2003 Mercedes Cl 600 — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

81.3%

Latest Pass Rate

731

Total Tests (All Years)

93,482 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 17

This car: 81.3%

Average: 53.5%

✅ 27.8% above average (9249 models compared)

How This Car Ages

Pass rate progression for the 2003 Mercedes Cl 600 as it ages.

6 yrs73.3%

→ ↑5.4%

7 yrs78.7%

→ ↓1.7%

8 yrs77.0%

→ ↑4.4%

9 yrs81.4%

→ ↓4.5%

10 yrs76.9%

→ ↓2.9%

11 yrs74.0%

→ ↑3.9%

12 yrs77.9%

→ ↑0.8%

13 yrs78.7%

→ ↓13.2%

14 yrs65.5%

→ ↑11.9%

15 yrs77.4%

→ ↓2.4%

16 yrs75.0%

→ ↑6.3%

17 yrs81.3%

📊 View as table

Age	Pass Rate	Tests
6 yrs	73.3%	75
7 yrs	78.7%	75
8 yrs	77.0%	74
9 yrs	81.4%	70
10 yrs	76.9%	78
11 yrs	74.0%	73
12 yrs	77.9%	68
13 yrs	78.7%	61
14 yrs	65.5%	58
15 yrs	77.4%	31
16 yrs	75.0%	36
17 yrs	81.3%	32

Pass Rate Trend

How the 2003 Mercedes Cl 600 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (17 yrs)	81.3%	32
2019 (16 yrs)	75%	36
2018 (15 yrs)	77.4%	31
2017 (14 yrs)	65.5%	58
2016 (13 yrs)	78.7%	61
2015 (12 yrs)	77.9%	68
2014 (11 yrs)	74%	73
2013 (10 yrs)	76.9%	78
2012 (9 yrs)	81.4%	70
2011 (8 yrs)	77%	74
2010 (7 yrs)	78.7%	75
2009 (6 yrs)	73.3%	75

Year-by-Year MOT Results

2009

73.3%

Age (yrs) 6Tests 75Avg Mileage 52,261Top Failure Tyres — 13.3%

2010

78.7%

Age (yrs) 7Tests 75Avg Mileage 58,375Top Failure Tyres — 12.0%

2011

77.0%

Age (yrs) 8Tests 74Avg Mileage 66,955Top Failure Suspension — 12.2%

2012

81.4%

Age (yrs) 9Tests 70Avg Mileage 67,296Top Failure Lamps, Reflectors and Electrical Equipment — 8.6%

2013

76.9%

Age (yrs) 10Tests 78Avg Mileage 71,119Top Failure Tyres — 21.8%

2014

74.0%

Age (yrs) 11Tests 73Avg Mileage 76,544Top Failure Brakes — 31.5%

2015

77.9%

Age (yrs) 12Tests 68Avg Mileage 79,283Top Failure Brakes — 26.5%

2016

78.7%

Age (yrs) 13Tests 61Avg Mileage 87,894Top Failure Suspension — 36.1%

2017

65.5%

Age (yrs) 14Tests 58Avg Mileage 85,703Top Failure Suspension — 32.8%

2018

77.4%

Age (yrs) 15Tests 31Avg Mileage 86,257Top Failure Suspension — 16.1%

2019

75.0%

Age (yrs) 16Tests 36Avg Mileage 91,620Top Failure Brakes — 33.3%

2020

81.3%

Age (yrs) 17Tests 32Avg Mileage 93,482Top Failure Suspension — 53.1%

MOT results for 2003 Mercedes Cl 600 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	73.3%	75	52,261	Tyres — 13.3%
2010	7	78.7%	75	58,375	Tyres — 12.0%
2011	8	77.0%	74	66,955	Suspension — 12.2%
2012	9	81.4%	70	67,296	Lamps, Reflectors and Electrical Equipment — 8.6%
2013	10	76.9%	78	71,119	Tyres — 21.8%
2014	11	74.0%	73	76,544	Brakes — 31.5%
2015	12	77.9%	68	79,283	Brakes — 26.5%
2016	13	78.7%	61	87,894	Suspension — 36.1%
2017	14	65.5%	58	85,703	Suspension — 32.8%
2018	15	77.4%	31	86,257	Suspension — 16.1%
2019	16	75.0%	36	91,620	Brakes — 33.3%
2020	17	81.3%	32	93,482	Suspension — 53.1%

Common MOT Failures

Top failure categories across all test years for 2003 Mercedes Cl 600, with age trends.

Body, chassis, structure

25.0%

— Consistent

Suspension

20.7%

↑ Increases with age

Brakes

18.5%

↑ Increases with age

Tyres

16.9%

↑ Increases with age

Lamps, reflectors and electrical equipment

15.8%

↑ 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	8.0% (6 yrs)	53.1% (17 yrs)	+45.1%	🔴 ↑
Brakes	8.0% (6 yrs)	18.8% (17 yrs)	+10.8%	🔴 ↑

Other Manufacture Years

2000 2001 2002 2003 2004 2007

← Back to Mercedes Cl 600 overview

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About This Data

This page shows how Mercedes Cl 600 cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2020, covering 731 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.