DVSA Statistics
2009 Mercedes Cls
MOT Pass Rate & Pre-MOT Checklist
There isn't much MOT data yet for the 2009 Mercedes Cls (only 4 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 4 DVSA anonymised MOT tests · About this data
Pass Rate
75%
About average
Limited data available for this model; results may be less representative.
Top Failure Reasons
Common MOT failures for this model
Quick DIY Fix
Number plate lights are a quick fix.
Based on DVSA statistics from 4 recorded tests.
Pre-MOT Checklist for 2009 Mercedes Cls
Based on common failure points for this model, check these items before your MOT:
- 1
Ensure number plate lights work and plates are clean and legible
Lighting – Common fail on this model
Do you own this car?
Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Mercedes Cls.
Frequently Asked Questions
Is a 2009 Mercedes Cls likely to fail its MOT?
Based on DVSA statistics, the 2009 Mercedes Cls has a 75% 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 2009 Mercedes Cls?
The most common MOT failure reasons for a 2009 Mercedes Cls are: number plate inscription missing or illegible, smoke opacity levels exceed the manufacturer's specified limit. Many of these can be checked and fixed before your test to improve your chances of passing.
How can I reduce the chance my 2009 Mercedes Cls fails its MOT?
To improve your chances of passing, check the items that commonly fail on this model: number plate inscription missing or illegible, smoke opacity levels exceed the manufacturer's specified limit. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.
How many 2009 Mercedes Clss fail their MOT?
Around 25% of 2009 Mercedes Clss fail their MOT test, meaning roughly 1 in 4 don't pass first time. The most common reasons are number plate inscription missing or illegible and smoke opacity levels exceed the manufacturer's specified limit. Pre-checking these items can significantly improve your chances.
What should I check before my 2009 Mercedes Cls MOT?
Before your 2009 Mercedes Cls MOT, check these commonly-failed items: number plate inscription missing or illegible, smoke opacity levels exceed the manufacturer's specified limit. 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 2009 Mercedes Cls reliable for MOT?
With a 75% MOT pass rate, the 2009 Mercedes Cls performs above average compared to typical vehicles. This suggests good overall condition for a vehicle of this age.