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2012 Mercedes Slk 350 — MOT History by Age

How cars manufactured in 2012 perform at MOT as they age

14 years
Current Age
82.9%
Latest Pass Rate
595
Total Tests (All Years)
40,445 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 8

This car: 82.9%
Average: 65.7%

✅ 17.2% above average (16578 models compared)

How This Car Ages

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

3 yrs91.1%
4 yrs93.9%
5 yrs92.2%
6 yrs84.2%
7 yrs83.3%
8 yrs82.9%

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

Fail Rate %
📊 View as table
AgePass RateTests
3 yrs91.1%123
4 yrs93.9%115
5 yrs92.2%115
6 yrs84.2%76
7 yrs83.3%90
8 yrs82.9%76

Pass Rate Trend

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

Trend shows declining over 6 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (8 yrs)82.9%76
2019 (7 yrs)83.3%90
2018 (6 yrs)84.2%76
2017 (5 yrs)92.2%115
2016 (4 yrs)93.9%115
2015 (3 yrs)91.1%123

Year-by-Year MOT Results

2015
91.1%
Age (yrs) 3Tests 123Avg Mileage 17,140Top Failure Tyres — 11.4%
2016
93.9%
Age (yrs) 4Tests 115Avg Mileage 25,739Top Failure Tyres — 7.8%
2017
92.2%
Age (yrs) 5Tests 115Avg Mileage 28,176Top Failure Lamps, Reflectors and Electrical Equipment — 4.3%
2018
84.2%
Age (yrs) 6Tests 76Avg Mileage 32,469Top Failure Tyres — 30.3%
2019
83.3%
Age (yrs) 7Tests 90Avg Mileage 37,941Top Failure Tyres — 13.3%
2020
82.9%
Age (yrs) 8Tests 76Avg Mileage 40,445Top Failure Suspension — 13.2%

Common MOT Failures

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

Tyres
12.5%
↓ Decreases with age
Suspension
8.3%
↑ Increases with age
Lamps, reflectors and electrical equipment
5.3%
— Consistent
Brakes
5.0%
↑ Increases with age
Noise, emissions and leaks
3.6%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes0.8% (3 yrs)10.5% (8 yrs)
+9.7%
🔴 ↑
Tyres11.4% (3 yrs)7.9% (8 yrs)
-3.5%
🟢 ↓

Other Manufacture Years

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

About This Data

This page shows how Mercedes Slk 350 cars manufactured in 2012 perform at MOT as they age. Data spans from 2015 to 2020, covering 595 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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