Mercedes-Benz Amg A 45 S 4matic+ Plus Auto: MOT pass rate and reliability data

The Mercedes-Benz Amg A 45 S 4matic+ Plus Auto passes its MOT first time more often than the average UK car, by 11.3 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 598 individual Mercedes-Benz Amg A 45 S 4matic+ Plus Auto tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate88%
UK national average76.7%
Difference+11.3 points
Tests analysed598
Average mileage at test24,905 miles
Average year of manufacture2020
Reliability rank994 of 2,005 models

What this means if you are buying one

A 88% first-time pass rate means roughly 12 in every 100 Mercedes-Benz Amg A 45 S 4matic+ Plus Autos 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 Amg A 45 S 4matic+ Plus Auto tested had covered 24,905 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 Amg A 45 S 4matic+ Plus Auto 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 Amg A 45 S 4matic+ Plus Auto 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 Amg A 45 S 4matic+ Plus Autos actually sold for at UK salvage auction.

Most common MOT failures on a Mercedes-Benz Amg A 45 S 4matic+ Plus Auto

  1. Number plate does not conform to the specified requirements, 1% of tests (5.96x the national rate for this defect)
  2. A tyre cords visible or damaged, 3.9% of tests (3.19x the national rate for this defect)
  3. A tyre seriously damaged, 1.6% of tests
  4. Tyre tread depth not in accordance with the requirements, 0.9% of tests
  5. Lambda coefficient outside the default limits or the range specified by the manufacturer, 0.5% of tests (1.38x the national rate for this defect)
  6. Emissions levels exceed default limits, 0.2% of tests
  7. Windscreen washers not working or not providing sufficient fluid to clear the windscreen, 0.2% of tests
  8. Wiper blade missing or obviously not clearing the windscreen, 0.1% of tests
  9. The aim of a headlamp is not within limits laid down in the requirements, 0.1% of tests
  10. A suspension pin, bush or joint likely to become detached, 0.1% of tests

From 1,654 DVSA-tracked Mercedes-Benz Amg A 45 S 4matic+ Plus Auto tests, 2024. DVSA testers marked 13.98% of these flagged Mercedes-Benz Amg A 45 S 4matic+ Plus Auto defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Mercedes-Benz Amg A 45 S 4matic+ Plus Auto pass rate by model year

Pass rates fall steadily as cars age, so the model year matters as much as the model. First-time pass rate for each Mercedes-Benz Amg A 45 S 4matic+ Plus Auto year:

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Mercedes-Benz Amg A 45 S 4matic+ Plus Auto MOT pass rate badge: 88%

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All 2,005 models ranked by MOT pass rate