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2008 Mercedes-Benz Slk — MOT History by Age

How cars manufactured in 2008 perform at MOT as they age

18 years
Current Age
72.8%
Latest Pass Rate
17,156
Total Tests (All Years)
74,440 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 16

This car: 72.8%
Average: 52.7%

✅ 20.1% above average (10212 models compared)

How This Car Ages

Pass rate progression for the 2008 Mercedes-Benz Slk as it ages.

9 yrs77.2%
10 yrs72.0%
11 yrs73.3%
12 yrs74.2%
13 yrs69.8%
14 yrs69.9%
15 yrs68.7%
16 yrs72.8%

Bar chart showing pass rate by car age from 9 to 16 years

Fail Rate %
📊 View as table
AgePass RateTests
9 yrs77.2%923
10 yrs72.0%643
11 yrs73.3%709
12 yrs74.2%693
13 yrs69.8%3,283
14 yrs69.9%2,682
15 yrs68.7%3,260
16 yrs72.8%4,963

Pass Rate Trend

How the 2008 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 (16 yrs)72.8%4,963
2023 (15 yrs)68.7%3,260
2022 (14 yrs)69.9%2,682
2021 (13 yrs)69.8%3,283
2020 (12 yrs)74.2%693
2019 (11 yrs)73.3%709
2018 (10 yrs)72%643
2017 (9 yrs)77.2%923

Year-by-Year MOT Results

2017
77.2%
Age (yrs) 9Tests 923Avg Mileage 52,215Top Failure Suspension — 18.5%
2018
72.0%
Age (yrs) 10Tests 643Avg Mileage 56,668Top Failure Suspension — 24.6%
2019
73.3%
Age (yrs) 11Tests 709Avg Mileage 61,153Top Failure Suspension — 28.8%
2020
74.2%
Age (yrs) 12Tests 693Avg Mileage 63,525Top Failure Brakes — 25.7%
2021
69.8%
Age (yrs) 13Tests 3,283Avg Mileage 66,685Top Failure Brakes — 30.8%
2022
69.9%
Age (yrs) 14Tests 2,682Avg Mileage 69,179Top Failure Suspension — 33.6%
2023
68.7%
Age (yrs) 15Tests 3,260Avg Mileage 72,074Top Failure Suspension — 39.2%
2024
72.8%
Age (yrs) 16Tests 4,963Avg Mileage 74,440Top Failure Suspension — 27.8%

Common MOT Failures

Top failure categories across all test years for 2008 Mercedes-Benz Slk, with age trends.

Suspension
28.2%
↑ Increases with age
Brakes
26.9%
↑ Increases with age
Tyres
20.5%
— Consistent
Lamps, reflectors and electrical equipment
11.0%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
6.3%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes15.9% (9 yrs)26.7% (16 yrs)
+10.8%
🔴 ↑
Suspension18.5% (9 yrs)27.8% (16 yrs)
+9.3%
🔴 ↑
Tyres16.3% (9 yrs)17.6% (16 yrs)
+1.3%
⚪ —

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 2008 perform at MOT as they age. Data spans from 2017 to 2024, covering 17,156 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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