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2012 Mercedes S 320 — MOT History by Age

How cars manufactured in 2012 perform at MOT as they age

14 years
Current Age
71.1%
Latest Pass Rate
318
Total Tests (All Years)
87,482 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 8

This car: 71.1%
Average: 65.7%

✅ 5.4% above average (16578 models compared)

How This Car Ages

Pass rate progression for the 2012 Mercedes S 320 as it ages.

3 yrs90.0%
4 yrs88.6%
5 yrs88.5%
6 yrs78.6%
7 yrs73.0%
8 yrs71.1%

Bar chart showing pass rate by car age from 3 to 8 years

Fail Rate %
📊 View as table
AgePass RateTests
3 yrs90.0%70
4 yrs88.6%70
5 yrs88.5%61
6 yrs78.6%42
7 yrs73.0%37
8 yrs71.1%38

Pass Rate Trend

How the 2012 Mercedes S 320 pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 6 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (8 yrs)71.1%38
2019 (7 yrs)73%37
2018 (6 yrs)78.6%42
2017 (5 yrs)88.5%61
2016 (4 yrs)88.6%70
2015 (3 yrs)90%70

Year-by-Year MOT Results

2015
90.0%
Age (yrs) 3Tests 70Avg Mileage 38,348Top Failure Tyres — 10.0%
2016
88.6%
Age (yrs) 4Tests 70Avg Mileage 49,455Top Failure Tyres — 15.7%
2017
88.5%
Age (yrs) 5Tests 61Avg Mileage 61,924Top Failure Tyres — 11.5%
2018
78.6%
Age (yrs) 6Tests 42Avg Mileage 72,636Top Failure Brakes — 19.0%
2019
73.0%
Age (yrs) 7Tests 37Avg Mileage 77,132Top Failure Suspension — 32.4%
2020
71.1%
Age (yrs) 8Tests 38Avg Mileage 87,482Top Failure Brakes — 76.3%

Common MOT Failures

Top failure categories across all test years for 2012 Mercedes S 320, with age trends.

Brakes
23.6%
↑ Increases with age
Tyres
21.5%
↑ Increases with age
Suspension
14.6%
↑ Increases with age
Lamps, reflectors and electrical equipment
13.3%
↑ Increases with age
Noise, emissions and leaks
9.3%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes10.0% (3 yrs)76.3% (8 yrs)
+66.3%
🔴 ↑
Tyres10.0% (3 yrs)47.4% (8 yrs)
+37.4%
🔴 ↑
Suspension8.6% (3 yrs)21.1% (8 yrs)
+12.5%
🔴 ↑

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 2012 perform at MOT as they age. Data spans from 2015 to 2020, covering 318 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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