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3 Models Available

Mercury MOT Check

Check MOT history for any Mercury by registration number, or explore MOT pass rates and common failures across 3 Mercury models.

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Free, instant, no sign-up required.

91.4%

Avg Pass Rate

3

Models

3

Data Sets

Excellent

Reliability

View Mercury Common MOT Faults & Repair Costs

About Mercury MOT Reliability

Mercury has 3 models in the UK MOT testing database, with an overall average pass rate of 91.4%. This places Mercury among the more reliable manufacturers on UK roads, with the majority of models achieving above-average MOT pass rates.

The most reliable Mercury models by MOT pass rate are Unclassified (100.0%), Cougar (90.9%), and Grand Marquis (83.3%). If you are looking for a used Mercury with the best chance of a clean MOT, these models are worth considering.

Before buying any used Mercury, we recommend checking the full MOT history by registration number. This will show you every test result, advisory, and failure since 2005 — giving you a clear picture of how the vehicle has been maintained. You can also check for write-off history, outstanding finance, and mileage anomalies.

Mercury Models — MOT Pass Rates

Select a model to view detailed MOT reliability data, common failures, and mileage statistics.

Unclassified

0

MOT Pass Rate100.0%

Cougar

0

MOT Pass Rate90.9%

Grand Marquis

0

MOT Pass Rate83.3%

MOT Guides for Mercury Owners

Common MOT Failures

The most common reasons vehicles fail their MOT and how to avoid them.

MOT Checklist

Pre-MOT checklist to improve your chances of passing first time.

Advisory vs Failure

Understanding the difference between MOT advisories and failures.

See detailed fault analysis for Mercury

Mercury MOT — Frequently Asked Questions

Common questions about Mercury MOT checks and reliability.

What is the average MOT pass rate for Mercury?
The average MOT pass rate across all Mercury models is 91.4%. This is based on 3 data sets covering 3 models.
How many Mercury models have MOT data available?
We have MOT reliability data for 3 Mercury models, including pass rates, common failure points, and mileage statistics.
What are the most reliable Mercury models?
The most reliable Mercury models by MOT pass rate are: Unclassified (100.0%), Cougar (90.9%), Grand Marquis (83.3%). View each model page for detailed failure analysis.
How do I check the MOT history of a Mercury?
Enter your Mercury's registration number in the search box at the top of this page. You will instantly see the full MOT history including pass/fail results, mileage readings, advisories, and any dangerous defects — completely free.
What are common MOT failures on Mercury vehicles?
Common MOT failures vary by model and age. Click on any Mercury model listed on this page to see its specific top 5 failure points, failure rates, and which components are most likely to cause problems.

Check Your Mercury's MOT History

Enter a registration number for the full MOT history — free and instant.

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