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2005 Mercedes-Benz Slk — MOT History by Age

How cars manufactured in 2005 perform at MOT as they age

21 years
Current Age
69.3%
Latest Pass Rate
28,214
Total Tests (All Years)
82,112 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 19

This car: 69.3%
Average: 55.4%

✅ 13.9% above average (7550 models compared)

How This Car Ages

Pass rate progression for the 2005 Mercedes-Benz Slk as it ages.

12 yrs74.8%
13 yrs72.5%
14 yrs71.4%
15 yrs69.8%
16 yrs67.1%
17 yrs68.9%
18 yrs66.8%
19 yrs69.3%

Bar chart showing pass rate by car age from 12 to 19 years

Fail Rate %
📊 View as table
AgePass RateTests
12 yrs74.8%2,107
13 yrs72.5%1,483
14 yrs71.4%1,506
15 yrs69.8%1,480
16 yrs67.1%5,255
17 yrs68.9%4,281
18 yrs66.8%5,007
19 yrs69.3%7,095

Pass Rate Trend

How the 2005 Mercedes-Benz Slk pass rate changes as it ages, from first MOT to most recent.

Trend shows stable over 8 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (19 yrs)69.3%7,095
2023 (18 yrs)66.8%5,007
2022 (17 yrs)68.9%4,281
2021 (16 yrs)67.1%5,255
2020 (15 yrs)69.8%1,480
2019 (14 yrs)71.4%1,506
2018 (13 yrs)72.5%1,483
2017 (12 yrs)74.8%2,107

Year-by-Year MOT Results

2017
74.8%
Age (yrs) 12Tests 2,107Avg Mileage 65,455Top Failure Suspension — 21.3%
2018
72.5%
Age (yrs) 13Tests 1,483Avg Mileage 69,852Top Failure Suspension — 27.6%
2019
71.4%
Age (yrs) 14Tests 1,506Avg Mileage 71,844Top Failure Brakes — 30.3%
2020
69.8%
Age (yrs) 15Tests 1,480Avg Mileage 74,444Top Failure Suspension — 32.6%
2021
67.1%
Age (yrs) 16Tests 5,255Avg Mileage 76,270Top Failure Suspension — 39.9%
2022
68.9%
Age (yrs) 17Tests 4,281Avg Mileage 77,906Top Failure Suspension — 39.8%
2023
66.8%
Age (yrs) 18Tests 5,007Avg Mileage 80,293Top Failure Suspension — 45.3%
2024
69.3%
Age (yrs) 19Tests 7,095Avg Mileage 82,112Top Failure Suspension — 34.9%

Common MOT Failures

Top failure categories across all test years for 2005 Mercedes-Benz Slk, with age trends.

Suspension
33.3%
↑ Increases with age
Brakes
30.1%
↑ Increases with age
Tyres
20.6%
— Consistent
Lamps, reflectors and electrical equipment
19.4%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
11.5%
↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension21.3% (12 yrs)34.9% (19 yrs)
+13.6%
🔴 ↑
Brakes17.6% (12 yrs)27.2% (19 yrs)
+9.6%
🔴 ↑
Tyres14.9% (12 yrs)17.5% (19 yrs)
+2.6%
🔴 ↑

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 2005 perform at MOT as they age. Data spans from 2017 to 2024, covering 28,214 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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