Skip to main content
Pass Your MOT

2012 Mercedes-Benz S-class — MOT History by Age

How cars manufactured in 2012 perform at MOT as they age

14 years
Current Age
83.1%
Latest Pass Rate
5,787
Total Tests (All Years)
100,495 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 83.1%
Average: 54.3%

✅ 28.8% above average (13966 models compared)

How This Car Ages

Pass rate progression for the 2012 Mercedes-Benz S-class as it ages.

9 yrs78.7%
10 yrs77.4%
11 yrs76.6%
12 yrs83.1%

Bar chart showing pass rate by car age from 9 to 12 years

Fail Rate %
📊 View as table
AgePass RateTests
9 yrs78.7%1,366
10 yrs77.4%1,091
11 yrs76.6%1,269
12 yrs83.1%2,061

Pass Rate Trend

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

Trend shows improving over 4 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (12 yrs)83.1%2,061
2023 (11 yrs)76.6%1,269
2022 (10 yrs)77.4%1,091
2021 (9 yrs)78.7%1,366

Year-by-Year MOT Results

2021
78.7%
Age (yrs) 9Tests 1,366Avg Mileage 91,137Top Failure Brakes — 25.9%
2022
77.4%
Age (yrs) 10Tests 1,091Avg Mileage 95,619Top Failure Brakes — 27.8%
2023
76.6%
Age (yrs) 11Tests 1,269Avg Mileage 100,200Top Failure Brakes — 32.9%
2024
83.1%
Age (yrs) 12Tests 2,061Avg Mileage 100,495Top Failure Brakes — 19.6%

Common MOT Failures

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

Brakes
26.6%
↓ Decreases with age
Tyres
18.8%
↓ Decreases with age
Suspension
16.4%
↓ Decreases with age
Noise, emissions and leaks
7.0%
— Consistent
Lamps, reflectors and electrical equipment
4.1%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes25.9% (9 yrs)19.6% (12 yrs)
-6.3%
🟢 ↓
Tyres18.8% (9 yrs)12.9% (12 yrs)
-5.9%
🟢 ↓
Suspension16.5% (9 yrs)11.5% (12 yrs)
-5.0%
🟢 ↓
Lamps, reflectors and electrical equipment5.1% (9 yrs)3.3% (12 yrs)
-1.8%
⚪ —
Noise, emissions and leaks7.0% (9 yrs)5.3% (12 yrs)
-1.7%
⚪ —

Other Manufacture Years

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

About This Data

This page shows how Mercedes-Benz S-class cars manufactured in 2012 perform at MOT as they age. Data spans from 2021 to 2024, covering 5,787 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.

Share via WhatsApp Share on Facebook Report Issue