2004 Mercedes Slk 200 — MOT History by Age

How cars manufactured in 2004 perform at MOT as they age

22 years

Current Age

75.0%

Latest Pass Rate

1,289

Total Tests (All Years)

78,353 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 16

This car: 75.0%

Average: 52.7%

✅ 22.3% above average (10212 models compared)

How This Car Ages

Pass rate progression for the 2004 Mercedes Slk 200 as it ages.

5 yrs75.0%

→ ↑9.5%

6 yrs84.5%

→ ↓10.0%

7 yrs74.5%

→ ↓1.0%

8 yrs73.5%

→ ↓6.4%

9 yrs67.1%

→ ↓1.4%

10 yrs65.7%

→ ↑1.7%

11 yrs67.4%

→ ↑0.1%

12 yrs67.5%

→ ↑4.5%

13 yrs72.0%

→ ↓7.1%

14 yrs64.9%

→ ↑0.1%

15 yrs65.0%

→ ↑10.0%

16 yrs75.0%

📊 View as table

Age	Pass Rate	Tests
5 yrs	75.0%	144
6 yrs	84.5%	129
7 yrs	74.5%	141
8 yrs	73.5%	136
9 yrs	67.1%	143
10 yrs	65.7%	143
11 yrs	67.4%	135
12 yrs	67.5%	151
13 yrs	72.0%	50
14 yrs	64.9%	37
15 yrs	65.0%	40
16 yrs	75.0%	40

Pass Rate Trend

How the 2004 Mercedes Slk 200 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (16 yrs)	75%	40
2019 (15 yrs)	65%	40
2018 (14 yrs)	64.9%	37
2017 (13 yrs)	72%	50
2016 (12 yrs)	67.5%	151
2015 (11 yrs)	67.4%	135
2014 (10 yrs)	65.7%	143
2013 (9 yrs)	67.1%	143
2012 (8 yrs)	73.5%	136
2011 (7 yrs)	74.5%	141
2010 (6 yrs)	84.5%	129
2009 (5 yrs)	75%	144

Year-by-Year MOT Results

2009

75.0%

Age (yrs) 5Tests 144Avg Mileage 38,028Top Failure Tyres — 12.5%

2010

84.5%

Age (yrs) 6Tests 129Avg Mileage 40,794Top Failure Lamps, Reflectors and Electrical Equipment — 7.8%

2011

74.5%

Age (yrs) 7Tests 141Avg Mileage 47,855Top Failure Suspension — 11.3%

2012

73.5%

Age (yrs) 8Tests 136Avg Mileage 52,611Top Failure Suspension — 13.2%

2013

67.1%

Age (yrs) 9Tests 143Avg Mileage 58,805Top Failure Suspension — 33.6%

2014

65.7%

Age (yrs) 10Tests 143Avg Mileage 62,695Top Failure Suspension — 23.1%

2015

67.4%

Age (yrs) 11Tests 135Avg Mileage 66,660Top Failure Brakes — 27.4%

2016

67.5%

Age (yrs) 12Tests 151Avg Mileage 72,139Top Failure Brakes — 28.5%

2017

72.0%

Age (yrs) 13Tests 50Avg Mileage 73,896Top Failure Suspension — 30.0%

2018High Fail Rate

64.9%

Age (yrs) 14Tests 37Avg Mileage 73,159Top Failure Brakes — 67.6%

2019

65.0%

Age (yrs) 15Tests 40Avg Mileage 79,199Top Failure Suspension — 45.0%

2020

75.0%

Age (yrs) 16Tests 40Avg Mileage 78,353Top Failure Suspension — 25.0%

MOT results for 2004 Mercedes Slk 200 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	5	75.0%	144	38,028	Tyres — 12.5%
2010	6	84.5%	129	40,794	Lamps, Reflectors and Electrical Equipment — 7.8%
2011	7	74.5%	141	47,855	Suspension — 11.3%
2012	8	73.5%	136	52,611	Suspension — 13.2%
2013	9	67.1%	143	58,805	Suspension — 33.6%
2014	10	65.7%	143	62,695	Suspension — 23.1%
2015	11	67.4%	135	66,660	Brakes — 27.4%
2016	12	67.5%	151	72,139	Brakes — 28.5%
2017	13	72.0%	50	73,896	Suspension — 30.0%
2018	14	64.9%	37	73,159	Brakes — 67.6%
2019	15	65.0%	40	79,199	Suspension — 45.0%
2020	16	75.0%	40	78,353	Suspension — 25.0%

Common MOT Failures

Top failure categories across all test years for 2004 Mercedes Slk 200, with age trends.

Suspension

23.5%

↑ Increases with age

Brakes

22.9%

↑ Increases with age

Lamps, reflectors and electrical equipment

18.9%

↓ Decreases with age

Tyres

17.1%

— Consistent

Lamps, Reflectors and Electrical Equipment

13.6%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Suspension	5.6% (5 yrs)	25.0% (16 yrs)	+19.4%	🔴 ↑
Brakes	3.5% (5 yrs)	12.5% (16 yrs)	+9.0%	🔴 ↑
Tyres	12.5% (5 yrs)	10.0% (16 yrs)	-2.5%	🟢 ↓

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 2004 perform at MOT as they age. Data spans from 2009 to 2020, covering 1,289 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.