Mercedes Benz C 300 Amg Line Ed Prem D A MOT Failures
An analysis of 825 real DVSA MOT tests on the Mercedes Benz C 300 Amg Line Ed Prem D A — what fails, how often, and how that compares to every other car on UK roads.
Where the Mercedes Benz C 300 Amg Line Ed Prem D A fails its MOT
The single biggest MOT failure point on the Mercedes Benz C 300 Amg Line Ed Prem D A is transmission shaft flexible coupling deteriorated — this model is 151 times more likely to fail on this item than the average car on UK roads. That makes it an extreme outlier for anyone buying or owning this model. Across 825 MOT tests, 3.03% of all Mercedes Benz C 300 Amg Line Ed Prem D A tests recorded this as a failure.
Bodywork failures usually mean structural corrosion — not cosmetic rust, but rot that affects the car's structural integrity. Check sills, subframes, and chassis rails carefully, especially on older examples.
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What to check before buying a Mercedes Benz C 300 Amg Line Ed Prem D A
Based on the MOT failure data and known issues above, here's what to prioritise when inspecting a Mercedes Benz C 300 Amg Line Ed Prem D A:
Bodywork — check for transmission shaft flexible coupling deteriorated.
Always check the car's full MOT history for patterns — recurring advisories often become failures within 12 months. Enter any reg into our free car check to see the complete picture.
Check this Mercedes Benz C 300 Amg Line Ed Prem D A's service history
See every franchised dealer visit, dates, mileage readings, and work done. Know whether the maintenance that prevents these MOT failures was actually done.
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Mercedes Benz C 300 Amg Line Ed Prem D A MOT FAQs
What are the most common MOT failures on a Mercedes Benz C 300 Amg Line Ed Prem D A?
Based on 825 DVSA MOT tests, the most common failure is transmission shaft flexible coupling deteriorated — at 151x the national fleet average.
Is the Mercedes Benz C 300 Amg Line Ed Prem D A reliable based on MOT data?
The Mercedes Benz C 300 Amg Line Ed Prem D A has 1 categories where it fails more often than average. The main concern is transmission shaft flexible coupling deteriorated. Always check a specific car's full history before buying.
What MOT failures should I expect at high mileage?
The most common high-mileage failures include transmission shaft flexible coupling deteriorated.
How do I check a Mercedes Benz C 300 Amg Line Ed Prem D A's MOT history?
Enter the registration number into our free car check above. You'll see every MOT test result, advisories and failures, mileage readings, write-off status, and finance checks.
MOT failure data sourced from DVSA bulk test records via data.gov.uk. Ratios compare this model's failure rate against the national fleet average. Known issues sourced from manufacturer bulletins, specialist workshops, and verified owner reports.