1989 Mercedes 300 G Wagon — MOT History by Age
How cars manufactured in 1989 perform at MOT as they age
37 years
Current Age
53.3%
Latest Pass Rate
30
Total Tests (All Years)
44,132 mi
Avg Mileage (Latest)
Data from official DVSA MOT testing records
Compared to Average at Age 20
This car: 53.3%
Average: 56.6%
⚠️ 3.3% below average (6824 models compared)
How This Car Ages
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Insufficient data for this analysis
Pass Rate Trend
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Insufficient data for this analysis
Year-by-Year MOT Results
2009High Fail Rate
53.3%
Age (yrs) 20Tests 30Avg Mileage 44,132Top Failure Lamps, Reflectors and Electrical Equipment — 36.7%
Common MOT Failures
Top failure categories across all test years for 1989 Mercedes 300 G Wagon, with age trends.
Lamps, Reflectors and Electrical Equipment
36.7%
— Consistent
Brakes
33.3%
— Consistent
Suspension
30.0%
— Consistent
Body, Structure and General Items
13.3%
— Consistent
Driver's View of the Road
13.3%
— 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 | 36.7% (20 yrs) | 36.7% (20 yrs) | 0.0%
| ⚪ — |
| Brakes | 33.3% (20 yrs) | 33.3% (20 yrs) | 0.0%
| ⚪ — |
| Suspension | 30.0% (20 yrs) | 30.0% (20 yrs) | 0.0%
| ⚪ — |
| Body, Structure and General Items | 13.3% (20 yrs) | 13.3% (20 yrs) | 0.0%
| ⚪ — |
| Driver's View of the Road | 13.3% (20 yrs) | 13.3% (20 yrs) | 0.0%
| ⚪ — |
Other Manufacture Years
Looking for the best year to buy? See the full comparison on the Mercedes 300 G Wagon page →
About This Data
This page shows how Mercedes 300 G Wagon cars manufactured in 1989 perform at MOT as they age. Data spans from 2009 to 2009, covering 30 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.