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2000 Mercedes Slk 230k — MOT History by Age

How cars manufactured in 2000 perform at MOT as they age

26 years
Current Age
66.0%
Latest Pass Rate
21,889
Total Tests (All Years)
89,364 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 20

This car: 66.0%
Average: 56.6%

✅ 9.4% above average (6824 models compared)

How This Car Ages

Pass rate progression for the 2000 Mercedes Slk 230k as it ages.

9 yrs71.9%
10 yrs71.9%
11 yrs71.8%
12 yrs71.1%
13 yrs68.8%
14 yrs66.2%
15 yrs68.5%
16 yrs68.0%
17 yrs68.8%
18 yrs68.5%
19 yrs69.5%
20 yrs66.0%

Bar chart showing pass rate by car age from 9 to 20 years

Fail Rate %
📊 View as table
AgePass RateTests
9 yrs71.9%2,312
10 yrs71.9%2,212
11 yrs71.8%2,239
12 yrs71.1%2,178
13 yrs68.8%2,178
14 yrs66.2%2,136
15 yrs68.5%2,066
16 yrs68.0%1,993
17 yrs68.8%1,568
18 yrs68.5%1,038
19 yrs69.5%1,054
20 yrs66.0%915

Pass Rate Trend

How the 2000 Mercedes Slk 230k pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 12 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2020 (20 yrs)66%915
2019 (19 yrs)69.5%1,054
2018 (18 yrs)68.5%1,038
2017 (17 yrs)68.8%1,568
2016 (16 yrs)68%1,993
2015 (15 yrs)68.5%2,066
2014 (14 yrs)66.2%2,136
2013 (13 yrs)68.8%2,178
2012 (12 yrs)71.1%2,178
2011 (11 yrs)71.8%2,239
2010 (10 yrs)71.9%2,212
2009 (9 yrs)71.9%2,312

Year-by-Year MOT Results

2009
71.9%
Age (yrs) 9Tests 2,312Avg Mileage 62,193Top Failure Lamps, Reflectors and Electrical Equipment — 14.6%
2010
71.9%
Age (yrs) 10Tests 2,212Avg Mileage 66,279Top Failure Lamps, Reflectors and Electrical Equipment — 16.0%
2011
71.8%
Age (yrs) 11Tests 2,239Avg Mileage 70,641Top Failure Lamps, Reflectors and Electrical Equipment — 15.3%
2012
71.1%
Age (yrs) 12Tests 2,178Avg Mileage 74,409Top Failure Lamps, Reflectors and Electrical Equipment — 16.8%
2013
68.8%
Age (yrs) 13Tests 2,178Avg Mileage 78,273Top Failure Lamps, Reflectors and Electrical Equipment — 34.0%
2014
66.2%
Age (yrs) 14Tests 2,136Avg Mileage 81,326Top Failure Lamps, Reflectors and Electrical Equipment — 37.9%
2015
68.5%
Age (yrs) 15Tests 2,066Avg Mileage 84,617Top Failure Lamps, Reflectors and Electrical Equipment — 32.5%
2016
68.0%
Age (yrs) 16Tests 1,993Avg Mileage 87,610Top Failure Lamps, Reflectors and Electrical Equipment — 32.7%
2017
68.8%
Age (yrs) 17Tests 1,568Avg Mileage 89,018Top Failure Lamps, Reflectors and Electrical Equipment — 31.7%
2018
68.5%
Age (yrs) 18Tests 1,038Avg Mileage 89,182Top Failure Brakes — 30.7%
2019
69.5%
Age (yrs) 19Tests 1,054Avg Mileage 90,472Top Failure Brakes — 34.1%
2020
66.0%
Age (yrs) 20Tests 915Avg Mileage 89,364Top Failure Brakes — 37.2%

Common MOT Failures

Top failure categories across all test years for 2000 Mercedes Slk 230k, with age trends.

Lamps, reflectors and electrical equipment
30.3%
↑ Increases with age
Lamps, Reflectors and Electrical Equipment
24.3%
↓ Decreases with age
Brakes
23.3%
↑ Increases with age
Suspension
17.1%
↑ Increases with age
Tyres
16.6%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes8.6% (9 yrs)37.2% (20 yrs)
+28.6%
🔴 ↑
Suspension7.6% (9 yrs)28.4% (20 yrs)
+20.8%
🔴 ↑
Tyres10.4% (9 yrs)25.8% (20 yrs)
+15.4%
🔴 ↑

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes Slk 230k page →

About This Data

This page shows how Mercedes Slk 230k cars manufactured in 2000 perform at MOT as they age. Data spans from 2009 to 2020, covering 21,889 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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