Skip to main content
GB
MOT
Checkup

Mash Five Hundred 400 MOT Check

MOT pass rates, common failures, and reliability data for the Mash Five Hundred 400. Check any Five Hundred 400 by registration number below.

GB

Free, instant, no sign-up required.

95.7%

Avg Pass Rate

+8.5%

vs Mash Avg

1

Year Ranges

Excellent

Reliability

Mash Five Hundred 400 — MOT Reliability Overview

The Mash Five Hundred 400 has an average MOT pass rate of 95.7%, which is 8.5 percentage points above the Mash brand average of 87.2%. This is a strong result, indicating that the Five Hundred 400 is well-engineered and tends to age well mechanically. Owners can expect fewer surprises at MOT time.

Before buying a used Mash Five Hundred 400, 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 Mash Five Hundred 400 performs at MOT across different model years.

0

Based on 23 vehicles

95.7%Excellent
Mash average: 87.2%
Mileage at 5yr

3k mi

Other Mash Models

Compare MOT reliability across Mash models.

Mash Xy 400-2

90.7% pass rate

Mash Cruise 125

70.0% pass rate

Mash Fifty 50

90.5% pass rate

Mash Black 7

77.4% pass rate

Mash Dirt Track 50

86.7% pass rate

Mash 250 Black 7

90.9% 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 Mash Five Hundred 400

Mash Five Hundred 400 — Frequently Asked Questions

Common questions about the Mash Five Hundred 400 MOT and reliability.

What is the MOT pass rate for the Mash Five Hundred 400?
The average MOT pass rate for the Mash Five Hundred 400 is 95.7% compared to the Mash average of 87.2%. 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 Mash Five Hundred 400?
Check the detailed breakdown on this page for specific failure data by year range.
Is the Mash Five Hundred 400 reliable?
With an average MOT pass rate of 95.7%, the Mash Five Hundred 400 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 Mash Five Hundred 400?
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 Mash Five Hundred 400?
Typical mileage for the Mash Five Hundred 400: 3,123 miles at 5 years. Use these benchmarks when evaluating a used Five Hundred 400 to spot vehicles with unusually high or low mileage.

Check Your Mash Five Hundred 400's MOT History

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

GB