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Mercury Cougar MOT Check

MOT pass rates, common failures, and reliability data for the Mercury Cougar. Check any Cougar by registration number below.

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90.9%

Avg Pass Rate

-0.5%

vs Mercury Avg

1

Year Ranges

Excellent

Reliability

Mercury Cougar — MOT Reliability Overview

The Mercury Cougar has an average MOT pass rate of 90.9%, which is 0.5 percentage points below the Mercury brand average of 91.4%. This is a strong result, indicating that the Cougar is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Before buying a used Mercury Cougar, we recommend checking the full MOT history, write-off status, outstanding finance, and stolen vehicle status. These checks can be done for free using the registration number.

MOT Pass Rate by Year

How the Mercury Cougar performs at MOT across different model years.

0

Based on 11 vehicles

90.9%Excellent
Mercury average: 91.4%
Mileage at 5yr

65k mi

Other Mercury Models

Compare MOT reliability across Mercury models.

Mercury Grand Marquis

83.3% pass rate

Mercury Unclassified

100.0% pass rate

Useful MOT Guides

Common MOT Failures

The most common reasons UK vehicles fail their MOT — and how to prepare.

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 Cougar

Mercury Cougar — Frequently Asked Questions

Common questions about the Mercury Cougar MOT and reliability.

What is the MOT pass rate for the Mercury Cougar?
The average MOT pass rate for the Mercury Cougar is 90.9% compared to the Mercury average of 91.4%. Pass rates vary by year — check the year-by-year breakdown on this page for details.
What are the most common MOT failures on a Mercury Cougar?
Check the detailed breakdown on this page for specific failure data by year range.
Is the Mercury Cougar reliable?
With an average MOT pass rate of 90.9%, the Mercury Cougar is rated as "Excellent" for reliability. This is a strong result suggesting good build quality and fewer common defects.
How do I check the MOT history of a Mercury Cougar?
Enter the vehicle's registration number in the search box at the top of this page. You will instantly see the complete MOT history including every test result, mileage readings, advisories, and dangerous defects — completely free.
What mileage should I expect on a Mercury Cougar?
Typical mileage for the Mercury Cougar: 64,540 miles at 5 years. Use these benchmarks when evaluating a used Cougar to spot vehicles with unusually high or low mileage.

Check Your Mercury Cougar's MOT History

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

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