2017 Mercedes-Benz Gls — MOT History by Age
How cars manufactured in 2017 perform at MOT as they age
Data from official DVSA MOT testing records
Compared to Average at Age 7
✅ 21.1% above average (17409 models compared)
How This Car Ages
Pass rate progression for the 2017 Mercedes-Benz Gls as it ages.
Bar chart showing pass rate by car age from 3 to 7 years
📊 View as table
| Age | Pass Rate | Tests |
|---|---|---|
| 3 yrs | 92.0% | 749 |
| 4 yrs | 86.8% | 728 |
| 5 yrs | 87.0% | 532 |
| 6 yrs | 88.0% | 657 |
| 7 yrs | 90.6% | 710 |
Pass Rate Trend
How the 2017 Mercedes-Benz Gls pass rate changes as it ages, from first MOT to most recent.
Trend shows improving over 5 years
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| Built | Pass Rate | Tests |
|---|---|---|
| 2024 (7 yrs) | 90.6% | 710 |
| 2023 (6 yrs) | 88% | 657 |
| 2022 (5 yrs) | 87% | 532 |
| 2021 (4 yrs) | 86.8% | 728 |
| 2020 (3 yrs) | 92% | 749 |
Year-by-Year MOT Results
Common MOT Failures
Top failure categories across all test years for 2017 Mercedes-Benz Gls, with age trends.
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Tyres | 13.6% (3 yrs) | 10.7% (7 yrs) | -2.9%
| 🟢 ↓ |
| Brakes | 3.3% (3 yrs) | 4.6% (7 yrs) | +1.3%
| ⚪ — |
| Identification of the vehicle | 1.6% (3 yrs) | 1.3% (7 yrs) | -0.3%
| ⚪ — |
| Non-component advisories | 1.3% (3 yrs) | 1.5% (7 yrs) | +0.2%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Mercedes-Benz Gls page →
About This Data
This page shows how Mercedes-Benz Gls cars manufactured in 2017 perform at MOT as they age. Data spans from 2020 to 2024, covering 3,376 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.