2004 Mercedes C 320 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

62.1%

Latest Pass Rate

4,217

Total Tests (All Years)

100,097 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 16

This car: 62.1%

Average: 52.7%

✅ 9.4% above average (10212 models compared)

How This Car Ages

Pass rate progression for the 2004 Mercedes C 320 as it ages.

5 yrs77.4%

→ ↓7.0%

6 yrs70.4%

→ ↓2.6%

7 yrs67.8%

→ ↓1.0%

8 yrs66.8%

→ ↓4.8%

9 yrs62.0%

→ ↓3.6%

10 yrs58.4%

→ ↑3.4%

11 yrs61.8%

→ ↑1.8%

12 yrs63.6%

→ ↓1.7%

13 yrs61.9%

→ ↓2.5%

14 yrs59.4%

→ ↓7.1%

15 yrs52.3%

→ ↑9.8%

16 yrs62.1%

📊 View as table

Age	Pass Rate	Tests
5 yrs	77.4%	464
6 yrs	70.4%	467
7 yrs	67.8%	460
8 yrs	66.8%	449
9 yrs	62.0%	447
10 yrs	58.4%	437
11 yrs	61.8%	427
12 yrs	63.6%	415
13 yrs	61.9%	223
14 yrs	59.4%	143
15 yrs	52.3%	153
16 yrs	62.1%	132

Pass Rate Trend

How the 2004 Mercedes C 320 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (16 yrs)	62.1%	132
2019 (15 yrs)	52.3%	153
2018 (14 yrs)	59.4%	143
2017 (13 yrs)	61.9%	223
2016 (12 yrs)	63.6%	415
2015 (11 yrs)	61.8%	427
2014 (10 yrs)	58.4%	437
2013 (9 yrs)	62%	447
2012 (8 yrs)	66.8%	449
2011 (7 yrs)	67.8%	460
2010 (6 yrs)	70.4%	467
2009 (5 yrs)	77.4%	464

Year-by-Year MOT Results

2009

77.4%

Age (yrs) 5Tests 464Avg Mileage 45,924Top Failure Lamps, Reflectors and Electrical Equipment — 8.4%

2010

70.4%

Age (yrs) 6Tests 467Avg Mileage 54,503Top Failure Tyres — 12.0%

2011

67.8%

Age (yrs) 7Tests 460Avg Mileage 60,246Top Failure Tyres — 13.3%

2012

66.8%

Age (yrs) 8Tests 449Avg Mileage 67,712Top Failure Tyres — 14.7%

2013High Fail Rate

62.0%

Age (yrs) 9Tests 447Avg Mileage 72,286Top Failure Suspension — 36.9%

2014High Fail Rate

58.4%

Age (yrs) 10Tests 437Avg Mileage 78,639Top Failure Suspension — 45.5%

2015High Fail Rate

61.8%

Age (yrs) 11Tests 427Avg Mileage 83,719Top Failure Suspension — 38.6%

2016High Fail Rate

63.6%

Age (yrs) 12Tests 415Avg Mileage 88,243Top Failure Suspension — 49.2%

2017High Fail Rate

61.9%

Age (yrs) 13Tests 223Avg Mileage 92,854Top Failure Suspension — 49.8%

2018High Fail Rate

59.4%

Age (yrs) 14Tests 143Avg Mileage 94,499Top Failure Suspension — 42.7%

2019High Fail Rate

52.3%

Age (yrs) 15Tests 153Avg Mileage 97,478Top Failure Suspension — 73.2%

2020High Fail Rate

62.1%

Age (yrs) 16Tests 132Avg Mileage 100,097Top Failure Suspension — 53.0%

MOT results for 2004 Mercedes C 320 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	77.4%	464	45,924	Lamps, Reflectors and Electrical Equipment — 8.4%
2010	6	70.4%	467	54,503	Tyres — 12.0%
2011	7	67.8%	460	60,246	Tyres — 13.3%
2012	8	66.8%	449	67,712	Tyres — 14.7%
2013	9	62.0%	447	72,286	Suspension — 36.9%
2014	10	58.4%	437	78,639	Suspension — 45.5%
2015	11	61.8%	427	83,719	Suspension — 38.6%
2016	12	63.6%	415	88,243	Suspension — 49.2%
2017	13	61.9%	223	92,854	Suspension — 49.8%
2018	14	59.4%	143	94,499	Suspension — 42.7%
2019	15	52.3%	153	97,478	Suspension — 73.2%
2020	16	62.1%	132	100,097	Suspension — 53.0%

Common MOT Failures

Top failure categories across all test years for 2004 Mercedes C 320, with age trends.

Suspension

36.2%

↑ Increases with age

Lamps, reflectors and electrical equipment

36.0%

↑ Increases with age

Brakes

27.7%

↑ Increases with age

Tyres

21.6%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

17.2%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	6.0% (5 yrs)	53.0% (16 yrs)	+47.0%	🔴 ↑
Brakes	5.6% (5 yrs)	37.1% (16 yrs)	+31.5%	🔴 ↑
Tyres	6.7% (5 yrs)	30.3% (16 yrs)	+23.6%	🔴 ↑
Steering	5.8% (5 yrs)	8.3% (16 yrs)	+2.5%	🔴 ↑

Other Manufacture Years

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009

← Back to Mercedes C 320 overview

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

About This Data

This page shows how Mercedes C 320 cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2020, covering 4,217 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.