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2012 Mercedes Slk 55 — MOT History by Age

How cars manufactured in 2012 perform at MOT as they age

14 years
Current Age
89.0%
Latest Pass Rate
637
Total Tests (All Years)
39,244 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 8

This car: 89.0%
Average: 65.7%

✅ 23.3% above average (16578 models compared)

How This Car Ages

Pass rate progression for the 2012 Mercedes Slk 55 as it ages.

3 yrs87.1%
4 yrs94.4%
5 yrs87.9%
6 yrs94.0%
7 yrs80.7%
8 yrs89.0%

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

Fail Rate %
📊 View as table
AgePass RateTests
3 yrs87.1%124
4 yrs94.4%126
5 yrs87.9%124
6 yrs94.0%84
7 yrs80.7%88
8 yrs89.0%91

Pass Rate Trend

How the 2012 Mercedes Slk 55 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)89%91
2019 (7 yrs)80.7%88
2018 (6 yrs)94%84
2017 (5 yrs)87.9%124
2016 (4 yrs)94.4%126
2015 (3 yrs)87.1%124

Year-by-Year MOT Results

2015
87.1%
Age (yrs) 3Tests 124Avg Mileage 16,673Top Failure Tyres — 14.5%
2016
94.4%
Age (yrs) 4Tests 126Avg Mileage 21,158Top Failure Tyres — 7.9%
2017
87.9%
Age (yrs) 5Tests 124Avg Mileage 26,296Top Failure Tyres — 13.7%
2018
94.0%
Age (yrs) 6Tests 84Avg Mileage 31,185Top Failure Tyres — 4.8%
2019
80.7%
Age (yrs) 7Tests 88Avg Mileage 33,483Top Failure Tyres — 20.5%
2020
89.0%
Age (yrs) 8Tests 91Avg Mileage 39,244Top Failure Tyres — 14.3%

Common MOT Failures

Top failure categories across all test years for 2012 Mercedes Slk 55, with age trends.

Tyres
12.6%
— Consistent
Brakes
5.1%
↑ Increases with age
Visibility
4.5%
— Consistent
Registration Plates and VIN
4.0%
— Consistent
Lamps, Reflectors and Electrical Equipment
4.0%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension0.8% (3 yrs)4.4% (8 yrs)
+3.6%
🔴 ↑
Tyres14.5% (3 yrs)14.3% (8 yrs)
-0.2%
⚪ —

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes Slk 55 page →

About This Data

This page shows how Mercedes Slk 55 cars manufactured in 2012 perform at MOT as they age. Data spans from 2015 to 2020, covering 637 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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