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2012 Mercedes S 350 — MOT History by Age

How cars manufactured in 2012 perform at MOT as they age

14 years
Current Age
77.9%
Latest Pass Rate
1,900
Total Tests (All Years)
83,885 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 8

This car: 77.9%
Average: 65.7%

✅ 12.2% above average (16578 models compared)

How This Car Ages

Pass rate progression for the 2012 Mercedes S 350 as it ages.

1 yrs90.5%
2 yrs86.9%
3 yrs86.0%
4 yrs85.2%
5 yrs84.3%
6 yrs86.7%
7 yrs77.6%
8 yrs77.9%

Bar chart showing pass rate by car age from 1 to 8 years

Fail Rate %
📊 View as table
AgePass RateTests
1 yrs90.5%95
2 yrs86.9%160
3 yrs86.0%578
4 yrs85.2%596
5 yrs84.3%153
6 yrs86.7%98
7 yrs77.6%116
8 yrs77.9%104

Pass Rate Trend

How the 2012 Mercedes S 350 pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 8 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (8 yrs)77.9%104
2019 (7 yrs)77.6%116
2018 (6 yrs)86.7%98
2017 (5 yrs)84.3%153
2016 (4 yrs)85.2%596
2015 (3 yrs)86%578
2014 (2 yrs)86.9%160
2013 (1 yrs)90.5%95

Year-by-Year MOT Results

2013
90.5%
Age (yrs) 1Tests 95Avg Mileage 23,473Top Failure Tyres — 11.6%
2014
86.9%
Age (yrs) 2Tests 160Avg Mileage 44,532Top Failure Tyres — 16.9%
2015
86.0%
Age (yrs) 3Tests 578Avg Mileage 41,882Top Failure Brakes — 14.5%
2016
85.2%
Age (yrs) 4Tests 596Avg Mileage 49,183Top Failure Tyres — 16.3%
2017
84.3%
Age (yrs) 5Tests 153Avg Mileage 57,258Top Failure Tyres — 17.6%
2018
86.7%
Age (yrs) 6Tests 98Avg Mileage 73,966Top Failure Tyres — 18.4%
2019
77.6%
Age (yrs) 7Tests 116Avg Mileage 72,093Top Failure Tyres — 24.1%
2020
77.9%
Age (yrs) 8Tests 104Avg Mileage 83,885Top Failure Tyres — 23.1%

Common MOT Failures

Top failure categories across all test years for 2012 Mercedes S 350, with age trends.

Tyres
17.7%
↑ Increases with age
Brakes
11.1%
↑ Increases with age
Suspension
7.6%
↑ Increases with age
Noise, emissions and leaks
6.9%
— Consistent
Lamps, reflectors and electrical equipment
4.9%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes1.1% (1 yrs)19.2% (8 yrs)
+18.1%
🔴 ↑
Tyres11.6% (1 yrs)23.1% (8 yrs)
+11.5%
🔴 ↑

Other Manufacture Years

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

About This Data

This page shows how Mercedes S 350 cars manufactured in 2012 perform at MOT as they age. Data spans from 2013 to 2020, covering 1,900 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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