2005 Mercedes C 320 — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years

Current Age

61.3%

Latest Pass Rate

5,753

Total Tests (All Years)

119,476 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 15

This car: 61.3%

Average: 52.4%

✅ 8.9% above average (11197 models compared)

How This Car Ages

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

4 yrs80.0%

→ ↓2.2%

5 yrs77.8%

→ ↓2.8%

6 yrs75.0%

→ ↓5.0%

7 yrs70.0%

→ ↓1.2%

8 yrs68.8%

→ ↓4.8%

9 yrs64.0%

→ ↓0.3%

10 yrs63.7%

→ ↑1.8%

11 yrs65.5%

→ ↓3.6%

12 yrs61.9%

→ ↓2.5%

13 yrs59.4%

→ ↓0.5%

14 yrs58.9%

→ ↑2.4%

15 yrs61.3%

📊 View as table

Age	Pass Rate	Tests
4 yrs	80.0%	651
5 yrs	77.8%	653
6 yrs	75.0%	653
7 yrs	70.0%	657
8 yrs	68.8%	626
9 yrs	64.0%	628
10 yrs	63.7%	652
11 yrs	65.5%	612
12 yrs	61.9%	223
13 yrs	59.4%	138
14 yrs	58.9%	141
15 yrs	61.3%	119

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2020 (15 yrs)	61.3%	119
2019 (14 yrs)	58.9%	141
2018 (13 yrs)	59.4%	138
2017 (12 yrs)	61.9%	223
2016 (11 yrs)	65.5%	612
2015 (10 yrs)	63.7%	652
2014 (9 yrs)	64%	628
2013 (8 yrs)	68.8%	626
2012 (7 yrs)	70%	657
2011 (6 yrs)	75%	653
2010 (5 yrs)	77.8%	653
2009 (4 yrs)	80%	651

Year-by-Year MOT Results

2009

80.0%

Age (yrs) 4Tests 651Avg Mileage 49,407Top Failure Tyres — 9.8%

2010

77.8%

Age (yrs) 5Tests 653Avg Mileage 60,189Top Failure Tyres — 11.2%

2011

75.0%

Age (yrs) 6Tests 653Avg Mileage 68,733Top Failure Tyres — 11.8%

2012

70.0%

Age (yrs) 7Tests 657Avg Mileage 78,661Top Failure Lamps, Reflectors and Electrical Equipment — 12.5%

2013

68.8%

Age (yrs) 8Tests 626Avg Mileage 85,774Top Failure Suspension — 23.5%

2014High Fail Rate

64.0%

Age (yrs) 9Tests 628Avg Mileage 95,353Top Failure Suspension — 38.9%

2015High Fail Rate

63.7%

Age (yrs) 10Tests 652Avg Mileage 104,838Top Failure Suspension — 39.0%

2016

65.5%

Age (yrs) 11Tests 612Avg Mileage 108,324Top Failure Suspension — 43.0%

2017High Fail Rate

61.9%

Age (yrs) 12Tests 223Avg Mileage 112,036Top Failure Suspension — 43.0%

2018High Fail Rate

59.4%

Age (yrs) 13Tests 138Avg Mileage 115,125Top Failure Suspension — 52.2%

2019High Fail Rate

58.9%

Age (yrs) 14Tests 141Avg Mileage 115,201Top Failure Suspension — 47.5%

2020High Fail Rate

61.3%

Age (yrs) 15Tests 119Avg Mileage 119,476Top Failure Suspension — 42.9%

MOT results for 2005 Mercedes C 320 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	4	80.0%	651	49,407	Tyres — 9.8%
2010	5	77.8%	653	60,189	Tyres — 11.2%
2011	6	75.0%	653	68,733	Tyres — 11.8%
2012	7	70.0%	657	78,661	Lamps, Reflectors and Electrical Equipment — 12.5%
2013	8	68.8%	626	85,774	Suspension — 23.5%
2014	9	64.0%	628	95,353	Suspension — 38.9%
2015	10	63.7%	652	104,838	Suspension — 39.0%
2016	11	65.5%	612	108,324	Suspension — 43.0%
2017	12	61.9%	223	112,036	Suspension — 43.0%
2018	13	59.4%	138	115,125	Suspension — 52.2%
2019	14	58.9%	141	115,201	Suspension — 47.5%
2020	15	61.3%	119	119,476	Suspension — 42.9%

Common MOT Failures

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

Suspension

29.7%

↑ Increases with age

Lamps, reflectors and electrical equipment

27.5%

↑ Increases with age

Brakes

24.0%

↑ Increases with age

Tyres

21.5%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

14.7%

↑ 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	2.0% (4 yrs)	42.9% (15 yrs)	+40.9%	🔴 ↑
Tyres	9.8% (4 yrs)	36.1% (15 yrs)	+26.3%	🔴 ↑
Brakes	7.1% (4 yrs)	31.9% (15 yrs)	+24.8%	🔴 ↑

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 2005 perform at MOT as they age. Data spans from 2009 to 2020, covering 5,753 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.