1998 Mercedes Clk 230k — MOT History by Age

How cars manufactured in 1998 perform at MOT as they age

28 years

Current Age

58.9%

Latest Pass Rate

10,098

Total Tests (All Years)

109,635 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1998 Mercedes Clk 230k as it ages.

11 yrs64.6%

→ ↓2.0%

12 yrs62.6%

→ ↓4.2%

13 yrs58.4%

→ ↓1.4%

14 yrs57.0%

→ ↑1.2%

15 yrs58.2%

→ ↓0.7%

16 yrs57.5%

→ ↑0.6%

17 yrs58.1%

→ ↑1.4%

18 yrs59.5%

→ ↓0.6%

19 yrs58.9%

→ ↓3.3%

20 yrs55.6%

→ ↑2.0%

21 yrs57.6%

→ ↑1.3%

22 yrs58.9%

📊 View as table

Age	Pass Rate	Tests
11 yrs	64.6%	1,498
12 yrs	62.6%	1,420
13 yrs	58.4%	1,368
14 yrs	57.0%	1,187
15 yrs	58.2%	1,034
16 yrs	57.5%	918
17 yrs	58.1%	775
18 yrs	59.5%	639
19 yrs	58.9%	523
20 yrs	55.6%	284
21 yrs	57.6%	255
22 yrs	58.9%	197

Pass Rate Trend

How the 1998 Mercedes Clk 230k pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (22 yrs)	58.9%	197
2019 (21 yrs)	57.6%	255
2018 (20 yrs)	55.6%	284
2017 (19 yrs)	58.9%	523
2016 (18 yrs)	59.5%	639
2015 (17 yrs)	58.1%	775
2014 (16 yrs)	57.5%	918
2013 (15 yrs)	58.2%	1,034
2012 (14 yrs)	57%	1,187
2011 (13 yrs)	58.4%	1,368
2010 (12 yrs)	62.6%	1,420
2009 (11 yrs)	64.6%	1,498

Year-by-Year MOT Results

2009High Fail Rate

64.6%

Age (yrs) 11Tests 1,498Avg Mileage 95,152Top Failure Lamps, Reflectors and Electrical Equipment — 21.0%

2010High Fail Rate

62.6%

Age (yrs) 12Tests 1,420Avg Mileage 100,801Top Failure Lamps, Reflectors and Electrical Equipment — 21.4%

2011High Fail Rate

58.4%

Age (yrs) 13Tests 1,368Avg Mileage 104,431Top Failure Lamps, Reflectors and Electrical Equipment — 24.0%

2012High Fail Rate

57.0%

Age (yrs) 14Tests 1,187Avg Mileage 107,844Top Failure Lamps, Reflectors and Electrical Equipment — 27.1%

2013High Fail Rate

58.2%

Age (yrs) 15Tests 1,034Avg Mileage 108,940Top Failure Lamps, Reflectors and Electrical Equipment — 56.0%

2014High Fail Rate

57.5%

Age (yrs) 16Tests 918Avg Mileage 111,210Top Failure Lamps, Reflectors and Electrical Equipment — 63.1%

2015High Fail Rate

58.1%

Age (yrs) 17Tests 775Avg Mileage 113,343Top Failure Lamps, Reflectors and Electrical Equipment — 57.7%

2016High Fail Rate

59.5%

Age (yrs) 18Tests 639Avg Mileage 112,511Top Failure Lamps, Reflectors and Electrical Equipment — 60.7%

2017High Fail Rate

58.9%

Age (yrs) 19Tests 523Avg Mileage 110,983Top Failure Lamps, Reflectors and Electrical Equipment — 51.1%

2018High Fail Rate

55.6%

Age (yrs) 20Tests 284Avg Mileage 110,949Top Failure Brakes — 58.1%

2019High Fail Rate

57.6%

Age (yrs) 21Tests 255Avg Mileage 111,173Top Failure Lamps, reflectors and electrical equipment — 72.5%

2020High Fail Rate

58.9%

Age (yrs) 22Tests 197Avg Mileage 109,635Top Failure Lamps, reflectors and electrical equipment — 63.5%

MOT results for 1998 Mercedes Clk 230k by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	11	64.6%	1,498	95,152	Lamps, Reflectors and Electrical Equipment — 21.0%
2010	12	62.6%	1,420	100,801	Lamps, Reflectors and Electrical Equipment — 21.4%
2011	13	58.4%	1,368	104,431	Lamps, Reflectors and Electrical Equipment — 24.0%
2012	14	57.0%	1,187	107,844	Lamps, Reflectors and Electrical Equipment — 27.1%
2013	15	58.2%	1,034	108,940	Lamps, Reflectors and Electrical Equipment — 56.0%
2014	16	57.5%	918	111,210	Lamps, Reflectors and Electrical Equipment — 63.1%
2015	17	58.1%	775	113,343	Lamps, Reflectors and Electrical Equipment — 57.7%
2016	18	59.5%	639	112,511	Lamps, Reflectors and Electrical Equipment — 60.7%
2017	19	58.9%	523	110,983	Lamps, Reflectors and Electrical Equipment — 51.1%
2018	20	55.6%	284	110,949	Brakes — 58.1%
2019	21	57.6%	255	111,173	Lamps, reflectors and electrical equipment — 72.5%
2020	22	58.9%	197	109,635	Lamps, reflectors and electrical equipment — 63.5%

Common MOT Failures

Top failure categories across all test years for 1998 Mercedes Clk 230k, with age trends.

Lamps, reflectors and electrical equipment

58.1%

↑ Increases with age

Brakes

42.0%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

40.4%

— Consistent

Suspension

35.4%

↑ Increases with age

Tyres

26.0%

↑ 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	14.9% (11 yrs)	56.3% (22 yrs)	+41.4%	🔴 ↑
Suspension	14.6% (11 yrs)	48.2% (22 yrs)	+33.6%	🔴 ↑
Tyres	14.9% (11 yrs)	32.0% (22 yrs)	+17.1%	🔴 ↑

Other Manufacture Years

1997 1998 1999 2000 2001 2002 2003

← Back to Mercedes Clk 230k overview

Looking for the best year to buy? See the full comparison on the Mercedes Clk 230k page →

About This Data

This page shows how Mercedes Clk 230k cars manufactured in 1998 perform at MOT as they age. Data spans from 2009 to 2020, covering 10,098 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.