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2018 Mercedes-Benz GLC — MOT History by Age

How cars manufactured in 2018 perform at MOT as they age

8 years
Current Age
87.9%
Latest Pass Rate
87,386
Total Tests (All Years)
51,037 mi
Avg Mileage (Latest)

Data from official DVSA MOT testing records

Compared to Average at Age 6

This car: 87.9%
Average: 73.4%

✅ 14.5% above average (18367 models compared)

How This Car Ages

Pass rate progression for the 2018 Mercedes-Benz GLC as it ages.

2 yrs92.1%
3 yrs90.4%
4 yrs90.5%
5 yrs88.0%
6 yrs87.9%

Bar chart showing pass rate by car age from 2 to 6 years

Fail Rate %
📊 View as table
AgePass RateTests
2 yrs92.1%442
3 yrs90.4%20,819
4 yrs90.5%16,399
5 yrs88.0%19,402
6 yrs87.9%30,324

Pass Rate Trend

How the 2018 Mercedes-Benz GLC pass rate changes as it ages, from first MOT to most recent.

Trend shows declining over 5 years

Pass Rate %
📊 View as table
BuiltPass RateTests
2024 (6 yrs)87.9%30,324
2023 (5 yrs)88%19,402
2022 (4 yrs)90.5%16,399
2021 (3 yrs)90.4%20,819
2020 (2 yrs)92.1%442

Year-by-Year MOT Results

2020
92.1%
Age (yrs) 2Tests 442Avg Mileage 24,312Top Failure Tyres — 8.1%
2021
90.4%
Age (yrs) 3Tests 20,819Avg Mileage 25,887Top Failure Tyres — 12.5%
2022
90.5%
Age (yrs) 4Tests 16,399Avg Mileage 34,021Top Failure Tyres — 11.6%
2023
88.0%
Age (yrs) 5Tests 19,402Avg Mileage 42,504Top Failure Tyres — 14.6%
2024
87.9%
Age (yrs) 6Tests 30,324Avg Mileage 51,037Top Failure Tyres — 10.7%

Common MOT Failures

Top failure categories across all test years for 2018 Mercedes-Benz GLC, with age trends.

Tyres
11.5%
— Consistent
Brakes
4.5%
↑ Increases with age
Suspension
3.1%
— Consistent
Visibility
1.8%
— Consistent
Lamps, reflectors and electrical equipment
1.6%
— Consistent

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes2.0% (2 yrs)5.3% (6 yrs)
+3.3%
🔴 ↑
Suspension1.6% (2 yrs)4.5% (6 yrs)
+2.9%
🔴 ↑
Tyres8.1% (2 yrs)10.7% (6 yrs)
+2.6%
🔴 ↑
Lamps, reflectors and electrical equipment2.3% (2 yrs)1.4% (6 yrs)
-0.9%
⚪ —

Other Manufacture Years

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

About This Data

This page shows how Mercedes-Benz GLC cars manufactured in 2018 perform at MOT as they age. Data spans from 2020 to 2024, covering 87,386 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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