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Mercedes Benz 508 D MOT Check

MOT pass rates, common failures, and reliability data for the Mercedes Benz 508 D. Check any 508 D by registration number below.

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68.8%

Avg Pass Rate

-21.4%

vs Mercedes Benz Avg

1

Year Ranges

Average

Reliability

Mercedes Benz 508 D — MOT Reliability Overview

The Mercedes Benz 508 D has an average MOT pass rate of 68.8%, which is 21.4 percentage points below the Mercedes Benz brand average of 90.2%. This is a reasonable result that reflects typical UK reliability standards. Regular servicing and addressing advisories promptly will help keep your 508 D on the road.

Before buying a used Mercedes Benz 508 D, 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 Mercedes Benz 508 D performs at MOT across different model years.

1987

Based on 48 vehicles

68.8%Average
Mercedes Benz average: 90.2%
Dangerous Defects

6.7%

Retest Rate

26.7%

Where Failures Occur

The areas of the vehicle most commonly flagged during MOT inspections.

Rear

20.8%

Front Nearside

8.3%

Rear Offside

4.2%

Other Mercedes Benz Models

Compare MOT reliability across Mercedes Benz models.

Mercedes Benz E 300

94.2% pass rate

Mercedes Benz E

83.5% pass rate

Mercedes Benz Amg Gla 45 S 4matic+ Auto

92.7% pass rate

Mercedes Benz V

85.8% pass rate

Mercedes Benz Vito 112

87.8% pass rate

Mercedes Benz Sl 500

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 Mercedes Benz 508 D

Mercedes Benz 508 D — Frequently Asked Questions

Common questions about the Mercedes Benz 508 D MOT and reliability.

What is the MOT pass rate for the Mercedes Benz 508 D?
The average MOT pass rate for the Mercedes Benz 508 D is 68.8% compared to the Mercedes Benz average of 90.2%. 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 Mercedes Benz 508 D?
Check the detailed breakdown on this page for specific failure data by year range.
Is the Mercedes Benz 508 D reliable?
With an average MOT pass rate of 68.8%, the Mercedes Benz 508 D is rated as "Average" for reliability. This is around average — regular maintenance is recommended to avoid common failure points.
How do I check the MOT history of a Mercedes Benz 508 D?
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 Mercedes Benz 508 D?
Mileage data for the Mercedes Benz 508 D is available in the detailed breakdown on this page.

Check Your Mercedes Benz 508 D's MOT History

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

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