DVSA Statistics
1988 Mercedes-Benz Sl
MOT Pass Rate & Pre-MOT Checklist
Used 1988 Mercedes-Benz Sls usually pass their MOT, but around 1 in 7 still fail, most often for the aim of a headlamp is not within limits laid down in the requirements, a suspension component excessively damaged or corroded and a suspension joint dust cover missing or no longer prevents the ingress of dirt etc. Based on 157 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 157 DVSA anonymised MOT tests · About this data
Pass Rate
86.6%
Higher than 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 157 recorded tests.
Advisory repair cost guides
Pre-MOT Checklist for 1988 Mercedes-Benz Sl
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
Listen for knocks or clunks when driving over bumps - bounce each corner
Suspension – Common fail on this model
- 3
Check tyre tread depth is at least 1.6mm across the central 3/4 of the tyre
Tyres – Common fail on this model
- 4
Check windscreen for chips or cracks in the driver view zone (Zone A)
Visibility – Common fail on this model
How Does This Compare to Other Years?
Previous Year
1987 Mercedes-Benz Sl
Based on 134 UK MOT tests
Next Year
1989 Mercedes-Benz Sl
Based on 181 UK MOT tests
Compare how MOT performance varies across Mercedes-Benz Sl 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 157 MOT tests from the 2023 DVSA dataset. Your 1988 Mercedes-Benz Sl was 35 years old when this data was collected and is now 38 years old.
Sample Size
Moderate confidence - 157 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 Sl.
Frequently Asked Questions
Is a 1988 Mercedes-Benz Sl likely to fail its MOT?
Based on DVSA statistics, the 1988 Mercedes-Benz Sl has a 86.6% 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 1988 Mercedes-Benz Sl?
The most common MOT failure reasons for a 1988 Mercedes-Benz Sl are: the aim of a headlamp is not within limits laid down in the requirements, a suspension component excessively damaged or corroded, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1988 Mercedes-Benz Sl fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: the aim of a headlamp is not within limits laid down in the requirements, a suspension component excessively damaged or corroded, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1988 Mercedes-Benz Sls fail their MOT?
Around 13% of 1988 Mercedes-Benz Sls fail their MOT test, meaning roughly 1 in 8 don't pass first time. The most common reasons are the aim of a headlamp is not within limits laid down in the requirements and a suspension component excessively damaged or corroded. Pre-checking these items can significantly improve your chances.
What should I check before my 1988 Mercedes-Benz Sl MOT?
Before your 1988 Mercedes-Benz Sl MOT, check these commonly-failed items: the aim of a headlamp is not within limits laid down in the requirements, a suspension component excessively damaged or corroded, a suspension joint dust cover missing or no longer prevents the ingress of dirt etc. 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 1988 Mercedes-Benz Sl reliable for MOT?
With a 86.6% MOT pass rate, the 1988 Mercedes-Benz Sl performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.