2002 Mercedes Slk 230k — MOT History by Age

How cars manufactured in 2002 perform at MOT as they age

24 years

Current Age

71.5%

Latest Pass Rate

16,464

Total Tests (All Years)

83,718 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for Slk 230k

Compared to Average at Age 18

This car: 71.5%

Average: 54.3%

✅ 17.2% above average (8383 models compared)

How This Car Ages

Pass rate progression for the 2002 Mercedes Slk 230k as it ages.

7 yrs77.5%

→ ↓3.9%

8 yrs73.6%

→ ↑2.4%

9 yrs76.0%

→ ↓2.9%

10 yrs73.1%

→ ↓2.6%

11 yrs70.5%

→ ↑1.9%

12 yrs72.4%

→ ↑0.2%

13 yrs72.6%

→ ↓0.2%

14 yrs72.4%

→ ↓0.1%

15 yrs72.3%

→ ↓1.9%

16 yrs70.4%

→ ↓0.0%

17 yrs70.4%

→ ↑1.1%

18 yrs71.5%

📊 View as table

Age	Pass Rate	Tests
7 yrs	77.5%	1,637
8 yrs	73.6%	1,603
9 yrs	76.0%	1,637
10 yrs	73.1%	1,634
11 yrs	70.5%	1,598
12 yrs	72.4%	1,586
13 yrs	72.6%	1,586
14 yrs	72.4%	1,524
15 yrs	72.3%	1,191
16 yrs	70.4%	822
17 yrs	70.4%	854
18 yrs	71.5%	792

Pass Rate Trend

How the 2002 Mercedes Slk 230k pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (18 yrs)	71.5%	792
2019 (17 yrs)	70.4%	854
2018 (16 yrs)	70.4%	822
2017 (15 yrs)	72.3%	1,191
2016 (14 yrs)	72.4%	1,524
2015 (13 yrs)	72.6%	1,586
2014 (12 yrs)	72.4%	1,586
2013 (11 yrs)	70.5%	1,598
2012 (10 yrs)	73.1%	1,634
2011 (9 yrs)	76%	1,637
2010 (8 yrs)	73.6%	1,603
2009 (7 yrs)	77.5%	1,637

Year-by-Year MOT Results

2009

77.5%

Age (yrs) 7Tests 1,637Avg Mileage 48,533Top Failure Lamps, Reflectors and Electrical Equipment — 10.5%

2010

73.6%

Age (yrs) 8Tests 1,603Avg Mileage 53,721Top Failure Lamps, Reflectors and Electrical Equipment — 13.3%

2011

76.0%

Age (yrs) 9Tests 1,637Avg Mileage 58,768Top Failure Lamps, Reflectors and Electrical Equipment — 12.3%

2012

73.1%

Age (yrs) 10Tests 1,634Avg Mileage 62,326Top Failure Lamps, Reflectors and Electrical Equipment — 13.9%

2013

70.5%

Age (yrs) 11Tests 1,598Avg Mileage 66,750Top Failure Lamps, Reflectors and Electrical Equipment — 24.2%

2014

72.4%

Age (yrs) 12Tests 1,586Avg Mileage 71,103Top Failure Lamps, Reflectors and Electrical Equipment — 21.9%

2015

72.6%

Age (yrs) 13Tests 1,586Avg Mileage 73,936Top Failure Lamps, Reflectors and Electrical Equipment — 25.9%

2016

72.4%

Age (yrs) 14Tests 1,524Avg Mileage 77,769Top Failure Lamps, Reflectors and Electrical Equipment — 26.2%

2017

72.3%

Age (yrs) 15Tests 1,191Avg Mileage 78,636Top Failure Lamps, Reflectors and Electrical Equipment — 28.6%

2018

70.4%

Age (yrs) 16Tests 822Avg Mileage 80,103Top Failure Brakes — 28.5%

2019

70.4%

Age (yrs) 17Tests 854Avg Mileage 84,057Top Failure Brakes — 31.5%

2020

71.5%

Age (yrs) 18Tests 792Avg Mileage 83,718Top Failure Lamps, reflectors and electrical equipment — 33.5%

MOT results for 2002 Mercedes Slk 230k by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	7	77.5%	1,637	48,533	Lamps, Reflectors and Electrical Equipment — 10.5%
2010	8	73.6%	1,603	53,721	Lamps, Reflectors and Electrical Equipment — 13.3%
2011	9	76.0%	1,637	58,768	Lamps, Reflectors and Electrical Equipment — 12.3%
2012	10	73.1%	1,634	62,326	Lamps, Reflectors and Electrical Equipment — 13.9%
2013	11	70.5%	1,598	66,750	Lamps, Reflectors and Electrical Equipment — 24.2%
2014	12	72.4%	1,586	71,103	Lamps, Reflectors and Electrical Equipment — 21.9%
2015	13	72.6%	1,586	73,936	Lamps, Reflectors and Electrical Equipment — 25.9%
2016	14	72.4%	1,524	77,769	Lamps, Reflectors and Electrical Equipment — 26.2%
2017	15	72.3%	1,191	78,636	Lamps, Reflectors and Electrical Equipment — 28.6%
2018	16	70.4%	822	80,103	Brakes — 28.5%
2019	17	70.4%	854	84,057	Brakes — 31.5%
2020	18	71.5%	792	83,718	Lamps, reflectors and electrical equipment — 33.5%

Common MOT Failures

Top failure categories across all test years for 2002 Mercedes Slk 230k, with age trends.

Lamps, reflectors and electrical equipment

26.4%

↑ Increases with age

Brakes

19.0%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

18.6%

— Consistent

Tyres

15.6%

↑ Increases with age

Suspension

14.0%

↑ 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	4.6% (7 yrs)	32.7% (18 yrs)	+28.1%	🔴 ↑
Tyres	8.2% (7 yrs)	25.4% (18 yrs)	+17.2%	🔴 ↑
Suspension	6.5% (7 yrs)	19.9% (18 yrs)	+13.4%	🔴 ↑

Other Manufacture Years

1996 1997 1998 1999 2000 2001 2002 2003 2004

← Back to Mercedes Slk 230k overview

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

About This Data

This page shows how Mercedes Slk 230k cars manufactured in 2002 perform at MOT as they age. Data spans from 2009 to 2020, covering 16,464 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.