2004 Mercedes Cl 500 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

76.6%

Latest Pass Rate

3,082

Total Tests (All Years)

96,741 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 16

This car: 76.6%

Average: 52.7%

✅ 23.9% above average (10212 models compared)

How This Car Ages

Pass rate progression for the 2004 Mercedes Cl 500 as it ages.

5 yrs78.3%

→ ↓2.1%

6 yrs76.2%

→ ↑4.1%

7 yrs80.3%

→ ↓6.4%

8 yrs73.9%

→ ↓7.1%

9 yrs66.8%

→ ↑1.8%

10 yrs68.6%

→ ↑1.0%

11 yrs69.6%

→ ↑3.2%

12 yrs72.8%

→ ↓0.3%

13 yrs72.5%

→ ↑2.3%

14 yrs74.8%

→ ↑1.7%

15 yrs76.5%

→ ↑0.1%

16 yrs76.6%

📊 View as table

Age	Pass Rate	Tests
5 yrs	78.3%	300
6 yrs	76.2%	311
7 yrs	80.3%	300
8 yrs	73.9%	307
9 yrs	66.8%	298
10 yrs	68.6%	280
11 yrs	69.6%	280
12 yrs	72.8%	268
13 yrs	72.5%	251
14 yrs	74.8%	163
15 yrs	76.5%	166
16 yrs	76.6%	158

Pass Rate Trend

How the 2004 Mercedes Cl 500 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (16 yrs)	76.6%	158
2019 (15 yrs)	76.5%	166
2018 (14 yrs)	74.8%	163
2017 (13 yrs)	72.5%	251
2016 (12 yrs)	72.8%	268
2015 (11 yrs)	69.6%	280
2014 (10 yrs)	68.6%	280
2013 (9 yrs)	66.8%	298
2012 (8 yrs)	73.9%	307
2011 (7 yrs)	80.3%	300
2010 (6 yrs)	76.2%	311
2009 (5 yrs)	78.3%	300

Year-by-Year MOT Results

2009

78.3%

Age (yrs) 5Tests 300Avg Mileage 47,435Top Failure Tyres — 9.0%

2010

76.2%

Age (yrs) 6Tests 311Avg Mileage 54,821Top Failure Tyres — 12.9%

2011

80.3%

Age (yrs) 7Tests 300Avg Mileage 61,709Top Failure Tyres — 10.0%

2012

73.9%

Age (yrs) 8Tests 307Avg Mileage 70,542Top Failure Tyres — 12.1%

2013

66.8%

Age (yrs) 9Tests 298Avg Mileage 73,663Top Failure Tyres — 30.5%

2014

68.6%

Age (yrs) 10Tests 280Avg Mileage 78,846Top Failure Brakes — 30.4%

2015

69.6%

Age (yrs) 11Tests 280Avg Mileage 83,827Top Failure Brakes — 30.4%

2016

72.8%

Age (yrs) 12Tests 268Avg Mileage 87,874Top Failure Brakes — 27.2%

2017

72.5%

Age (yrs) 13Tests 251Avg Mileage 90,722Top Failure Brakes — 34.7%

2018

74.8%

Age (yrs) 14Tests 163Avg Mileage 93,750Top Failure Brakes — 37.4%

2019

76.5%

Age (yrs) 15Tests 166Avg Mileage 92,862Top Failure Brakes — 28.3%

2020

76.6%

Age (yrs) 16Tests 158Avg Mileage 96,741Top Failure Suspension — 27.2%

MOT results for 2004 Mercedes Cl 500 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	78.3%	300	47,435	Tyres — 9.0%
2010	6	76.2%	311	54,821	Tyres — 12.9%
2011	7	80.3%	300	61,709	Tyres — 10.0%
2012	8	73.9%	307	70,542	Tyres — 12.1%
2013	9	66.8%	298	73,663	Tyres — 30.5%
2014	10	68.6%	280	78,846	Brakes — 30.4%
2015	11	69.6%	280	83,827	Brakes — 30.4%
2016	12	72.8%	268	87,874	Brakes — 27.2%
2017	13	72.5%	251	90,722	Brakes — 34.7%
2018	14	74.8%	163	93,750	Brakes — 37.4%
2019	15	76.5%	166	92,862	Brakes — 28.3%
2020	16	76.6%	158	96,741	Suspension — 27.2%

Common MOT Failures

Top failure categories across all test years for 2004 Mercedes Cl 500, with age trends.

Brakes

22.3%

↑ Increases with age

Tyres

19.6%

↑ Increases with age

Suspension

19.2%

↑ Increases with age

Lamps, reflectors and electrical equipment

12.5%

— Consistent

Lamps, Reflectors and Electrical Equipment

11.9%

↑ 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	3.7% (5 yrs)	25.3% (16 yrs)	+21.6%	🔴 ↑
Suspension	7.0% (5 yrs)	27.2% (16 yrs)	+20.2%	🔴 ↑
Tyres	9.0% (5 yrs)	19.6% (16 yrs)	+10.6%	🔴 ↑

Other Manufacture Years

1997 1998 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012

← Back to Mercedes Cl 500 overview

Looking for the best year to buy? See the full comparison on the Mercedes Cl 500 page →

About This Data

This page shows how Mercedes Cl 500 cars manufactured in 2004 perform at MOT as they age. Data spans from 2009 to 2020, covering 3,082 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.