2008 Mercedes Slk 350 — MOT History by Age

How cars manufactured in 2008 perform at MOT as they age

18 years

Current Age

80.0%

Latest Pass Rate

1,955

Total Tests (All Years)

63,293 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 80.0%

Average: 54.3%

✅ 25.7% above average (13966 models compared)

How This Car Ages

Pass rate progression for the 2008 Mercedes Slk 350 as it ages.

3 yrs90.1%

→ ↓4.7%

4 yrs85.4%

→ ↓2.3%

5 yrs83.1%

→ ↓2.5%

6 yrs80.6%

→ ↓5.3%

7 yrs75.3%

→ ↑4.7%

8 yrs80.0%

→ ↓2.7%

9 yrs77.3%

→ ↓4.6%

10 yrs72.7%

→ ↑5.3%

11 yrs78.0%

→ ↑2.0%

12 yrs80.0%

📊 View as table

Age	Pass Rate	Tests
3 yrs	90.1%	284
4 yrs	85.4%	281
5 yrs	83.1%	284
6 yrs	80.6%	278
7 yrs	75.3%	283
8 yrs	80.0%	285
9 yrs	77.3%	75
10 yrs	72.7%	66
11 yrs	78.0%	59
12 yrs	80.0%	60

Pass Rate Trend

How the 2008 Mercedes Slk 350 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (12 yrs)	80%	60
2019 (11 yrs)	78%	59
2018 (10 yrs)	72.7%	66
2017 (9 yrs)	77.3%	75
2016 (8 yrs)	80%	285
2015 (7 yrs)	75.3%	283
2014 (6 yrs)	80.6%	278
2013 (5 yrs)	83.1%	284
2012 (4 yrs)	85.4%	281
2011 (3 yrs)	90.1%	284

Year-by-Year MOT Results

2011

90.1%

Age (yrs) 3Tests 284Avg Mileage 21,469Top Failure Tyres — 6.0%

2012

85.4%

Age (yrs) 4Tests 281Avg Mileage 28,498Top Failure Tyres — 7.8%

2013

83.1%

Age (yrs) 5Tests 284Avg Mileage 33,088Top Failure Tyres — 15.8%

2014

80.6%

Age (yrs) 6Tests 278Avg Mileage 39,497Top Failure Tyres — 17.6%

2015

75.3%

Age (yrs) 7Tests 283Avg Mileage 43,895Top Failure Brakes — 23.3%

2016

80.0%

Age (yrs) 8Tests 285Avg Mileage 49,465Top Failure Brakes — 16.8%

2017

77.3%

Age (yrs) 9Tests 75Avg Mileage 53,377Top Failure Tyres — 20.0%

2018

72.7%

Age (yrs) 10Tests 66Avg Mileage 54,887Top Failure Brakes — 33.3%

2019

78.0%

Age (yrs) 11Tests 59Avg Mileage 58,546Top Failure Suspension — 25.4%

2020

80.0%

Age (yrs) 12Tests 60Avg Mileage 63,293Top Failure Suspension — 28.3%

MOT results for 2008 Mercedes Slk 350 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2011	3	90.1%	284	21,469	Tyres — 6.0%
2012	4	85.4%	281	28,498	Tyres — 7.8%
2013	5	83.1%	284	33,088	Tyres — 15.8%
2014	6	80.6%	278	39,497	Tyres — 17.6%
2015	7	75.3%	283	43,895	Brakes — 23.3%
2016	8	80.0%	285	49,465	Brakes — 16.8%
2017	9	77.3%	75	53,377	Tyres — 20.0%
2018	10	72.7%	66	54,887	Brakes — 33.3%
2019	11	78.0%	59	58,546	Suspension — 25.4%
2020	12	80.0%	60	63,293	Suspension — 28.3%

Common MOT Failures

Top failure categories across all test years for 2008 Mercedes Slk 350, with age trends.

Brakes

13.7%

↑ Increases with age

Suspension

13.0%

↑ Increases with age

Tyres

12.6%

↓ Decreases with age

Non-component advisories

6.1%

— Consistent

Lamps, Reflectors and Electrical Equipment

6.0%

↑ 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
Suspension	1.1% (3 yrs)	28.3% (12 yrs)	+27.2%	🔴 ↑
Brakes	1.4% (3 yrs)	10.0% (12 yrs)	+8.6%	🔴 ↑
Tyres	6.0% (3 yrs)	1.7% (12 yrs)	-4.3%	🟢 ↓

Other Manufacture Years

2004 2005 2006 2007 2008 2009 2010 2011 2012

← Back to Mercedes Slk 350 overview

Looking for the best year to buy? See the full comparison on the Mercedes Slk 350 page →

About This Data

This page shows how Mercedes Slk 350 cars manufactured in 2008 perform at MOT as they age. Data spans from 2011 to 2020, covering 1,955 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.