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2012 Mercedes Sl 350 — MOT History by Age

How cars manufactured in 2012 perform at MOT as they age

14 years
Current Age
82.7%
Latest Pass Rate
441
Total Tests (All Years)
37,513 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 8

This car: 82.7%
Average: 65.7%

✅ 17.0% above average (16578 models compared)

How This Car Ages

Pass rate progression for the 2012 Mercedes Sl 350 as it ages.

3 yrs88.9%
4 yrs91.3%
5 yrs90.3%
6 yrs83.1%
7 yrs90.9%
8 yrs82.7%

Bar chart showing pass rate by car age from 3 to 8 years

Fail Rate %
📊 View as table
AgePass RateTests
3 yrs88.9%99
4 yrs91.3%104
5 yrs90.3%72
6 yrs83.1%59
7 yrs90.9%55
8 yrs82.7%52

Pass Rate Trend

How the 2012 Mercedes Sl 350 pass rate changes as it ages, from first MOT to most recent.

Trend shows stable over 6 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (8 yrs)82.7%52
2019 (7 yrs)90.9%55
2018 (6 yrs)83.1%59
2017 (5 yrs)90.3%72
2016 (4 yrs)91.3%104
2015 (3 yrs)88.9%99

Year-by-Year MOT Results

2015
88.9%
Age (yrs) 3Tests 99Avg Mileage 19,456Top Failure Tyres — 13.1%
2016
91.3%
Age (yrs) 4Tests 104Avg Mileage 24,377Top Failure Tyres — 7.7%
2017
90.3%
Age (yrs) 5Tests 72Avg Mileage 28,281Top Failure Tyres — 6.9%
2018
83.1%
Age (yrs) 6Tests 59Avg Mileage 34,566Top Failure Tyres — 16.9%
2019
90.9%
Age (yrs) 7Tests 55Avg Mileage 36,597Top Failure Brakes — 14.5%
2020
82.7%
Age (yrs) 8Tests 52Avg Mileage 37,513Top Failure Tyres — 19.2%

Common MOT Failures

Top failure categories across all test years for 2012 Mercedes Sl 350, with age trends.

Tyres
12.8%
↑ Increases with age
Brakes
8.5%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
5.4%
— Consistent
Lamps, reflectors and electrical equipment
4.4%
— Consistent
Identification of the vehicle
3.5%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes1.0% (3 yrs)15.4% (8 yrs)
+14.4%
🔴 ↑
Tyres13.1% (3 yrs)19.2% (8 yrs)
+6.1%
🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes Sl 350 page →

About This Data

This page shows how Mercedes Sl 350 cars manufactured in 2012 perform at MOT as they age. Data spans from 2015 to 2020, covering 441 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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