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2012 Mercedes-Benz S350 Bluetec B-fcy Cdi Auto — MOT History by Age

How cars manufactured in 2012 perform at MOT as they age

14 years
Current Age
85.8%
Latest Pass Rate
923
Total Tests (All Years)
43,995 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Best vintage for S350 Bluetec B-fcy Cdi Auto

Compared to Average at Age 4

This car: 85.8%
Average: 81.1%

✅ 4.7% above average (23031 models compared)

How This Car Ages

Pass rate progression for the 2012 Mercedes-Benz S350 Bluetec B-fcy Cdi Auto as it ages.

2 yrs96.7%
3 yrs87.8%
4 yrs85.8%

Bar chart showing pass rate by car age from 2 to 4 years

Fail Rate %
📊 View as table
AgePass RateTests
2 yrs96.7%30
3 yrs87.8%477
4 yrs85.8%416

Pass Rate Trend

How the 2012 Mercedes-Benz S350 Bluetec B-fcy Cdi Auto pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 3 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2016 (4 yrs)85.8%416
2015 (3 yrs)87.8%477
2014 (2 yrs)96.7%30

Year-by-Year MOT Results

2014
96.7%
Age (yrs) 2Tests 30Avg Mileage 39,094Top Failure Lamps, Reflectors and Electrical Equipment — 6.7%
2015
87.8%
Age (yrs) 3Tests 477Avg Mileage 33,438Top Failure Tyres — 10.9%
2016
85.8%
Age (yrs) 4Tests 416Avg Mileage 43,995Top Failure Tyres — 17.5%

Common MOT Failures

Top failure categories across all test years for 2012 Mercedes-Benz S350 Bluetec B-fcy Cdi Auto, with age trends.

Tyres
14.2%
↑ Increases with age
Brakes
7.4%
— Consistent
Suspension
4.8%
— Consistent
Lamps, Reflectors and Electrical Equipment
4.4%
↓ Decreases with age
Driver's View of the Road
2.5%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Lamps, Reflectors and Electrical Equipment6.7% (2 yrs)2.4% (4 yrs)
-4.3%
🟢 ↓

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes-Benz S350 Bluetec B-fcy Cdi Auto page →

About This Data

This page shows how Mercedes-Benz S350 Bluetec B-fcy Cdi Auto cars manufactured in 2012 perform at MOT as they age. Data spans from 2014 to 2016, covering 923 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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