2003 Mercedes Cl 55 — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

77.4%

Latest Pass Rate

1,567

Total Tests (All Years)

99,815 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 17

This car: 77.4%

Average: 53.5%

✅ 23.9% above average (9249 models compared)

How This Car Ages

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

6 yrs73.4%

→ ↓1.0%

7 yrs72.4%

→ ↓5.2%

8 yrs67.2%

→ ↑4.9%

9 yrs72.1%

→ ↓4.9%

10 yrs67.2%

→ ↑5.8%

11 yrs73.0%

→ ↑0.2%

12 yrs73.2%

→ ↑3.2%

13 yrs76.4%

→ ↑0.2%

14 yrs76.6%

→ ↓9.9%

15 yrs66.7%

→ ↑12.9%

16 yrs79.6%

→ ↓2.2%

17 yrs77.4%

📊 View as table

Age	Pass Rate	Tests
6 yrs	73.4%	177
7 yrs	72.4%	174
8 yrs	67.2%	180
9 yrs	72.1%	172
10 yrs	67.2%	177
11 yrs	73.0%	163
12 yrs	73.2%	153
13 yrs	76.4%	144
14 yrs	76.6%	77
15 yrs	66.7%	48
16 yrs	79.6%	49
17 yrs	77.4%	53

Pass Rate Trend

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

📊 View as table

Built	Pass Rate	Tests
2020 (17 yrs)	77.4%	53
2019 (16 yrs)	79.6%	49
2018 (15 yrs)	66.7%	48
2017 (14 yrs)	76.6%	77
2016 (13 yrs)	76.4%	144
2015 (12 yrs)	73.2%	153
2014 (11 yrs)	73%	163
2013 (10 yrs)	67.2%	177
2012 (9 yrs)	72.1%	172
2011 (8 yrs)	67.2%	180
2010 (7 yrs)	72.4%	174
2009 (6 yrs)	73.4%	177

Year-by-Year MOT Results

2009

73.4%

Age (yrs) 6Tests 177Avg Mileage 61,226Top Failure Tyres — 13.0%

2010

72.4%

Age (yrs) 7Tests 174Avg Mileage 63,874Top Failure Brakes — 10.9%

2011

67.2%

Age (yrs) 8Tests 180Avg Mileage 71,095Top Failure Tyres — 17.2%

2012

72.1%

Age (yrs) 9Tests 172Avg Mileage 78,598Top Failure Suspension — 14.0%

2013

67.2%

Age (yrs) 10Tests 177Avg Mileage 81,468Top Failure Suspension — 31.6%

2014

73.0%

Age (yrs) 11Tests 163Avg Mileage 86,706Top Failure Brakes — 33.7%

2015

73.2%

Age (yrs) 12Tests 153Avg Mileage 89,872Top Failure Brakes — 24.8%

2016

76.4%

Age (yrs) 13Tests 144Avg Mileage 93,867Top Failure Brakes — 31.3%

2017

76.6%

Age (yrs) 14Tests 77Avg Mileage 94,374Top Failure Brakes — 26.0%

2018

66.7%

Age (yrs) 15Tests 48Avg Mileage 95,869Top Failure Brakes — 62.5%

2019

79.6%

Age (yrs) 16Tests 49Avg Mileage 99,666Top Failure Brakes — 22.4%

2020

77.4%

Age (yrs) 17Tests 53Avg Mileage 99,815Top Failure Brakes — 24.5%

MOT results for 2003 Mercedes Cl 55 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	73.4%	177	61,226	Tyres — 13.0%
2010	7	72.4%	174	63,874	Brakes — 10.9%
2011	8	67.2%	180	71,095	Tyres — 17.2%
2012	9	72.1%	172	78,598	Suspension — 14.0%
2013	10	67.2%	177	81,468	Suspension — 31.6%
2014	11	73.0%	163	86,706	Brakes — 33.7%
2015	12	73.2%	153	89,872	Brakes — 24.8%
2016	13	76.4%	144	93,867	Brakes — 31.3%
2017	14	76.6%	77	94,374	Brakes — 26.0%
2018	15	66.7%	48	95,869	Brakes — 62.5%
2019	16	79.6%	49	99,666	Brakes — 22.4%
2020	17	77.4%	53	99,815	Brakes — 24.5%

Common MOT Failures

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

Brakes

24.9%

↑ Increases with age

Suspension

20.0%

↑ Increases with age

Visibility

18.8%

— Consistent

Tyres

17.6%

— Consistent

Lamps, Reflectors and Electrical Equipment

11.4%

↑ 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
Brakes	10.7% (6 yrs)	24.5% (17 yrs)	+13.8%	🔴 ↑
Suspension	6.8% (6 yrs)	13.2% (17 yrs)	+6.4%	🔴 ↑
Tyres	13.0% (6 yrs)	13.2% (17 yrs)	+0.2%	⚪ —

Other Manufacture Years

2000 2001 2002 2003 2004 2005

← Back to Mercedes Cl 55 overview

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About This Data

This page shows how Mercedes Cl 55 cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2020, covering 1,567 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.