.9%	147	90,919	Suspension — 47.6%
2019	14	64.2%	134	94,674	Suspension — 42.5%
2020	15	61.5%	148	95,606	Suspension — 47.3%

Common MOT Failures

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

Suspension

30.3%

↑ Increases with age

Lamps, reflectors and electrical equipment

25.8%

↑ Increases with age

Brakes

22.6%

↑ Increases with age

Tyres

20.8%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

20.7%

↑ 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
Suspension	2.7% (4 yrs)	47.3% (15 yrs)	+44.6%	🔴 ↑
Brakes	3.0% (4 yrs)	37.2% (15 yrs)	+34.2%	🔴 ↑
Tyres	8.1% (4 yrs)	36.5% (15 yrs)	+28.4%	🔴 ↑

Other Manufacture Years

1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005

← Back to Mercedes C 230k overview

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About This Data

This page shows how Mercedes C 230k cars manufactured in 2005 perform at MOT as they age. Data spans from 2009 to 2020, covering 3,106 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.