Skip to content
MOTCHECK
Beta

DVSA Statistics

1986 Mercedes 309d
MOT Pass Rate & Pre-MOT Checklist

There isn't much MOT data yet for the 1986 Mercedes 309d (only 2 tests in our DVSA dataset), so these figures are a rough guide. We still highlight common failure items below so you can check before your MOT.

50%

Pass Rate

Based on 2 DVSA anonymised MOT tests · About this data

Pass Rate

50%

Lower than average

Limited data available for this model; results may be less representative.

Top Failure Reasons

Common MOT failures for this model

  1. 1

    Movement between the stub axle and axle beam stub axle is excessive

    40%
  2. 2

    Front or rear fog lamp emitted colour, position or intensity not in accordance with the requirements

    20%
  3. 3

    A rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources

    20%
  4. 4

    Fluid leaking excessively and likely to harm the environment or to pose a safety risk to other road users

    20%

Based on DVSA statistics from 2 recorded tests.

Pre-MOT Checklist for 1986 Mercedes 309d

Based on common failure points for this model, check these items before your MOT:

  • 1

    Check headlight beam pattern and alignment against a wall

    Lighting – Common fail on this model

Personal Check

Do you own this car?

Check your specific vehicle for outstanding advisories or recalls. Get a personalized risk report for your exact Mercedes 309d.

GB

Enter the reg exactly as it appears on the plate.

View all Mercedes 309d years →

Frequently Asked Questions

Is a 1986 Mercedes 309d likely to fail its MOT?

Based on DVSA statistics, the 1986 Mercedes 309d has a 50% MOT pass rate. This is below average, so extra pre-MOT checks are recommended.

What are the most common MOT failures on a 1986 Mercedes 309d?

The most common MOT failure reasons for a 1986 Mercedes 309d are: movement between the stub axle and axle beam stub axle is excessive, front or rear fog lamp emitted colour, position or intensity not in accordance with the requirements, a rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources. Many of these can be checked and fixed before your test to improve your chances of passing.

How can I reduce the chance my 1986 Mercedes 309d fails its MOT?

To improve your chances of passing, check the items that commonly fail on this model: movement between the stub axle and axle beam stub axle is excessive, front or rear fog lamp emitted colour, position or intensity not in accordance with the requirements, a rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources. Use our pre-MOT checklist above to identify potential issues before your test. Many common failures are easy DIY fixes.

How many 1986 Mercedes 309ds fail their MOT?

Around 50% of 1986 Mercedes 309ds fail their MOT test, meaning roughly 1 in 2 don't pass first time. The most common reasons are movement between the stub axle and axle beam stub axle is excessive and front or rear fog lamp emitted colour, position or intensity not in accordance with the requirements. Pre-checking these items can significantly improve your chances.

What should I check before my 1986 Mercedes 309d MOT?

Before your 1986 Mercedes 309d MOT, check these commonly-failed items: movement between the stub axle and axle beam stub axle is excessive, front or rear fog lamp emitted colour, position or intensity not in accordance with the requirements, a rear registration plate lamp or light source missing or inoperative in the case of multiple lamps or light sources. Most are visual checks you can do at home – look for worn tyres, test all lights work, and check for obvious damage or leaks.

Is the 1986 Mercedes 309d reliable for MOT?

With a 50% MOT pass rate, the 1986 Mercedes 309d performs below average compared to typical vehicles. Extra attention to pre-MOT checks is recommended for this model.