Mercedes-Benz C 300 Amg Line Ed Prem D A: MOT pass rate and reliability data

The Mercedes-Benz C 300 Amg Line Ed Prem D A passes its MOT first time more often than the average UK car, by 12.2 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 778 individual Mercedes-Benz C 300 Amg Line Ed Prem D A tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate88.9%
UK national average76.7%
Difference+12.2 points
Tests analysed778
Average mileage at test37,417 miles
Average year of manufacture2020
Reliability rank883 of 2,005 models

What this means if you are buying one

A 88.9% first-time pass rate means roughly 11 in every 100 Mercedes-Benz C 300 Amg Line Ed Prem D As presented for MOT fail on the first attempt. That is better than average, so a well-kept example is a reasonably safe used buy. The average Mercedes-Benz C 300 Amg Line Ed Prem D A tested had covered 37,417 miles and was built around 2020.

What this means at salvage auction

Pass rate is a proxy for what a car costs to keep on the road. On a Mercedes-Benz C 300 Amg Line Ed Prem D A bought as a repairable salvage, the mechanical side is less likely to spring surprises, so your repair estimate should hold up reasonably well.

Before you bid: run the lot through the analyzer, check the car's own record, check the mileage, decode the VIN, and if it carries a marker use the write-off value calculator. Or compare it against another model.

Looking at a specific Mercedes-Benz C 300 Amg Line Ed Prem D A rather than the model in general? The free check covers its MOT and mileage history, and the full HPI report confirms the insurance write-off category, outstanding finance and whether it is recorded stolen, from licensed data for 5 credits. Already own one that has been damaged? Work out whether fixing it beats selling it with the repair or scrap calculator, and see what damaged Mercedes-Benz C 300 Amg Line Ed Prem D As actually sold for at UK salvage auction.

Most common MOT failures on a Mercedes-Benz C 300 Amg Line Ed Prem D A

  1. A tyre cords visible or damaged, 2.1% of tests (1.7x the national rate for this defect)
  2. Tyre tread depth not in accordance with the requirements, 2.5% of tests
  3. A tyre seriously damaged, 2.3% of tests
  4. Engine MIL illuminated indicating a malfunction, 0.6% of tests
  5. Excessive fluctuation in brake effort through each wheel revolution., 0.6% of tests (2.37x the national rate for this defect)
  6. Abnormal lag in brake operation on a wheel, 0.5% of tests (6.58x the national rate for this defect)
  7. a brake lining or pad worn below 1.5mm, 0.5% of tests
  8. Any fracture or welding defect on a wheel, 0.3% of tests (6.89x the national rate for this defect)
  9. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.3% of tests
  10. Number plate does not conform to the specified requirements, 0.3% of tests (1.98x the national rate for this defect)

From 1,552 DVSA-tracked Mercedes-Benz C 300 Amg Line Ed Prem D A tests, 2024. DVSA testers marked 8.2% of these flagged Mercedes-Benz C 300 Amg Line Ed Prem D A defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

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