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2012 Mercedes-Benz Slk — MOT History by Age

How cars manufactured in 2012 perform at MOT as they age

14 years
Current Age
78.8%
Latest Pass Rate
34,250
Total Tests (All Years)
64,884 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 12

This car: 78.8%
Average: 54.3%

✅ 24.5% above average (13966 models compared)

How This Car Ages

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

5 yrs86.7%
6 yrs84.0%
7 yrs82.6%
8 yrs81.1%
9 yrs79.7%
10 yrs77.4%
11 yrs77.0%
12 yrs78.8%

Bar chart showing pass rate by car age from 5 to 12 years

Fail Rate %
📊 View as table
AgePass RateTests
5 yrs86.7%2,859
6 yrs84.0%2,004
7 yrs82.6%2,191
8 yrs81.1%2,216
9 yrs79.7%5,672
10 yrs77.4%4,639
11 yrs77.0%5,579
12 yrs78.8%9,090

Pass Rate Trend

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

Trend shows improving over 8 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (12 yrs)78.8%9,090
2023 (11 yrs)77%5,579
2022 (10 yrs)77.4%4,639
2021 (9 yrs)79.7%5,672
2020 (8 yrs)81.1%2,216
2019 (7 yrs)82.6%2,191
2018 (6 yrs)84%2,004
2017 (5 yrs)86.7%2,859

Year-by-Year MOT Results

2017
86.7%
Age (yrs) 5Tests 2,859Avg Mileage 32,964Top Failure Tyres — 16.2%
2018
84.0%
Age (yrs) 6Tests 2,004Avg Mileage 38,379Top Failure Tyres — 17.8%
2019
82.6%
Age (yrs) 7Tests 2,191Avg Mileage 43,342Top Failure Tyres — 19.0%
2020
81.1%
Age (yrs) 8Tests 2,216Avg Mileage 48,714Top Failure Tyres — 21.6%
2021
79.7%
Age (yrs) 9Tests 5,672Avg Mileage 51,737Top Failure Tyres — 21.0%
2022
77.4%
Age (yrs) 10Tests 4,639Avg Mileage 55,334Top Failure Tyres — 22.6%
2023
77.0%
Age (yrs) 11Tests 5,579Avg Mileage 59,682Top Failure Tyres — 25.9%
2024
78.8%
Age (yrs) 12Tests 9,090Avg Mileage 64,884Top Failure Suspension — 19.0%

Common MOT Failures

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

Tyres
20.0%
— Consistent
Brakes
15.0%
↑ Increases with age
Suspension
11.6%
↑ Increases with age
Lamps, reflectors and electrical equipment
5.2%
— 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
Suspension2.1% (5 yrs)19.0% (12 yrs)
+16.9%
🔴 ↑
Brakes4.5% (5 yrs)18.9% (12 yrs)
+14.4%
🔴 ↑
Tyres16.2% (5 yrs)16.1% (12 yrs)
-0.1%
⚪ —

Other Manufacture Years

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

About This Data

This page shows how Mercedes-Benz Slk cars manufactured in 2012 perform at MOT as they age. Data spans from 2017 to 2024, covering 34,250 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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