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2008 Mercedes S 500 — MOT History by Age

How cars manufactured in 2008 perform at MOT as they age

18 years
Current Age
73.5%
Latest Pass Rate
987
Total Tests (All Years)
87,395 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 73.5%
Average: 54.3%

✅ 19.2% above average (13966 models compared)

How This Car Ages

Pass rate progression for the 2008 Mercedes S 500 as it ages.

3 yrs86.5%
4 yrs82.4%
5 yrs84.8%
6 yrs82.9%
7 yrs76.3%
8 yrs76.3%
9 yrs78.0%
10 yrs69.0%
11 yrs76.2%
12 yrs73.5%

Bar chart showing pass rate by car age from 3 to 12 years

Fail Rate %
📊 View as table
AgePass RateTests
3 yrs86.5%148
4 yrs82.4%131
5 yrs84.8%138
6 yrs82.9%140
7 yrs76.3%131
8 yrs76.3%131
9 yrs78.0%50
10 yrs69.0%42
11 yrs76.2%42
12 yrs73.5%34

Pass Rate Trend

How the 2008 Mercedes S 500 pass rate changes as it ages, from first MOT to most recent.

Trend shows improving over 10 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (12 yrs)73.5%34
2019 (11 yrs)76.2%42
2018 (10 yrs)69%42
2017 (9 yrs)78%50
2016 (8 yrs)76.3%131
2015 (7 yrs)76.3%131
2014 (6 yrs)82.9%140
2013 (5 yrs)84.8%138
2012 (4 yrs)82.4%131
2011 (3 yrs)86.5%148

Year-by-Year MOT Results

2011
86.5%
Age (yrs) 3Tests 148Avg Mileage 34,393Top Failure Brakes — 6.1%
2012
82.4%
Age (yrs) 4Tests 131Avg Mileage 40,458Top Failure Tyres — 9.2%
2013
84.8%
Age (yrs) 5Tests 138Avg Mileage 49,417Top Failure Brakes — 8.0%
2014
82.9%
Age (yrs) 6Tests 140Avg Mileage 58,134Top Failure Brakes — 20.7%
2015
76.3%
Age (yrs) 7Tests 131Avg Mileage 64,454Top Failure Tyres — 27.5%
2016
76.3%
Age (yrs) 8Tests 131Avg Mileage 76,632Top Failure Suspension — 17.6%
2017
78.0%
Age (yrs) 9Tests 50Avg Mileage 74,725Top Failure Tyres — 26.0%
2018
69.0%
Age (yrs) 10Tests 42Avg Mileage 79,335Top Failure Suspension — 33.3%
2019
76.2%
Age (yrs) 11Tests 42Avg Mileage 88,650Top Failure Brakes — 31.0%
2020
73.5%
Age (yrs) 12Tests 34Avg Mileage 87,395Top Failure Brakes — 50.0%

Common MOT Failures

Top failure categories across all test years for 2008 Mercedes S 500, with age trends.

Brakes
18.8%
↑ Increases with age
Tyres
16.7%
↑ Increases with age
Suspension
13.3%
↑ Increases with age
Lamps, reflectors and electrical equipment
10.3%
↑ Increases with age
Road Wheels
7.1%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes6.1% (3 yrs)50.0% (12 yrs)
+43.9%
🔴 ↑
Tyres3.4% (3 yrs)23.5% (12 yrs)
+20.1%
🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes S 500 page →

About This Data

This page shows how Mercedes S 500 cars manufactured in 2008 perform at MOT as they age. Data spans from 2011 to 2020, covering 987 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.

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