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2014 Mercedes-Benz S-class — MOT History by Age

How cars manufactured in 2014 perform at MOT as they age

12 years
Current Age
90.2%
Latest Pass Rate
8,098
Total Tests (All Years)
96,014 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 10

This car: 90.2%
Average: 58.8%

✅ 31.4% above average (15326 models compared)

How This Car Ages

Pass rate progression for the 2014 Mercedes-Benz S-class as it ages.

7 yrs87.6%
8 yrs87.7%
9 yrs85.6%
10 yrs90.2%

Bar chart showing pass rate by car age from 7 to 10 years

Fail Rate %
📊 View as table
AgePass RateTests
7 yrs87.6%1,810
8 yrs87.7%1,428
9 yrs85.6%1,699
10 yrs90.2%3,161

Pass Rate Trend

How the 2014 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 (10 yrs)90.2%3,161
2023 (9 yrs)85.6%1,699
2022 (8 yrs)87.7%1,428
2021 (7 yrs)87.6%1,810

Year-by-Year MOT Results

2021
87.6%
Age (yrs) 7Tests 1,810Avg Mileage 76,910Top Failure Tyres — 13.3%
2022
87.7%
Age (yrs) 8Tests 1,428Avg Mileage 84,115Top Failure Tyres — 11.5%
2023
85.6%
Age (yrs) 9Tests 1,699Avg Mileage 90,226Top Failure Tyres — 16.3%
2024
90.2%
Age (yrs) 10Tests 3,161Avg Mileage 96,014Top Failure Tyres — 8.9%

Common MOT Failures

Top failure categories across all test years for 2014 Mercedes-Benz S-class, with age trends.

Tyres
12.5%
↓ Decreases with age
Brakes
6.5%
— Consistent
Suspension
4.7%
— Consistent
Visibility
2.3%
— Consistent
Lamps, reflectors and electrical equipment
2.2%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres13.3% (7 yrs)8.9% (10 yrs)
-4.4%
🟢 ↓
Brakes5.3% (7 yrs)4.0% (10 yrs)
-1.3%
⚪ —
Visibility2.4% (7 yrs)1.5% (10 yrs)
-0.9%
⚪ —
Suspension4.6% (7 yrs)4.5% (10 yrs)
-0.1%
⚪ —

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 2014 perform at MOT as they age. Data spans from 2021 to 2024, covering 8,098 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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