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1997 Mercedes-Benz S-class — MOT History by Age

How cars manufactured in 1997 perform at MOT as they age

29 years
Current Age
81.2%
Latest Pass Rate
635
Total Tests (All Years)
110,727 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 S-class as it ages.

24 yrs67.5%
25 yrs68.0%
26 yrs75.9%
27 yrs81.2%

Bar chart showing pass rate by car age from 24 to 27 years

Fail Rate %
📊 View as table
AgePass RateTests
24 yrs67.5%163
25 yrs68.0%122
26 yrs75.9%137
27 yrs81.2%213

Pass Rate Trend

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

Trend shows improving over 4 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (27 yrs)81.2%213
2023 (26 yrs)75.9%137
2022 (25 yrs)68%122
2021 (24 yrs)67.5%163

Year-by-Year MOT Results

2021
67.5%
Age (yrs) 24Tests 163Avg Mileage 112,988Top Failure Suspension — 55.2%
2022
68.0%
Age (yrs) 25Tests 122Avg Mileage 110,586Top Failure Suspension — 50.0%
2023
75.9%
Age (yrs) 26Tests 137Avg Mileage 111,482Top Failure Brakes — 41.6%
2024
81.2%
Age (yrs) 27Tests 213Avg Mileage 110,727Top Failure Lamps, reflectors and electrical equipment — 13.6%

Common MOT Failures

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

Suspension
38.0%
↓ Decreases with age
Brakes
31.7%
↓ Decreases with age
Lamps, reflectors and electrical equipment
26.7%
↓ Decreases with age
Tyres
20.0%
↓ Decreases with age
Noise, emissions and leaks
19.5%
↓ Decreases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Suspension55.2% (24 yrs)8.9% (27 yrs)
-46.3%
🟢 ↓
Brakes39.3% (24 yrs)12.2% (27 yrs)
-27.1%
🟢 ↓
Lamps, reflectors and electrical equipment33.1% (24 yrs)13.6% (27 yrs)
-19.5%
🟢 ↓
Noise, emissions and leaks25.8% (24 yrs)10.8% (27 yrs)
-15.0%
🟢 ↓
Tyres23.3% (24 yrs)11.3% (27 yrs)
-12.0%
🟢 ↓

Other Manufacture Years

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

About This Data

This page shows how Mercedes-Benz S-class cars manufactured in 1997 perform at MOT as they age. Data spans from 2021 to 2024, covering 635 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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