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2017 Mercedes-Benz S Class — MOT History by Age

How cars manufactured in 2017 perform at MOT as they age

9 years
Current Age
91.2%
Latest Pass Rate
12,159
Total Tests (All Years)
75,188 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 7

This car: 91.2%
Average: 69.5%

✅ 21.7% above average (17409 models compared)

How This Car Ages

Pass rate progression for the 2017 Mercedes-Benz S Class as it ages.

4 yrs89.9%
5 yrs89.2%
6 yrs87.6%
7 yrs91.2%

Bar chart showing pass rate by car age from 4 to 7 years

Fail Rate %
📊 View as table
AgePass RateTests
4 yrs89.9%2,689
5 yrs89.2%2,244
6 yrs87.6%2,539
7 yrs91.2%4,687

Pass Rate Trend

How the 2017 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 (7 yrs)91.2%4,687
2023 (6 yrs)87.6%2,539
2022 (5 yrs)89.2%2,244
2021 (4 yrs)89.9%2,689

Year-by-Year MOT Results

2021
89.9%
Age (yrs) 4Tests 2,689Avg Mileage 43,518Top Failure Tyres — 10.7%
2022
89.2%
Age (yrs) 5Tests 2,244Avg Mileage 54,291Top Failure Tyres — 12.6%
2023
87.6%
Age (yrs) 6Tests 2,539Avg Mileage 65,799Top Failure Tyres — 15.3%
2024
91.2%
Age (yrs) 7Tests 4,687Avg Mileage 75,188Top Failure Tyres — 9.0%

Common MOT Failures

Top failure categories across all test years for 2017 Mercedes-Benz S Class, with age trends.

Tyres
11.9%
— Consistent
Brakes
5.1%
— Consistent
Suspension
4.2%
— Consistent
Visibility
1.8%
— Consistent
Road Wheels
1.7%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Tyres10.7% (4 yrs)9.0% (7 yrs)
-1.7%
⚪ —
Lamps, reflectors and electrical equipment2.0% (4 yrs)0.9% (7 yrs)
-1.1%
⚪ —
Brakes4.9% (4 yrs)3.9% (7 yrs)
-1.0%
⚪ —
Suspension3.2% (4 yrs)3.7% (7 yrs)
+0.5%
⚪ —
Visibility1.7% (4 yrs)1.4% (7 yrs)
-0.3%
⚪ —

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 2017 perform at MOT as they age. Data spans from 2021 to 2024, covering 12,159 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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