2008 Mercedes Sl 63 — MOT History by Age

How cars manufactured in 2008 perform at MOT as they age

18 years

Current Age

76.7%

Latest Pass Rate

856

Total Tests (All Years)

45,904 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 76.7%

Average: 54.3%

✅ 22.4% above average (13966 models compared)

How This Car Ages

Pass rate progression for the 2008 Mercedes Sl 63 as it ages.

3 yrs89.1%

→ ↑2.6%

4 yrs91.7%

→ ↓2.1%

5 yrs89.6%

→ ↓3.4%

6 yrs86.2%

→ ↑8.4%

7 yrs94.6%

→ ↓11.5%

8 yrs83.1%

→ ↑14.8%

9 yrs97.9%

→ ↓19.8%

10 yrs78.1%

→ ↓2.4%

11 yrs75.7%

→ ↑1.0%

12 yrs76.7%

📊 View as table

Age	Pass Rate	Tests
3 yrs	89.1%	119
4 yrs	91.7%	120
5 yrs	89.6%	125
6 yrs	86.2%	116
7 yrs	94.6%	111
8 yrs	83.1%	118
9 yrs	97.9%	48
10 yrs	78.1%	32
11 yrs	75.7%	37
12 yrs	76.7%	30

Pass Rate Trend

How the 2008 Mercedes Sl 63 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (12 yrs)	76.7%	30
2019 (11 yrs)	75.7%	37
2018 (10 yrs)	78.1%	32
2017 (9 yrs)	97.9%	48
2016 (8 yrs)	83.1%	118
2015 (7 yrs)	94.6%	111
2014 (6 yrs)	86.2%	116
2013 (5 yrs)	89.6%	125
2012 (4 yrs)	91.7%	120
2011 (3 yrs)	89.1%	119

Year-by-Year MOT Results

2011

89.1%

Age (yrs) 3Tests 119Avg Mileage 15,951Top Failure Tyres — 5.0%

2012

91.7%

Age (yrs) 4Tests 120Avg Mileage 19,795Top Failure Tyres — 3.3%

2013

89.6%

Age (yrs) 5Tests 125Avg Mileage 25,128Top Failure Tyres — 8.0%

2014

86.2%

Age (yrs) 6Tests 116Avg Mileage 29,323Top Failure Tyres — 14.7%

2015

94.6%

Age (yrs) 7Tests 111Avg Mileage 33,650Top Failure Tyres — 9.0%

2016

83.1%

Age (yrs) 8Tests 118Avg Mileage 37,620Top Failure Tyres — 11.0%

2017

97.9%

Age (yrs) 9Tests 48Avg Mileage 39,397Top Failure Road Wheels — 2.1%

2018

78.1%

Age (yrs) 10Tests 32Avg Mileage 42,520Top Failure Tyres — 25.0%

2019

75.7%

Age (yrs) 11Tests 37Avg Mileage 43,456Top Failure Brakes — 21.6%

2020

76.7%

Age (yrs) 12Tests 30Avg Mileage 45,904Top Failure Brakes — 36.7%

MOT results for 2008 Mercedes Sl 63 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2011	3	89.1%	119	15,951	Tyres — 5.0%
2012	4	91.7%	120	19,795	Tyres — 3.3%
2013	5	89.6%	125	25,128	Tyres — 8.0%
2014	6	86.2%	116	29,323	Tyres — 14.7%
2015	7	94.6%	111	33,650	Tyres — 9.0%
2016	8	83.1%	118	37,620	Tyres — 11.0%
2017	9	97.9%	48	39,397	Road Wheels — 2.1%
2018	10	78.1%	32	42,520	Tyres — 25.0%
2019	11	75.7%	37	43,456	Brakes — 21.6%
2020	12	76.7%	30	45,904	Brakes — 36.7%

Common MOT Failures

Top failure categories across all test years for 2008 Mercedes Sl 63, with age trends.

Tyres

11.6%

↑ Increases with age

Lamps, reflectors and electrical equipment

10.4%

↑ Increases with age

Brakes

10.1%

↑ Increases with age

Suspension

7.6%

↑ Increases with age

Visibility

5.4%

— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

Category	At Youngest	At Oldest	Change	Trend
Brakes	0.8% (3 yrs)	36.7% (12 yrs)	+35.9%	🔴 ↑
Tyres	5.0% (3 yrs)	23.3% (12 yrs)	+18.3%	🔴 ↑
Suspension	0.8% (3 yrs)	10.0% (12 yrs)	+9.2%	🔴 ↑

Other Manufacture Years

2008 2009 2010 2011

← Back to Mercedes Sl 63 overview

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About This Data

This page shows how Mercedes Sl 63 cars manufactured in 2008 perform at MOT as they age. Data spans from 2011 to 2020, covering 856 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.