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1997 Mercedes-Benz Sl — MOT History by Age

How cars manufactured in 1997 perform at MOT as they age

29 years
Current Age
80.4%
Latest Pass Rate
4,994
Total Tests (All Years)
91,579 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 Sl as it ages.

20 yrs78.2%
21 yrs79.0%
22 yrs78.8%
23 yrs79.9%
24 yrs78.6%
25 yrs77.6%
26 yrs81.3%
27 yrs80.4%

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

Fail Rate %
📊 View as table
AgePass RateTests
20 yrs78.2%518
21 yrs79.0%366
22 yrs78.8%368
23 yrs79.9%303
24 yrs78.6%705
25 yrs77.6%594
26 yrs81.3%702
27 yrs80.4%1,438

Pass Rate Trend

How the 1997 Mercedes-Benz Sl 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 (27 yrs)80.4%1,438
2023 (26 yrs)81.3%702
2022 (25 yrs)77.6%594
2021 (24 yrs)78.6%705
2020 (23 yrs)79.9%303
2019 (22 yrs)78.8%368
2018 (21 yrs)79%366
2017 (20 yrs)78.2%518

Year-by-Year MOT Results

2017
78.2%
Age (yrs) 20Tests 518Avg Mileage 87,647Top Failure Brakes — 25.1%
2018
79.0%
Age (yrs) 21Tests 366Avg Mileage 90,108Top Failure Brakes — 25.1%
2019
78.8%
Age (yrs) 22Tests 368Avg Mileage 88,862Top Failure Brakes — 34.0%
2020
79.9%
Age (yrs) 23Tests 303Avg Mileage 89,814Top Failure Brakes — 23.4%
2021
78.6%
Age (yrs) 24Tests 705Avg Mileage 93,393Top Failure Brakes — 29.5%
2022
77.6%
Age (yrs) 25Tests 594Avg Mileage 94,209Top Failure Brakes — 27.9%
2023
81.3%
Age (yrs) 26Tests 702Avg Mileage 93,159Top Failure Suspension — 23.8%
2024
80.4%
Age (yrs) 27Tests 1,438Avg Mileage 91,579Top Failure Brakes — 16.0%

Common MOT Failures

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

Brakes
25.1%
↓ Decreases with age
Suspension
18.9%
↓ Decreases with age
Lamps, reflectors and electrical equipment
18.6%
— Consistent
Lamps, Reflectors and Electrical Equipment
11.7%
↓ Decreases with age
Tyres
10.6%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes25.1% (20 yrs)16.0% (27 yrs)
-9.1%
🟢 ↓
Tyres5.4% (20 yrs)9.2% (27 yrs)
+3.8%
🔴 ↑
Suspension18.3% (20 yrs)15.0% (27 yrs)
-3.3%
🟢 ↓

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes-Benz Sl page →

About This Data

This page shows how Mercedes-Benz Sl cars manufactured in 1997 perform at MOT as they age. Data spans from 2017 to 2024, covering 4,994 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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