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2011 Mercedes S 320 — MOT History by Age

How cars manufactured in 2011 perform at MOT as they age

15 years
Current Age
76.9%
Latest Pass Rate
483
Total Tests (All Years)
88,756 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 9

This car: 76.9%
Average: 62.0%

✅ 14.9% above average (15872 models compared)

How This Car Ages

Pass rate progression for the 2011 Mercedes S 320 as it ages.

3 yrs81.8%
4 yrs85.4%
5 yrs84.3%
6 yrs79.7%
7 yrs85.4%
8 yrs79.6%
9 yrs76.9%

Bar chart showing pass rate by car age from 3 to 9 years

Fail Rate %
📊 View as table
AgePass RateTests
3 yrs81.8%88
4 yrs85.4%89
5 yrs84.3%83
6 yrs79.7%74
7 yrs85.4%48
8 yrs79.6%49
9 yrs76.9%52

Pass Rate Trend

How the 2011 Mercedes S 320 pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 7 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (9 yrs)76.9%52
2019 (8 yrs)79.6%49
2018 (7 yrs)85.4%48
2017 (6 yrs)79.7%74
2016 (5 yrs)84.3%83
2015 (4 yrs)85.4%89
2014 (3 yrs)81.8%88

Year-by-Year MOT Results

2014
81.8%
Age (yrs) 3Tests 88Avg Mileage 43,937Top Failure Tyres — 19.3%
2015
85.4%
Age (yrs) 4Tests 89Avg Mileage 57,111Top Failure Brakes — 19.1%
2016
84.3%
Age (yrs) 5Tests 83Avg Mileage 58,203Top Failure Brakes — 15.7%
2017
79.7%
Age (yrs) 6Tests 74Avg Mileage 63,099Top Failure Brakes — 20.3%
2018
85.4%
Age (yrs) 7Tests 48Avg Mileage 71,792Top Failure Brakes — 16.7%
2019
79.6%
Age (yrs) 8Tests 49Avg Mileage 82,761Top Failure Suspension — 16.3%
2020
76.9%
Age (yrs) 9Tests 52Avg Mileage 88,756Top Failure Suspension — 30.8%

Common MOT Failures

Top failure categories across all test years for 2011 Mercedes S 320, with age trends.

Brakes
17.5%
↑ Increases with age
Tyres
15.7%
↑ Increases with age
Suspension
14.0%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
6.3%
↓ Decreases with age
Registration Plates and VIN
4.4%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension5.7% (3 yrs)30.8% (9 yrs)
+25.1%
🔴 ↑
Tyres19.3% (3 yrs)26.9% (9 yrs)
+7.6%
🔴 ↑

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 2011 perform at MOT as they age. Data spans from 2014 to 2020, covering 483 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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