Mercedes-Benz Glc 300 Amg Line 4matic Auto: MOT pass rate and reliability data

The Mercedes-Benz Glc 300 Amg Line 4matic Auto passes its MOT first time more often than the average UK car, by 15.6 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,850 individual Mercedes-Benz Glc 300 Amg Line 4matic Auto tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate92.3%
UK national average76.7%
Difference+15.6 points
Tests analysed1,850
Average mileage at test30,404 miles
Average year of manufacture2020
Reliability rank333 of 2,005 models

What this means if you are buying one

A 92.3% first-time pass rate means roughly 8 in every 100 Mercedes-Benz Glc 300 Amg Line 4matic 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 Glc 300 Amg Line 4matic Auto tested had covered 30,404 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 Glc 300 Amg Line 4matic 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 Glc 300 Amg Line 4matic 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 Glc 300 Amg Line 4matic Autos actually sold for at UK salvage auction.

Most common MOT failures on a Mercedes-Benz Glc 300 Amg Line 4matic Auto

  1. Tyre tread depth not in accordance with the requirements, 1.7% of tests
  2. A tyre seriously damaged, 1.4% of tests
  3. A tyre cords visible or damaged, 0.6% of tests
  4. Brake lining or pad worn down to wear indicator, 0.4% of tests (3.05x the national rate for this defect)
  5. a brake lining or pad worn below 1.5mm, 0.4% of tests
  6. Engine MIL illuminated indicating a malfunction, 0.3% of tests
  7. Wiper blade missing or obviously not clearing the windscreen, 0.3% of tests
  8. Number plate does not conform to the specified requirements, 0.2% of tests (1.35x the national rate for this defect)
  9. A suspension pin, bush or joint excessively worn, 0.2% of tests
  10. A tyre pressure monitoring system malfunctioning or obviously inoperative, 0.1% of tests

From 3,183 DVSA-tracked Mercedes-Benz Glc 300 Amg Line 4matic Auto tests, 2024. DVSA testers marked 6.88% of these flagged Mercedes-Benz Glc 300 Amg Line 4matic Auto defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Mercedes-Benz Glc 300 Amg Line 4matic 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 Glc 300 Amg Line 4matic Auto year:

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All 2,005 models ranked by MOT pass rate