DVSA Statistics
1999 Mercedes Slc
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 1999 Mercedes Slc (only 2 tests in our DVSA dataset), so these figures are a rough guide. We still highlight common failure items below so you can check before your MOT.
Pass Rate
Based on 2 DVSA anonymised MOT tests · About this data
Pass Rate
50%
Lower than average
Limited data available for this model; results may be less representative.
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 2 recorded tests.
Pre-MOT Checklist for 1999 Mercedes Slc
Based on common failure points for this model, check these items before your MOT:
- 1
Ensure engine is at operating temperature before test - take a good run beforehand
Emissions – Common fail on this model
- 2
Test all headlights work and aim is correct - check for condensation inside
Lighting – Common fail on this model
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Frequently Asked Questions
Is a 1999 Mercedes Slc likely to fail its MOT?
Based on DVSA statistics, the 1999 Mercedes Slc has a 50% MOT pass rate. This is below average, so extra pre-MOT checks are recommended.
What are the most common MOT failures on a 1999 Mercedes Slc?
The most common MOT failure reasons for a 1999 Mercedes Slc are: emissions levels exceed default limits, a mandatory tell-tale for main beam headlamp or rear fog lamp missing or inoperative. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 1999 Mercedes Slc fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: emissions levels exceed default limits, a mandatory tell-tale for main beam headlamp or rear fog lamp missing or inoperative. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 1999 Mercedes Slcs fail their MOT?
Around 50% of 1999 Mercedes Slcs fail their MOT test, meaning roughly 1 in 2 don't pass first time. The most common reasons are emissions levels exceed default limits and a mandatory tell-tale for main beam headlamp or rear fog lamp missing or inoperative. Pre-checking these items can significantly improve your chances.
What should I check before my 1999 Mercedes Slc MOT?
Before your 1999 Mercedes Slc MOT, check these commonly-failed items: emissions levels exceed default limits, a mandatory tell-tale for main beam headlamp or rear fog lamp missing or inoperative. 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 1999 Mercedes Slc reliable for MOT?
With a 50% MOT pass rate, the 1999 Mercedes Slc performs below average compared to typical vehicles. Extra attention to pre-MOT checks is recommended for this model.