Mercedes-Benz GT: MOT pass rate and reliability data

The Mercedes-Benz GT passes its MOT first time more often than the average UK car, by 16.7 percentage points. These figures come from the DVSA's full year of anonymised MOT results, covering 1,400 individual Mercedes-Benz GT tests. Nothing here is an estimate or a survey.

The numbers

First-time pass rate93.4%
UK national average76.7%
Difference+16.7 points
Tests analysed1,400
Average mileage at test22,569 miles
Average year of manufacture2017
Reliability rank200 of 2,005 models

What this means if you are buying one

A 93.4% first-time pass rate means roughly 7 in every 100 Mercedes-Benz GTs 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 GT tested had covered 22,569 miles and was built around 2017.

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 GT 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 GT 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 GTs actually sold for at UK salvage auction.

Most common MOT failures on a Mercedes-Benz GT

  1. Number plate does not conform to the specified requirements, 0.4% of tests (2.58x the national rate for this defect)
  2. A tyre cords visible or damaged, 1% of tests
  3. A tyre seriously damaged, 0.7% of tests
  4. Tyre tread depth not in accordance with the requirements, 0.4% of tests
  5. Wiper blade missing or obviously not clearing the windscreen, 0.3% of tests
  6. Emissions levels exceed default limits, 0.2% of tests
  7. Lambda coefficient outside the default limits or the range specified by the manufacturer, 0.2% of tests
  8. Emission control equipment fitted by the manufacturer missing, obviously modified or obviously defective, 0.1% of tests (6.47x the national rate for this defect)
  9. A suspension pin, bush or joint excessively worn, 0.1% of tests
  10. Emissions test unable to be completed, 0.1% of tests

From 4,773 DVSA-tracked Mercedes-Benz GT tests, 2024. DVSA testers marked 7.04% of these flagged Mercedes-Benz GT defects as "dangerous", meaning the tester judged the car unsafe to drive away, against 4.97% nationally.

Mercedes-Benz GT 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 GT year:

Other Mercedes-Benz models

Models with a similar pass rate

If this car is a salvage or write-off

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Mercedes-Benz GT MOT pass rate badge: 93.4%

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All 2,005 models ranked by MOT pass rate