DVSA Statistics
1989 Mercedes Unclassified
MOT Pass Rate & Pre-MOT Checklist
Used 1989 Mercedes Unclassifieds usually pass their MOT, but around 1 in 4 still fail, most often for vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, a wheel bearing with excessive play and the aim of a headlamp is not within limits laid down in the requirements. Based on 56 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 56 DVSA anonymised MOT tests · About this data
Pass Rate
73.2%
About average
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Headlight bulbs are a common MOT fail. Easy DIY replacement.
Based on DVSA statistics from 56 recorded tests.
Pre-MOT Checklist for 1989 Mercedes Unclassified
Based on common failure points for this model, check these items before your MOT:
- 1
Test all headlights work and aim is correct - check for condensation inside
Lighting – Common fail on this model
- 2
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
- 3
Check for excessive play in steering wheel - should be minimal free movement
Steering – Common fail on this model
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Frequently Asked Questions
Is a 1989 Mercedes Unclassified likely to fail its MOT?
Based on DVSA statistics, the 1989 Mercedes Unclassified has a 73.2% MOT pass rate. This is about average for vehicles of this age.
What are the most common MOT failures on a 1989 Mercedes Unclassified?
The most common MOT failure reasons for a 1989 Mercedes Unclassified are: vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, a wheel bearing with excessive play, the aim of a headlamp is not within limits laid down in the requirements. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1989 Mercedes Unclassified fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, a wheel bearing with excessive play, the aim of a headlamp is not within limits laid down in the requirements. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1989 Mercedes Unclassifieds fail their MOT?
Around 27% of 1989 Mercedes Unclassifieds fail their MOT test, meaning roughly 1 in 4 don't pass first time. The most common reasons are vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced and a wheel bearing with excessive play. Pre-checking these items can significantly improve your chances.
What should I check before my 1989 Mercedes Unclassified MOT?
Before your 1989 Mercedes Unclassified MOT, check these commonly-failed items: vehicle structure corroded to the extent that the rigidity of the assembly is seriously reduced, a wheel bearing with excessive play, the aim of a headlamp is not within limits laid down in the requirements. Most are visual checks you can do at home – look for worn tyres, test all lights work, and check for obvious damage or leaks.
Is the 1989 Mercedes Unclassified reliable for MOT?
With a 73.2% MOT pass rate, the 1989 Mercedes Unclassified performs about average compared to typical vehicles. This is typical performance for vehicles in this age bracket.