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1996 Mercedes Slk 230k — MOT History by Age

How cars manufactured in 1996 perform at MOT as they age

30 years
Current Age
62.3%
Latest Pass Rate
1,323
Total Tests (All Years)
106,470 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Insufficient data for same-age comparison.

How This Car Ages

Pass rate progression for the 1996 Mercedes Slk 230k as it ages.

13 yrs66.7%
14 yrs66.9%
15 yrs65.0%
16 yrs68.7%
17 yrs60.3%
18 yrs61.7%
19 yrs63.6%
20 yrs60.0%
21 yrs69.1%
22 yrs71.9%
23 yrs70.5%
24 yrs62.3%

Bar chart showing pass rate by car age from 13 to 24 years

Fail Rate %
📊 View as table
AgePass RateTests
13 yrs66.7%150
14 yrs66.9%142
15 yrs65.0%140
16 yrs68.7%134
17 yrs60.3%126
18 yrs61.7%128
19 yrs63.6%118
20 yrs60.0%110
21 yrs69.1%97
22 yrs71.9%64
23 yrs70.5%61
24 yrs62.3%53

Pass Rate Trend

How the 1996 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 (24 yrs)62.3%53
2019 (23 yrs)70.5%61
2018 (22 yrs)71.9%64
2017 (21 yrs)69.1%97
2016 (20 yrs)60%110
2015 (19 yrs)63.6%118
2014 (18 yrs)61.7%128
2013 (17 yrs)60.3%126
2012 (16 yrs)68.7%134
2011 (15 yrs)65%140
2010 (14 yrs)66.9%142
2009 (13 yrs)66.7%150

Year-by-Year MOT Results

2009
66.7%
Age (yrs) 13Tests 150Avg Mileage 81,287Top Failure Lamps, Reflectors and Electrical Equipment — 20.0%
2010
66.9%
Age (yrs) 14Tests 142Avg Mileage 83,001Top Failure Lamps, Reflectors and Electrical Equipment — 22.5%
2011
65.0%
Age (yrs) 15Tests 140Avg Mileage 86,936Top Failure Lamps, Reflectors and Electrical Equipment — 22.1%
2012
68.7%
Age (yrs) 16Tests 134Avg Mileage 92,965Top Failure Lamps, Reflectors and Electrical Equipment — 20.1%
2013High Fail Rate
60.3%
Age (yrs) 17Tests 126Avg Mileage 95,259Top Failure Lamps, Reflectors and Electrical Equipment — 61.9%
2014High Fail Rate
61.7%
Age (yrs) 18Tests 128Avg Mileage 98,819Top Failure Lamps, Reflectors and Electrical Equipment — 55.5%
2015High Fail Rate
63.6%
Age (yrs) 19Tests 118Avg Mileage 100,034Top Failure Lamps, Reflectors and Electrical Equipment — 55.9%
2016High Fail Rate
60.0%
Age (yrs) 20Tests 110Avg Mileage 101,789Top Failure Lamps, Reflectors and Electrical Equipment — 72.7%
2017
69.1%
Age (yrs) 21Tests 97Avg Mileage 102,155Top Failure Lamps, Reflectors and Electrical Equipment — 42.3%
2018
71.9%
Age (yrs) 22Tests 64Avg Mileage 107,367Top Failure Lamps, reflectors and electrical equipment — 23.4%
2019
70.5%
Age (yrs) 23Tests 61Avg Mileage 104,099Top Failure Lamps, reflectors and electrical equipment — 42.6%
2020High Fail Rate
62.3%
Age (yrs) 24Tests 53Avg Mileage 106,470Top Failure Brakes — 52.8%

Common MOT Failures

Top failure categories across all test years for 1996 Mercedes Slk 230k, with age trends.

Lamps, Reflectors and Electrical Equipment
38.9%
↓ Decreases with age
Lamps, reflectors and electrical equipment
36.5%
↑ Increases with age
Brakes
27.4%
↑ Increases with age
Suspension
19.4%
↑ Increases with age
Tyres
17.7%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes13.3% (13 yrs)52.8% (24 yrs)
+39.5%
🔴 ↑
Suspension10.7% (13 yrs)22.6% (24 yrs)
+11.9%
🔴 ↑
Tyres10.7% (13 yrs)13.2% (24 yrs)
+2.5%
🔴 ↑

Other Manufacture Years

1996 1997 1998 1999 2000 2001 2002 2003 2004
← Back to Mercedes Slk 230k overview

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 1996 perform at MOT as they age. Data spans from 2009 to 2020, covering 1,323 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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