More stringent rules for MOT set to be rolled out on the 20th of May 2018, with new defect types, stricter rules for diesel car emissions, and some vehicles over 40 years old becoming exempt among the changes coming into effect.

MOT Wokingham – The rules for MOT inspection and testing are due to change in May 2018.

MH Motor Experts Ltd the Wokingham car servicing and Wokingham car repair experts would like to warn motorists that more stringent rules for the MOT are set to be rolled out in May 2018.

MH Motor Experts Ltd advise that you have your car serviced and repair any issues with your car before undergoing an MOT test.

You can of course request an MOT inspection in Wokingham without having your car serviced or repaired. However, please see the information provided below which outlines some of the new MOT changes. Please be advised that this information is provided in the interests of public awareness and no responsibility will be accepted for any factual or legal errors.

For up to date legislation please check the UK government website

1. Defects will be categorised differently

Defects found during the MOT will be categorised as either:

  • dangerous
  • major
  • minor

The category the MOT tester gives each item will depend on the type of problem and how serious it is.

MOT testers will still give advice about items you need to monitor. These are known as ‘advisories’.

What the new categories mean

Item result What it means about the item How it affects your MOT result
Dangerous A direct and immediate risk to road safety or has a serious impact on the environment.

Do not drive the vehicle until it’s been repaired.

Major It may affect the vehicle’s safety, put other road users at risk or have an impact on the environment.

Repair it immediately.

Minor No significant effect on the safety of the vehicle or impact on the environment.

Repair as soon as possible.

Advisory It could become more serious in the future.

Monitor and repair it if necessary.

Pass It meets the minimum legal standard.

Make sure it continues to meet the standard.



2. Stricter rules for diesel car emissions

There will be stricter limits for emissions from diesel cars with a diesel particulate filter (DPF).

DPF captures and stores exhaust soot to reduce emissions from diesel cars.

Check your car’s handbook if you don’t know if your car has a DPF.

Your vehicle will get a major fault if the MOT tester:

  • can see smoke of any colour coming from the exhaust
  • finds evidence that the DPF has been tampered with

3. Some new things will be included in the MOT

Daytime running lights will be checked on vehicles first used from 1 March 2018.

Some new items will be tested during the MOT.

They include checking:

  • if tyres are obviously underinflated
  • if the brake fluid has been contaminated
  • for fluid leaks posing an environmental risk
  • brake pad warning lights and if brake pads or discs are missing
  • reversing lights on vehicles first used from 1 September 2009
  • headlight washers on vehicles first used from 1 September 2009 (if they have them)
  • daytime running lights on vehicles first used from 1 March 2018 (most of these vehicles will have their first MOT in 2021 when they’re 3 years old)

There will be other smaller changes to how some items are checked. Your MOT center will be able to tell you about these.

4. The MOT certificate will change

Image of the current MOT certificate until May 20 2018 and the MOT certificate that will be issued after May 20 2018

The current MOT test certificate (left) will change to a new style (right) to list the new types of defects.


The design of the MOT certificate will change.

It will list any defects under the new categories, so they’re clear and easy to understand.

The service to check the MOT history of a vehicle will be updated to reflect the changes.

You can be fined for driving a vehicle without a valid MOT.

MH Motor Experts Ltd advise that you have your car serviced and repair any issues with your car before undergoing an MOT test.

Contact MH Motor Experts Ltd your car mechanics in Wokingham on 0118 9773 548 to arrange all your Wokingham car servicing needs, Wokingham car repairs and to book an MOT in Wokingham.