DVSA Statistics
1984 Mercedes-Benz C
MOT Pass Rate & Pre-MOT Checklist
Used 1984 Mercedes-Benz Cs usually pass their MOT, but around 1 in 7 still fail, most often for fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, stop lamps all missing or inoperative and a headlamp or light source missing, inoperative or more than â½ not functioning in the case of led. Based on 51 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 51 DVSA anonymised MOT tests · About this data
Pass Rate
86.3%
Higher than average
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Brake light bulbs are easy to replace yourself.
Based on DVSA statistics from 51 recorded tests.
Pre-MOT Checklist for 1984 Mercedes-Benz C
Based on common failure points for this model, check these items before your MOT:
- 1
Check brake lights illuminate when pedal is pressed - have someone help you check
Lighting – Common fail on this model
- 2
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
How Does This Compare to Other Years?
Previous Year
1983 Mercedes-Benz C
Based on 27 UK MOT tests
Next Year
1985 Mercedes-Benz C
Based on 43 UK MOT tests
Compare how MOT performance varies across Mercedes-Benz C model years.
Why Trust This Data?
Official UK Government Source
This data comes from the UK's Driver and Vehicle Standards Agency (DVSA), the official body responsible for MOT testing standards. The anonymised MOT test data is published via data.gov.uk.
Understanding the Statistics
This page is based on 51 MOT tests from the 2023 DVSA dataset. Your 1984 Mercedes-Benz C was 39 years old when this data was collected and is now 42 years old.
Sample Size
Moderate confidence - 51 tests (interpret with caution)
Limitations
Statistics reflect average outcomes and don't account for maintenance history, mileage, or regional variations. Individual results will vary based on how well a vehicle has been maintained.
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Mercedes-Benz C.
Frequently Asked Questions
Is a 1984 Mercedes-Benz C likely to fail its MOT?
Based on DVSA statistics, the 1984 Mercedes-Benz C has a 86.3% MOT pass rate. This is above average, indicating good reliability for a vehicle of this age.
What are the most common MOT failures on a 1984 Mercedes-Benz C?
The most common MOT failure reasons for a 1984 Mercedes-Benz C are: fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, stop lamps all missing or inoperative, a headlamp or light source missing, inoperative or more than â½ not functioning in the case of led. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1984 Mercedes-Benz C fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, stop lamps all missing or inoperative, a headlamp or light source missing, inoperative or more than â½ not functioning in the case of led. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1984 Mercedes-Benz Cs fail their MOT?
Around 14% of 1984 Mercedes-Benz Cs fail their MOT test, meaning roughly 1 in 7 don't pass first time. The most common reasons are fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users and stop lamps all missing or inoperative. Pre-checking these items can significantly improve your chances.
What should I check before my 1984 Mercedes-Benz C MOT?
Before your 1984 Mercedes-Benz C MOT, check these commonly-failed items: fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users, stop lamps all missing or inoperative, a headlamp or light source missing, inoperative or more than â½ not functioning in the case of led. 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 1984 Mercedes-Benz C reliable for MOT?
With a 86.3% MOT pass rate, the 1984 Mercedes-Benz C performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.