2003 Mercedes Clk 55 — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

67.0%

Latest Pass Rate

2,433

Total Tests (All Years)

98,387 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 17

This car: 67.0%

Average: 53.5%

✅ 13.5% above average (9249 models compared)

How This Car Ages

Pass rate progression for the 2003 Mercedes Clk 55 as it ages.

6 yrs71.0%

→ ↑3.4%

7 yrs74.4%

→ ↓1.4%

8 yrs73.0%

→ ↑0.8%

9 yrs73.8%

→ ↓7.1%

10 yrs66.7%

→ ↑1.8%

11 yrs68.5%

→ ↓1.1%

12 yrs67.4%

→ ↑6.1%

13 yrs73.5%

→ ↓3.1%

14 yrs70.4%

→ ↓1.5%

15 yrs68.9%

→ ↑2.5%

16 yrs71.4%

→ ↓4.4%

17 yrs67.0%

📊 View as table

Age	Pass Rate	Tests
6 yrs	71.0%	262
7 yrs	74.4%	250
8 yrs	73.0%	263
9 yrs	73.8%	244
10 yrs	66.7%	240
11 yrs	68.5%	241
12 yrs	67.4%	236
13 yrs	73.5%	223
14 yrs	70.4%	162
15 yrs	68.9%	106
16 yrs	71.4%	112
17 yrs	67.0%	94

Pass Rate Trend

How the 2003 Mercedes Clk 55 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (17 yrs)	67%	94
2019 (16 yrs)	71.4%	112
2018 (15 yrs)	68.9%	106
2017 (14 yrs)	70.4%	162
2016 (13 yrs)	73.5%	223
2015 (12 yrs)	67.4%	236
2014 (11 yrs)	68.5%	241
2013 (10 yrs)	66.7%	240
2012 (9 yrs)	73.8%	244
2011 (8 yrs)	73%	263
2010 (7 yrs)	74.4%	250
2009 (6 yrs)	71%	262

Year-by-Year MOT Results

2009

71.0%

Age (yrs) 6Tests 262Avg Mileage 50,629Top Failure Tyres — 13.4%

2010

74.4%

Age (yrs) 7Tests 250Avg Mileage 56,195Top Failure Tyres — 10.4%

2011

73.0%

Age (yrs) 8Tests 263Avg Mileage 61,365Top Failure Tyres — 14.8%

2012

73.8%

Age (yrs) 9Tests 244Avg Mileage 66,997Top Failure Lamps, Reflectors and Electrical Equipment — 11.9%

2013

66.7%

Age (yrs) 10Tests 240Avg Mileage 74,213Top Failure Lamps, Reflectors and Electrical Equipment — 27.5%

2014

68.5%

Age (yrs) 11Tests 241Avg Mileage 75,541Top Failure Suspension — 32.0%

2015

67.4%

Age (yrs) 12Tests 236Avg Mileage 79,186Top Failure Tyres — 22.0%

2016

73.5%

Age (yrs) 13Tests 223Avg Mileage 82,234Top Failure Lamps, Reflectors and Electrical Equipment — 25.1%

2017

70.4%

Age (yrs) 14Tests 162Avg Mileage 88,267Top Failure Brakes — 38.3%

2018

68.9%

Age (yrs) 15Tests 106Avg Mileage 88,247Top Failure Brakes — 25.5%

2019

71.4%

Age (yrs) 16Tests 112Avg Mileage 90,564Top Failure Brakes — 40.2%

2020

67.0%

Age (yrs) 17Tests 94Avg Mileage 98,387Top Failure Brakes — 37.2%

MOT results for 2003 Mercedes Clk 55 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	71.0%	262	50,629	Tyres — 13.4%
2010	7	74.4%	250	56,195	Tyres — 10.4%
2011	8	73.0%	263	61,365	Tyres — 14.8%
2012	9	73.8%	244	66,997	Lamps, Reflectors and Electrical Equipment — 11.9%
2013	10	66.7%	240	74,213	Lamps, Reflectors and Electrical Equipment — 27.5%
2014	11	68.5%	241	75,541	Suspension — 32.0%
2015	12	67.4%	236	79,186	Tyres — 22.0%
2016	13	73.5%	223	82,234	Lamps, Reflectors and Electrical Equipment — 25.1%
2017	14	70.4%	162	88,267	Brakes — 38.3%
2018	15	68.9%	106	88,247	Brakes — 25.5%
2019	16	71.4%	112	90,564	Brakes — 40.2%
2020	17	67.0%	94	98,387	Brakes — 37.2%

Common MOT Failures

Top failure categories across all test years for 2003 Mercedes Clk 55, with age trends.

Brakes

21.5%

↑ Increases with age

Lamps, reflectors and electrical equipment

20.5%

— Consistent

Suspension

19.2%

↑ Increases with age

Tyres

17.2%

— Consistent

Lamps, Reflectors and Electrical Equipment

16.2%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	8.8% (6 yrs)	37.2% (17 yrs)	+28.4%	🔴 ↑
Suspension	4.6% (6 yrs)	29.8% (17 yrs)	+25.2%	🔴 ↑
Tyres	13.4% (6 yrs)	11.7% (17 yrs)	-1.7%	⚪ —

Other Manufacture Years

2000 2001 2002 2003 2004 2005

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About This Data

This page shows how Mercedes Clk 55 cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2020, covering 2,433 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.