2008 Mercedes S 320 — MOT History by Age

How cars manufactured in 2008 perform at MOT as they age

18 years

Current Age

72.6%

Latest Pass Rate

10,823

Total Tests (All Years)

104,545 mi

Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 72.6%

Average: 54.3%

✅ 18.3% above average (13966 models compared)

How This Car Ages

Pass rate progression for the 2008 Mercedes S 320 as it ages.

1 yrs88.2%

→ ↓3.3%

2 yrs84.9%

→ ↓0.4%

3 yrs84.5%

→ ↓0.6%

4 yrs83.9%

→ ↓3.9%

5 yrs80.0%

→ ↓2.5%

6 yrs77.5%

→ ↑0.1%

7 yrs77.6%

→ ↓1.8%

8 yrs75.8%

→ ↑0.1%

9 yrs75.9%

→ ↓9.0%

10 yrs66.9%

→ ↓1.4%

11 yrs65.5%

→ ↑7.1%

12 yrs72.6%

📊 View as table

Age	Pass Rate	Tests
1 yrs	88.2%	187
2 yrs	84.9%	305
3 yrs	84.5%	1,584
4 yrs	83.9%	1,610
5 yrs	80.0%	1,572
6 yrs	77.5%	1,496
7 yrs	77.6%	1,422
8 yrs	75.8%	1,366
9 yrs	75.9%	439
10 yrs	66.9%	290
11 yrs	65.5%	293
12 yrs	72.6%	259

Pass Rate Trend

How the 2008 Mercedes S 320 pass rate changes as it ages, from first MOT to most recent.

📊 View as table

Built	Pass Rate	Tests
2020 (12 yrs)	72.6%	259
2019 (11 yrs)	65.5%	293
2018 (10 yrs)	66.9%	290
2017 (9 yrs)	75.9%	439
2016 (8 yrs)	75.8%	1,366
2015 (7 yrs)	77.6%	1,422
2014 (6 yrs)	77.5%	1,496
2013 (5 yrs)	80%	1,572
2012 (4 yrs)	83.9%	1,610
2011 (3 yrs)	84.5%	1,584
2010 (2 yrs)	84.9%	305
2009 (1 yrs)	88.2%	187

Year-by-Year MOT Results

2009

88.2%

Age (yrs) 1Tests 187Avg Mileage 31,338Top Failure Tyres — 8.0%

2010

84.9%

Age (yrs) 2Tests 305Avg Mileage 47,961Top Failure Lamps, Reflectors and Electrical Equipment — 7.9%

2011

84.5%

Age (yrs) 3Tests 1,584Avg Mileage 43,477Top Failure Tyres — 8.3%

2012

83.9%

Age (yrs) 4Tests 1,610Avg Mileage 56,204Top Failure Tyres — 8.0%

2013

80.0%

Age (yrs) 5Tests 1,572Avg Mileage 67,467Top Failure Tyres — 21.2%

2014

77.5%

Age (yrs) 6Tests 1,496Avg Mileage 78,276Top Failure Tyres — 22.5%

2015

77.6%

Age (yrs) 7Tests 1,422Avg Mileage 84,892Top Failure Brakes — 18.8%

2016

75.8%

Age (yrs) 8Tests 1,366Avg Mileage 91,887Top Failure Brakes — 25.0%

2017

75.9%

Age (yrs) 9Tests 439Avg Mileage 98,257Top Failure Brakes — 26.7%

2018

66.9%

Age (yrs) 10Tests 290Avg Mileage 98,255Top Failure Brakes — 51.4%

2019

65.5%

Age (yrs) 11Tests 293Avg Mileage 108,212Top Failure Brakes — 45.7%

2020

72.6%

Age (yrs) 12Tests 259Avg Mileage 104,545Top Failure Brakes — 37.5%

MOT results for 2008 Mercedes S 320 by test year
Test Year▲	Age (yrs)▲▼	Pass Rate▲▼	Tests▲▼	Avg Mileage▲▼	Top Failure▲▼
2009	1	88.2%	187	31,338	Tyres — 8.0%
2010	2	84.9%	305	47,961	Lamps, Reflectors and Electrical Equipment — 7.9%
2011	3	84.5%	1,584	43,477	Tyres — 8.3%
2012	4	83.9%	1,610	56,204	Tyres — 8.0%
2013	5	80.0%	1,572	67,467	Tyres — 21.2%
2014	6	77.5%	1,496	78,276	Tyres — 22.5%
2015	7	77.6%	1,422	84,892	Brakes — 18.8%
2016	8	75.8%	1,366	91,887	Brakes — 25.0%
2017	9	75.9%	439	98,257	Brakes — 26.7%
2018	10	66.9%	290	98,255	Brakes — 51.4%
2019	11	65.5%	293	108,212	Brakes — 45.7%
2020	12	72.6%	259	104,545	Brakes — 37.5%

Common MOT Failures

Top failure categories across all test years for 2008 Mercedes S 320, with age trends.

Brakes

22.1%

↑ Increases with age

Tyres

17.2%

↑ Increases with age

Suspension

12.8%

↑ Increases with age

Noise, emissions and leaks

11.7%

— Consistent

Lamps, reflectors and electrical equipment

11.4%

↑ 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	4.3% (1 yrs)	37.5% (12 yrs)	+33.2%	🔴 ↑
Tyres	8.0% (1 yrs)	26.3% (12 yrs)	+18.3%	🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes S 320 page →

About This Data

This page shows how Mercedes S 320 cars manufactured in 2008 perform at MOT as they age. Data spans from 2009 to 2020, covering 10,823 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.