Skip to main content
Pass Your MOT

1999 Mercedes-Benz 312 — MOT History by Age

How cars manufactured in 1999 perform at MOT as they age

27 years
Current Age
66.7%
Latest Pass Rate
548
Total Tests (All Years)
176,366 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 1999 Mercedes-Benz 312 as it ages.

18 yrs53.2%
19 yrs60.0%
20 yrs56.7%
21 yrs55.4%
22 yrs56.1%
23 yrs57.5%
24 yrs52.1%
25 yrs66.7%

Bar chart showing pass rate by car age from 18 to 25 years

Fail Rate %
📊 View as table
AgePass RateTests
18 yrs53.2%111
19 yrs60.0%80
20 yrs56.7%60
21 yrs55.4%56
22 yrs56.1%66
23 yrs57.5%40
24 yrs52.1%48
25 yrs66.7%87

Pass Rate Trend

How the 1999 Mercedes-Benz 312 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 (25 yrs)66.7%87
2023 (24 yrs)52.1%48
2022 (23 yrs)57.5%40
2021 (22 yrs)56.1%66
2020 (21 yrs)55.4%56
2019 (20 yrs)56.7%60
2018 (19 yrs)60%80
2017 (18 yrs)53.2%111

Year-by-Year MOT Results

2017High Fail Rate
53.2%
Age (yrs) 18Tests 111Avg Mileage 208,752Top Failure Brakes — 126.1%
2018High Fail Rate
60.0%
Age (yrs) 19Tests 80Avg Mileage 196,265Top Failure Brakes — 142.5%
2019High Fail Rate
56.7%
Age (yrs) 20Tests 60Avg Mileage 185,979Top Failure Brakes — 86.7%
2020High Fail Rate
55.4%
Age (yrs) 21Tests 56Avg Mileage 187,926Top Failure Brakes — 128.6%
2021High Fail Rate
56.1%
Age (yrs) 22Tests 66Avg Mileage 200,175Top Failure Brakes — 92.4%
2022High Fail Rate
57.5%
Age (yrs) 23Tests 40Avg Mileage 195,332Top Failure Brakes — 130.0%
2023High Fail Rate
52.1%
Age (yrs) 24Tests 48Avg Mileage 185,661Top Failure Brakes — 135.4%
2024
66.7%
Age (yrs) 25Tests 87Avg Mileage 176,366Top Failure Brakes — 44.8%

Common MOT Failures

Top failure categories across all test years for 1999 Mercedes-Benz 312, with age trends.

Brakes
110.8%
↓ Decreases with age
Lamps, Reflectors and Electrical Equipment
66.9%
↓ Decreases with age
Suspension
65.4%
↓ Decreases with age
Lamps, reflectors and electrical equipment
62.3%
↑ Increases with age
Body, chassis, structure
34.7%
↑ Increases with age

How Failures Change With Age

Comparing failure rates between the youngest and oldest test years.

CategoryAt YoungestAt OldestChangeTrend
Brakes126.1% (18 yrs)44.8% (25 yrs)
-81.3%
🟢 ↓
Suspension65.8% (18 yrs)41.4% (25 yrs)
-24.4%
🟢 ↓

Other Manufacture Years

Looking for the best year to buy? See the full comparison on the Mercedes-Benz 312 page →

About This Data

This page shows how Mercedes-Benz 312 cars manufactured in 1999 perform at MOT as they age. Data spans from 2017 to 2024, covering 548 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.

Share via WhatsApp Share on Facebook Report Issue