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1997 Mercedes-Benz Slk — MOT History by Age

How cars manufactured in 1997 perform at MOT as they age

29 years
Current Age
71.3%
Latest Pass Rate
3,638
Total Tests (All Years)
89,599 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 1997 Mercedes-Benz Slk as it ages.

20 yrs63.3%
24 yrs66.9%
25 yrs69.3%
26 yrs68.0%
27 yrs71.3%

Bar chart showing pass rate by car age from 20 to 27 years

Fail Rate %
📊 View as table
AgePass RateTests
20 yrs63.3%30
24 yrs66.9%950
25 yrs69.3%747
26 yrs68.0%794
27 yrs71.3%1,117

Pass Rate Trend

How the 1997 Mercedes-Benz Slk pass rate changes as it ages, from first MOT to most recent.

Trend shows improving over 5 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (27 yrs)71.3%1,117
2023 (26 yrs)68%794
2022 (25 yrs)69.3%747
2021 (24 yrs)66.9%950
2017 (20 yrs)63.3%30

Year-by-Year MOT Results

2017High Fail Rate
63.3%
Age (yrs) 20Tests 30Avg Mileage 96,040Top Failure Lamps, Reflectors and Electrical Equipment — 76.7%
2021
66.9%
Age (yrs) 24Tests 950Avg Mileage 92,293Top Failure Lamps, reflectors and electrical equipment — 49.4%
2022
69.3%
Age (yrs) 25Tests 747Avg Mileage 92,170Top Failure Lamps, reflectors and electrical equipment — 55.0%
2023
68.0%
Age (yrs) 26Tests 794Avg Mileage 89,178Top Failure Lamps, reflectors and electrical equipment — 57.4%
2024
71.3%
Age (yrs) 27Tests 1,117Avg Mileage 89,599Top Failure Lamps, reflectors and electrical equipment — 40.2%

Common MOT Failures

Top failure categories across all test years for 1997 Mercedes-Benz Slk, with age trends.

Lamps, Reflectors and Electrical Equipment
76.7%
— Consistent
Lamps, reflectors and electrical equipment
50.5%
↓ Decreases with age
Brakes
29.6%
— Consistent
Suspension
29.0%
↑ Increases with age
Tyres
24.6%
↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres36.7% (20 yrs)14.1% (27 yrs)
-22.6%
🟢 ↓
Suspension10.0% (20 yrs)28.1% (27 yrs)
+18.1%
🔴 ↑
Brakes23.3% (20 yrs)21.7% (27 yrs)
-1.6%
⚪ —

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 1997 perform at MOT as they age. Data spans from 2017 to 2024, covering 3,638 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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