DVSA Statistics
2018 Mercedes Unclassified
MOT Pass Rate & Pre-MOT Checklist
Used 2018 Mercedes Unclassifieds usually pass their MOT, but around 9% still fail, most often for wiper blade missing or obviously not clearing the windscreen, parking brake lever has excessive movement indicating incorrect adjustment and rear registration plate lamp does not illuminate simultaneously with the position lamps. Based on 70 MOT tests from DVSA data, this page shows how this model performs and what to check before your test.
Pass Rate
Based on 70 DVSA anonymised MOT tests · About this data
Pass Rate
91.4%
Higher than average
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Wiper blades are a common fail on UNCLASSIFIEDs. Quick 5-minute fix.
Based on DVSA statistics from 70 recorded tests.
Pre-MOT Checklist for 2018 Mercedes Unclassified
Based on common failure points for this model, check these items before your MOT:
- 1
Check wiper blades for wear, cracks, and smearing - replace if damaged
Visibility – Common fail on this model
- 2
Test brakes for effectiveness, pull, and unusual noises when driving
Brakes – Common fail on this model
- 3
Push down on each corner and release - car should bounce once only
Suspension – Common fail on this model
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Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Mercedes Unclassified.
Frequently Asked Questions
Is a 2018 Mercedes Unclassified likely to fail its MOT?
Based on DVSA statistics, the 2018 Mercedes Unclassified has a 91.4% 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 2018 Mercedes Unclassified?
The most common MOT failure reasons for a 2018 Mercedes Unclassified are: wiper blade missing or obviously not clearing the windscreen, parking brake lever has excessive movement indicating incorrect adjustment, rear registration plate lamp does not illuminate simultaneously with the position lamps. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 2018 Mercedes Unclassified fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: wiper blade missing or obviously not clearing the windscreen, parking brake lever has excessive movement indicating incorrect adjustment, rear registration plate lamp does not illuminate simultaneously with the position lamps. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 2018 Mercedes Unclassifieds fail their MOT?
Around 9% of 2018 Mercedes Unclassifieds fail their MOT test, meaning roughly 1 in 11 don't pass first time. The most common reasons are wiper blade missing or obviously not clearing the windscreen and parking brake lever has excessive movement indicating incorrect adjustment. Pre-checking these items can significantly improve your chances.
What should I check before my 2018 Mercedes Unclassified MOT?
Before your 2018 Mercedes Unclassified MOT, check these commonly-failed items: wiper blade missing or obviously not clearing the windscreen, parking brake lever has excessive movement indicating incorrect adjustment, rear registration plate lamp does not illuminate simultaneously with the position lamps. 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 2018 Mercedes Unclassified reliable for MOT?
With a 91.4% MOT pass rate, the 2018 Mercedes Unclassified performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.