1999 Mercedes Clk 230k — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years

Current Age

63.7%

Latest Pass Rate

22,738

Total Tests (All Years)

107,017 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 1999 Mercedes Clk 230k as it ages.

10 yrs64.5%

→ ↓0.0%

11 yrs64.5%

→ ↓2.2%

12 yrs62.3%

→ ↑0.2%

13 yrs62.5%

→ ↓1.7%

14 yrs60.8%

→ ↓0.5%

15 yrs60.3%

→ ↑0.7%

16 yrs61.0%

→ ↓0.5%

17 yrs60.5%

→ ↑1.4%

18 yrs61.9%

→ ↓2.8%

19 yrs59.1%

→ ↑2.2%

20 yrs61.3%

→ ↑2.4%

21 yrs63.7%

📊 View as table

Age	Pass Rate	Tests
10 yrs	64.5%	3,092
11 yrs	64.5%	2,955
12 yrs	62.3%	2,870
13 yrs	62.5%	2,675
14 yrs	60.8%	2,418
15 yrs	60.3%	2,120
16 yrs	61.0%	1,887
17 yrs	60.5%	1,647
18 yrs	61.9%	1,281
19 yrs	59.1%	726
20 yrs	61.3%	618
21 yrs	63.7%	449

Pass Rate Trend

How the 1999 Mercedes Clk 230k pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (21 yrs)	63.7%	449
2019 (20 yrs)	61.3%	618
2018 (19 yrs)	59.1%	726
2017 (18 yrs)	61.9%	1,281
2016 (17 yrs)	60.5%	1,647
2015 (16 yrs)	61%	1,887
2014 (15 yrs)	60.3%	2,120
2013 (14 yrs)	60.8%	2,418
2012 (13 yrs)	62.5%	2,675
2011 (12 yrs)	62.3%	2,870
2010 (11 yrs)	64.5%	2,955
2009 (10 yrs)	64.5%	3,092

Year-by-Year MOT Results

2009High Fail Rate

64.5%

Age (yrs) 10Tests 3,092Avg Mileage 89,343Top Failure Lamps, Reflectors and Electrical Equipment — 19.4%

2010High Fail Rate

64.5%

Age (yrs) 11Tests 2,955Avg Mileage 94,456Top Failure Lamps, Reflectors and Electrical Equipment — 20.1%

2011High Fail Rate

62.3%

Age (yrs) 12Tests 2,870Avg Mileage 99,479Top Failure Lamps, Reflectors and Electrical Equipment — 21.8%

2012High Fail Rate

62.5%

Age (yrs) 13Tests 2,675Avg Mileage 103,122Top Failure Lamps, Reflectors and Electrical Equipment — 23.1%

2013High Fail Rate

60.8%

Age (yrs) 14Tests 2,418Avg Mileage 106,330Top Failure Lamps, Reflectors and Electrical Equipment — 49.0%

2014High Fail Rate

60.3%

Age (yrs) 15Tests 2,120Avg Mileage 107,584Top Failure Lamps, Reflectors and Electrical Equipment — 49.9%

2015High Fail Rate

61.0%

Age (yrs) 16Tests 1,887Avg Mileage 110,397Top Failure Lamps, Reflectors and Electrical Equipment — 56.3%

2016High Fail Rate

60.5%

Age (yrs) 17Tests 1,647Avg Mileage 111,438Top Failure Lamps, Reflectors and Electrical Equipment — 55.8%

2017High Fail Rate

61.9%

Age (yrs) 18Tests 1,281Avg Mileage 111,586Top Failure Lamps, Reflectors and Electrical Equipment — 51.1%

2018High Fail Rate

59.1%

Age (yrs) 19Tests 726Avg Mileage 111,389Top Failure Brakes — 52.3%

2019High Fail Rate

61.3%

Age (yrs) 20Tests 618Avg Mileage 111,776Top Failure Lamps, reflectors and electrical equipment — 57.4%

2020High Fail Rate

63.7%

Age (yrs) 21Tests 449Avg Mileage 107,017Top Failure Brakes — 47.9%

MOT results for 1999 Mercedes Clk 230k by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	10	64.5%	3,092	89,343	Lamps, Reflectors and Electrical Equipment — 19.4%
2010	11	64.5%	2,955	94,456	Lamps, Reflectors and Electrical Equipment — 20.1%
2011	12	62.3%	2,870	99,479	Lamps, Reflectors and Electrical Equipment — 21.8%
2012	13	62.5%	2,675	103,122	Lamps, Reflectors and Electrical Equipment — 23.1%
2013	14	60.8%	2,418	106,330	Lamps, Reflectors and Electrical Equipment — 49.0%
2014	15	60.3%	2,120	107,584	Lamps, Reflectors and Electrical Equipment — 49.9%
2015	16	61.0%	1,887	110,397	Lamps, Reflectors and Electrical Equipment — 56.3%
2016	17	60.5%	1,647	111,438	Lamps, Reflectors and Electrical Equipment — 55.8%
2017	18	61.9%	1,281	111,586	Lamps, Reflectors and Electrical Equipment — 51.1%
2018	19	59.1%	726	111,389	Brakes — 52.3%
2019	20	61.3%	618	111,776	Lamps, reflectors and electrical equipment — 57.4%
2020	21	63.7%	449	107,017	Brakes — 47.9%

Common MOT Failures

Top failure categories across all test years for 1999 Mercedes Clk 230k, with age trends.

Lamps, reflectors and electrical equipment

47.3%

↑ Increases with age

Brakes

38.1%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

36.5%

— Consistent

Suspension

33.4%

↑ Increases with age

Tyres

23.0%

↑ 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	15.0% (10 yrs)	47.9% (21 yrs)	+32.9%	🔴 ↑
Suspension	13.2% (10 yrs)	42.1% (21 yrs)	+28.9%	🔴 ↑
Tyres	14.5% (10 yrs)	26.3% (21 yrs)	+11.8%	🔴 ↑

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 1999 perform at MOT as they age. Data spans from 2009 to 2020, covering 22,738 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.