2003 Mercedes C 180k — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

56.2%

Latest Pass Rate

85,078

Total Tests (All Years)

104,487 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 17

This car: 56.2%

Average: 53.5%

✅ 2.7% above average (9249 models compared)

How This Car Ages

Pass rate progression for the 2003 Mercedes C 180k as it ages.

6 yrs65.6%

→ ↓2.4%

7 yrs63.2%

→ ↓2.5%

8 yrs60.7%

→ ↓0.9%

9 yrs59.8%

→ ↓3.4%

10 yrs56.4%

→ ↓0.6%

11 yrs55.8%

→ ↑0.4%

12 yrs56.2%

→ ↑0.2%

13 yrs56.4%

→ ↓0.4%

14 yrs56.0%

→ ↓0.7%

15 yrs55.3%

→ ↑1.7%

16 yrs57.0%

→ ↓0.8%

17 yrs56.2%

📊 View as table

Age	Pass Rate	Tests
6 yrs	65.6%	10,466
7 yrs	63.2%	10,260
8 yrs	60.7%	10,305
9 yrs	59.8%	10,051
10 yrs	56.4%	9,716
11 yrs	55.8%	9,370
12 yrs	56.2%	8,755
13 yrs	56.4%	8,059
14 yrs	56.0%	3,153
15 yrs	55.3%	1,828
16 yrs	57.0%	1,679
17 yrs	56.2%	1,436

Pass Rate Trend

How the 2003 Mercedes C 180k pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (17 yrs)	56.2%	1,436
2019 (16 yrs)	57%	1,679
2018 (15 yrs)	55.3%	1,828
2017 (14 yrs)	56%	3,153
2016 (13 yrs)	56.4%	8,059
2015 (12 yrs)	56.2%	8,755
2014 (11 yrs)	55.8%	9,370
2013 (10 yrs)	56.4%	9,716
2012 (9 yrs)	59.8%	10,051
2011 (8 yrs)	60.7%	10,305
2010 (7 yrs)	63.2%	10,260
2009 (6 yrs)	65.6%	10,466

Year-by-Year MOT Results

2009

65.6%

Age (yrs) 6Tests 10,466Avg Mileage 57,522Top Failure Suspension — 13.9%

2010High Fail Rate

63.2%

Age (yrs) 7Tests 10,260Avg Mileage 64,884Top Failure Suspension — 17.4%

2011High Fail Rate

60.7%

Age (yrs) 8Tests 10,305Avg Mileage 71,570Top Failure Suspension — 20.3%

2012High Fail Rate

59.8%

Age (yrs) 9Tests 10,051Avg Mileage 77,990Top Failure Suspension — 23.3%

2013High Fail Rate

56.4%

Age (yrs) 10Tests 9,716Avg Mileage 83,512Top Failure Suspension — 52.2%

2014High Fail Rate

55.8%

Age (yrs) 11Tests 9,370Avg Mileage 89,006Top Failure Suspension — 56.1%

2015High Fail Rate

56.2%

Age (yrs) 12Tests 8,755Avg Mileage 93,869Top Failure Suspension — 55.2%

2016High Fail Rate

56.4%

Age (yrs) 13Tests 8,059Avg Mileage 97,967Top Failure Suspension — 56.5%

2017High Fail Rate

56.0%

Age (yrs) 14Tests 3,153Avg Mileage 100,602Top Failure Suspension — 61.3%

2018High Fail Rate

55.3%

Age (yrs) 15Tests 1,828Avg Mileage 101,977Top Failure Suspension — 65.9%

2019High Fail Rate

57.0%

Age (yrs) 16Tests 1,679Avg Mileage 103,682Top Failure Suspension — 63.8%

2020High Fail Rate

56.2%

Age (yrs) 17Tests 1,436Avg Mileage 104,487Top Failure Suspension — 65.7%

MOT results for 2003 Mercedes C 180k by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	65.6%	10,466	57,522	Suspension — 13.9%
2010	7	63.2%	10,260	64,884	Suspension — 17.4%
2011	8	60.7%	10,305	71,570	Suspension — 20.3%
2012	9	59.8%	10,051	77,990	Suspension — 23.3%
2013	10	56.4%	9,716	83,512	Suspension — 52.2%
2014	11	55.8%	9,370	89,006	Suspension — 56.1%
2015	12	56.2%	8,755	93,869	Suspension — 55.2%
2016	13	56.4%	8,059	97,967	Suspension — 56.5%
2017	14	56.0%	3,153	100,602	Suspension — 61.3%
2018	15	55.3%	1,828	101,977	Suspension — 65.9%
2019	16	57.0%	1,679	103,682	Suspension — 63.8%
2020	17	56.2%	1,436	104,487	Suspension — 65.7%

Common MOT Failures

Top failure categories across all test years for 2003 Mercedes C 180k, with age trends.

Suspension

46.0%

↑ Increases with age

Brakes

32.4%

↑ Increases with age

Lamps, reflectors and electrical equipment

28.9%

↑ Increases with age

Noise, emissions and leaks

26.0%

↑ Increases with age

Tyres

22.6%

↑ 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	13.9% (6 yrs)	65.7% (17 yrs)	+51.8%	🔴 ↑
Brakes	8.5% (6 yrs)	55.8% (17 yrs)	+47.3%	🔴 ↑
Tyres	13.0% (6 yrs)	31.3% (17 yrs)	+18.3%	🔴 ↑

Other Manufacture Years

2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

← Back to Mercedes C 180k overview

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About This Data

This page shows how Mercedes C 180k cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2020, covering 85,078 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.