1984 Mercedes-Benz 300 — MOT History by Age
How cars manufactured in 1984 perform at MOT as they age
42 years
Current Age
71.7%
Latest Pass Rate
46
Total Tests (All Years)
132,726 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Insufficient data for same-age comparison.
How This Car Ages
📉
Insufficient data for this analysis
Pass Rate Trend
📊
Insufficient data for this analysis
Year-by-Year MOT Results
2024
71.7%
Age (yrs) 40Tests 46Avg Mileage 132,726Top Failure Lamps, reflectors and electrical equipment — 26.1%
Common MOT Failures
Top failure categories across all test years for 1984 Mercedes-Benz 300, with age trends.
Lamps, reflectors and electrical equipment
26.1%
— Consistent
Brakes
26.1%
— Consistent
Suspension
21.7%
— Consistent
Body, chassis, structure
17.4%
— Consistent
Steering
13.0%
— Consistent
How Failures Change With Age
Comparing failure rates between the youngest and oldest test years.
| Category | At Youngest | At Oldest | Change | Trend |
|---|---|---|---|---|
| Lamps, reflectors and electrical equipment | 26.1% (40 yrs) | 26.1% (40 yrs) | 0.0%
| ⚪ — |
| Brakes | 26.1% (40 yrs) | 26.1% (40 yrs) | 0.0%
| ⚪ — |
| Suspension | 21.7% (40 yrs) | 21.7% (40 yrs) | 0.0%
| ⚪ — |
| Body, chassis, structure | 17.4% (40 yrs) | 17.4% (40 yrs) | 0.0%
| ⚪ — |
| Steering | 13.0% (40 yrs) | 13.0% (40 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Mercedes-Benz 300 page →
About This Data
This page shows how Mercedes-Benz 300 cars manufactured in 1984 perform at MOT as they age. Data spans from 2024 to 2024, covering 46 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.