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2011 Mercedes-Benz Slk — MOT History by Age

How cars manufactured in 2011 perform at MOT as they age

15 years
Current Age
80.5%
Latest Pass Rate
12,120
Total Tests (All Years)
61,348 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 13

This car: 80.5%
Average: 53.1%

✅ 27.4% above average (13033 models compared)

How This Car Ages

Pass rate progression for the 2011 Mercedes-Benz Slk as it ages.

6 yrs85.7%
7 yrs84.7%
8 yrs83.9%
9 yrs83.3%
10 yrs78.0%
11 yrs78.7%
12 yrs77.4%
13 yrs80.5%

Bar chart showing pass rate by car age from 6 to 13 years

Fail Rate %
📊 View as table
AgePass RateTests
6 yrs85.7%489
7 yrs84.7%333
8 yrs83.9%367
9 yrs83.3%384
10 yrs78.0%2,582
11 yrs78.7%2,037
12 yrs77.4%2,550
13 yrs80.5%3,378

Pass Rate Trend

How the 2011 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 (13 yrs)80.5%3,378
2023 (12 yrs)77.4%2,550
2022 (11 yrs)78.7%2,037
2021 (10 yrs)78%2,582
2020 (9 yrs)83.3%384
2019 (8 yrs)83.9%367
2018 (7 yrs)84.7%333
2017 (6 yrs)85.7%489

Year-by-Year MOT Results

2017
85.7%
Age (yrs) 6Tests 489Avg Mileage 33,326Top Failure Tyres — 12.7%
2018
84.7%
Age (yrs) 7Tests 333Avg Mileage 36,998Top Failure Tyres — 15.9%
2019
83.9%
Age (yrs) 8Tests 367Avg Mileage 41,328Top Failure Tyres — 14.7%
2020
83.3%
Age (yrs) 9Tests 384Avg Mileage 45,701Top Failure Tyres — 13.3%
2021
78.0%
Age (yrs) 10Tests 2,582Avg Mileage 50,113Top Failure Brakes — 20.2%
2022
78.7%
Age (yrs) 11Tests 2,037Avg Mileage 53,487Top Failure Tyres — 19.4%
2023
77.4%
Age (yrs) 12Tests 2,550Avg Mileage 56,849Top Failure Brakes — 23.7%
2024
80.5%
Age (yrs) 13Tests 3,378Avg Mileage 61,348Top Failure Brakes — 18.0%

Common MOT Failures

Top failure categories across all test years for 2011 Mercedes-Benz Slk, with age trends.

Tyres
16.4%
— Consistent
Brakes
14.6%
↑ Increases with age
Suspension
12.7%
↑ Increases with age
Lamps, reflectors and electrical equipment
6.6%
— Consistent
Lamps, Reflectors and Electrical Equipment
4.2%
↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension4.5% (6 yrs)17.0% (13 yrs)
+12.5%
🔴 ↑
Brakes5.9% (6 yrs)18.0% (13 yrs)
+12.1%
🔴 ↑
Tyres12.7% (6 yrs)13.5% (13 yrs)
+0.8%
⚪ —

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 2011 perform at MOT as they age. Data spans from 2017 to 2024, covering 12,120 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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