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2014 Mercedes-Benz Slk — MOT History by Age

How cars manufactured in 2014 perform at MOT as they age

12 years
Current Age
82.2%
Latest Pass Rate
39,205
Total Tests (All Years)
54,954 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 10

This car: 82.2%
Average: 58.8%

✅ 23.4% above average (15326 models compared)

How This Car Ages

Pass rate progression for the 2014 Mercedes-Benz Slk as it ages.

2 yrs94.8%
3 yrs89.0%
4 yrs87.5%
5 yrs85.8%
6 yrs85.8%
7 yrs84.9%
8 yrs83.4%
9 yrs80.4%
10 yrs82.2%

Bar chart showing pass rate by car age from 2 to 10 years

Fail Rate %
📊 View as table
AgePass RateTests
2 yrs94.8%77
3 yrs89.0%5,087
4 yrs87.5%3,646
5 yrs85.8%3,898
6 yrs85.8%3,889
7 yrs84.9%4,971
8 yrs83.4%3,965
9 yrs80.4%4,913
10 yrs82.2%8,759

Pass Rate Trend

How the 2014 Mercedes-Benz Slk pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 9 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (10 yrs)82.2%8,759
2023 (9 yrs)80.4%4,913
2022 (8 yrs)83.4%3,965
2021 (7 yrs)84.9%4,971
2020 (6 yrs)85.8%3,889
2019 (5 yrs)85.8%3,898
2018 (4 yrs)87.5%3,646
2017 (3 yrs)89%5,087
2016 (2 yrs)94.8%77

Year-by-Year MOT Results

2016
94.8%
Age (yrs) 2Tests 77Avg Mileage 20,067Top Failure Tyres — 9.1%
2017
89.0%
Age (yrs) 3Tests 5,087Avg Mileage 21,755Top Failure Tyres — 13.2%
2018
87.5%
Age (yrs) 4Tests 3,646Avg Mileage 26,843Top Failure Tyres — 16.6%
2019
85.8%
Age (yrs) 5Tests 3,898Avg Mileage 32,987Top Failure Tyres — 20.8%
2020
85.8%
Age (yrs) 6Tests 3,889Avg Mileage 37,957Top Failure Tyres — 20.6%
2021
84.9%
Age (yrs) 7Tests 4,971Avg Mileage 41,736Top Failure Tyres — 20.2%
2022
83.4%
Age (yrs) 8Tests 3,965Avg Mileage 45,867Top Failure Tyres — 20.8%
2023
80.4%
Age (yrs) 9Tests 4,913Avg Mileage 50,475Top Failure Tyres — 24.8%
2024
82.2%
Age (yrs) 10Tests 8,759Avg Mileage 54,954Top Failure Tyres — 16.1%

Common MOT Failures

Top failure categories across all test years for 2014 Mercedes-Benz Slk, with age trends.

Tyres
18.0%
↑ Increases with age
Suspension
7.5%
↑ Increases with age
Brakes
6.4%
↑ Increases with age
Lamps, reflectors and electrical equipment
3.5%
— Consistent
Lamps, Reflectors and Electrical Equipment
2.0%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes2.6% (2 yrs)10.3% (10 yrs)
+7.7%
🔴 ↑
Tyres9.1% (2 yrs)16.1% (10 yrs)
+7.0%
🔴 ↑

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 2014 perform at MOT as they age. Data spans from 2016 to 2024, covering 39,205 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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