Skip to main content
Pass Your MOT

2014 Mercedes S 350 — MOT History by Age

How cars manufactured in 2014 perform at MOT as they age

12 years
Current Age
94.0%
Latest Pass Rate
879
Total Tests (All Years)
107,448 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 6

This car: 94.0%
Average: 73.4%

✅ 20.6% above average (18367 models compared)

How This Car Ages

Pass rate progression for the 2014 Mercedes S 350 as it ages.

1 yrs97.5%
2 yrs93.1%
3 yrs92.1%
4 yrs87.2%
5 yrs87.1%
6 yrs94.0%

Bar chart showing pass rate by car age from 1 to 6 years

Fail Rate %
📊 View as table
AgePass RateTests
1 yrs97.5%201
2 yrs93.1%202
3 yrs92.1%191
4 yrs87.2%109
5 yrs87.1%93
6 yrs94.0%83

Pass Rate Trend

How the 2014 Mercedes S 350 pass rate changes as it ages, from first MOT to most recent.

Trend shows improving over 6 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (6 yrs)94%83
2019 (5 yrs)87.1%93
2018 (4 yrs)87.2%109
2017 (3 yrs)92.1%191
2016 (2 yrs)93.1%202
2015 (1 yrs)97.5%201

Year-by-Year MOT Results

2015
97.5%
Age (yrs) 1Tests 201Avg Mileage 23,632Top Failure Tyres — 2.5%
2016
93.1%
Age (yrs) 2Tests 202Avg Mileage 43,948Top Failure Tyres — 9.4%
2017
92.1%
Age (yrs) 3Tests 191Avg Mileage 63,524Top Failure Tyres — 8.4%
2018
87.2%
Age (yrs) 4Tests 109Avg Mileage 78,604Top Failure Tyres — 15.6%
2019
87.1%
Age (yrs) 5Tests 93Avg Mileage 98,146Top Failure Tyres — 14.0%
2020
94.0%
Age (yrs) 6Tests 83Avg Mileage 107,448Top Failure Tyres — 8.4%

Common MOT Failures

Top failure categories across all test years for 2014 Mercedes S 350, with age trends.

Tyres
9.7%
↑ Increases with age
Identification of the vehicle
4.3%
— Consistent
Brakes
3.7%
— Consistent
Suspension
3.6%
— Consistent
Visibility
2.8%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres2.5% (1 yrs)8.4% (6 yrs)
+5.9%
🔴 ↑

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 2014 perform at MOT as they age. Data spans from 2015 to 2020, covering 879 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