2003 Mercedes Slk 200 — MOT History by Age

How cars manufactured in 2003 perform at MOT as they age

23 years

Current Age

70.0%

Latest Pass Rate

694

Total Tests (All Years)

72,199 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 14

This car: 70.0%

Average: 52.5%

✅ 17.5% above average (12051 models compared)

How This Car Ages

Pass rate progression for the 2003 Mercedes Slk 200 as it ages.

6 yrs75.3%

→ ↓8.6%

7 yrs66.7%

→ ↑5.7%

8 yrs72.4%

→ ↓1.5%

9 yrs70.9%

→ ↓3.1%

10 yrs67.8%

→ ↓3.0%

11 yrs64.8%

→ ↑7.0%

12 yrs71.8%

→ ↓7.2%

13 yrs64.6%

→ ↑5.4%

14 yrs70.0%

📊 View as table

Age	Pass Rate	Tests
6 yrs	75.3%	85
7 yrs	66.7%	81
8 yrs	72.4%	87
9 yrs	70.9%	79
10 yrs	67.8%	87
11 yrs	64.8%	88
12 yrs	71.8%	78
13 yrs	64.6%	79
14 yrs	70.0%	30

Pass Rate Trend

How the 2003 Mercedes Slk 200 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2017 (14 yrs)	70%	30
2016 (13 yrs)	64.6%	79
2015 (12 yrs)	71.8%	78
2014 (11 yrs)	64.8%	88
2013 (10 yrs)	67.8%	87
2012 (9 yrs)	70.9%	79
2011 (8 yrs)	72.4%	87
2010 (7 yrs)	66.7%	81
2009 (6 yrs)	75.3%	85

Year-by-Year MOT Results

2009

75.3%

Age (yrs) 6Tests 85Avg Mileage 44,443Top Failure Tyres — 12.9%

2010

66.7%

Age (yrs) 7Tests 81Avg Mileage 49,161Top Failure Tyres — 17.3%

2011

72.4%

Age (yrs) 8Tests 87Avg Mileage 55,331Top Failure Lamps, Reflectors and Electrical Equipment — 10.3%

2012

70.9%

Age (yrs) 9Tests 79Avg Mileage 58,392Top Failure Suspension — 15.2%

2013

67.8%

Age (yrs) 10Tests 87Avg Mileage 63,496Top Failure Lamps, Reflectors and Electrical Equipment — 27.6%

2014High Fail Rate

64.8%

Age (yrs) 11Tests 88Avg Mileage 67,095Top Failure Suspension — 22.7%

2015

71.8%

Age (yrs) 12Tests 78Avg Mileage 69,020Top Failure Lamps, Reflectors and Electrical Equipment — 29.5%

2016High Fail Rate

64.6%

Age (yrs) 13Tests 79Avg Mileage 76,973Top Failure Brakes — 35.4%

2017

70.0%

Age (yrs) 14Tests 30Avg Mileage 72,199Top Failure Brakes — 43.3%

MOT results for 2003 Mercedes Slk 200 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	6	75.3%	85	44,443	Tyres — 12.9%
2010	7	66.7%	81	49,161	Tyres — 17.3%
2011	8	72.4%	87	55,331	Lamps, Reflectors and Electrical Equipment — 10.3%
2012	9	70.9%	79	58,392	Suspension — 15.2%
2013	10	67.8%	87	63,496	Lamps, Reflectors and Electrical Equipment — 27.6%
2014	11	64.8%	88	67,095	Suspension — 22.7%
2015	12	71.8%	78	69,020	Lamps, Reflectors and Electrical Equipment — 29.5%
2016	13	64.6%	79	76,973	Brakes — 35.4%
2017	14	70.0%	30	72,199	Brakes — 43.3%

Common MOT Failures

Top failure categories across all test years for 2003 Mercedes Slk 200, with age trends.

Brakes

20.6%

↑ Increases with age

Lamps, Reflectors and Electrical Equipment

19.4%

↑ Increases with age

Suspension

18.8%

↑ Increases with age

Tyres

15.0%

↑ Increases with age

Driver's View of the Road

7.4%

↑ 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	8.2% (6 yrs)	43.3% (14 yrs)	+35.1%	🔴 ↑
Lamps, Reflectors and Electrical Equipment	9.4% (6 yrs)	26.7% (14 yrs)	+17.3%	🔴 ↑
Suspension	10.6% (6 yrs)	26.7% (14 yrs)	+16.1%	🔴 ↑
Tyres	12.9% (6 yrs)	20.0% (14 yrs)	+7.1%	🔴 ↑

Other Manufacture Years

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

← Back to Mercedes Slk 200 overview

Looking for the best year to buy? See the full comparison on the Mercedes Slk 200 page →

About This Data

This page shows how Mercedes Slk 200 cars manufactured in 2003 perform at MOT as they age. Data spans from 2009 to 2017, covering 694 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.