MG's 7-year factory warranty: what the UK warranty page actually requires

Long warranties are a staple of car marketing, but the conditions attached to them matter as much as the headline number. MG Motor UK publishes its warranty terms on its own website, and for the UK market the manufacturer states that all new MGs come with a comprehensive manufacturer warranty as standard, along with an anti-perforation and paint warranty. The details below are drawn from that page, which is a primary manufacturer source, and apply to the UK market as MG describes them there.

Two elements stand out for anyone keeping an MG on the road in the UK: the factory warranty, which MG dates to vehicles registered on or after a specific cutoff, and the anti-perforation warranty, which carries its own maintenance obligation. Getting the second one wrong can cost the owner a claim on a rusted body panel, so the small print deserves a close read.

The 7-year factory warranty

MG states on its UK warranty page that all models carry a 7-year factory warranty, with the term applying from 1 September 2019. The page directs owners to downloadable terms and conditions covering the new vehicle warranty for any MG vehicle registered on or after that date. In other words, the 7-year term is tied to the registration date of the vehicle, not to the model year alone, and the full conditions live in the downloadable document MG references rather than in the summary text on the page itself.

Because the operative conditions are in that downloadable document, an owner weighing a repair or a modification should read it in full before assuming coverage. The page summary does not restate every factory-warranty exclusion, so the document MG points to is the authoritative text for the UK market.

The anti-perforation warranty: what is covered

Separately from the factory warranty, MG warrants the metal body panels of a new car against perforation due to corrosion where that corrosion is the direct result of defects in material or manufacturing process. The manufacturer defines perforation precisely: corrosion or rusting through of a body panel from the inner surface to the outer surface, resulting in a hole. The anti-perforation warranty runs for 7 years on MG models from the date of registration.

That definition matters in practice: surface rust or corrosion that has not rusted through the panel does not meet the wording MG uses. If a car is affected by perforation as described, MG says an MG Authorised Dealer/Repairer will replace or repair the affected panel free of charge.

The annual inspection condition

The anti-perforation warranty is not unconditional. MG requires that, for the warranty period to remain valid, the vehicle be inspected every 12 months for the duration of the anti-perforation warranty by an MG Dealer, and that the inspection be documented. The manufacturer also notes that the dealer may charge for this service, so owners should treat it as a potential recurring cost of keeping the anti-perforation cover alive, not as a free check.

Exclusions MG names

MG lists situations in which the car will not be covered, saying these include but are not limited to the following, so the list is not exhaustive:

• Perforation due to corrosion as a result of an accident, damage, modification, abuse, industrial fallout, or carrying corrosive or damaging materials, or external influences.
• Perforation due to corrosion caused by the use of non-genuine MG parts, or parts not approved by MG, including used parts.
• Perforation due to corrosion resulting from a lack of maintenance, as described in the owner's manual, misuse or abuse.
• An incomplete annual inspection record.

Two of these deserve emphasis. Modifications can void the anti-perforation cover where corrosion follows from them, and an incomplete annual inspection record is itself a named exclusion - meaning the paperwork trail is as important as the inspections themselves. Keeping every inspection receipt for the full 7 years is the practical safeguard the wording points to.

Where to take a dispute

MG states that it is a proud member of The Motor Ombudsman accreditation scheme, accredited to the CTSI-approved New Car, Vehicle Sales and Service & Repair Codes of Practice. For a UK owner, that means there is an accredited code framework in place alongside the warranty terms, though the specific dispute route would follow The Motor Ombudsman's own procedures.

How to check your own coverage

• Confirm your vehicle's registration date: the 7-year factory warranty term on MG's UK page applies to vehicles registered on or after 1 September 2019.
• Download and read the full warranty terms and conditions MG links from its warranty page; the page summary is not the complete contract.
• Check your service history for a documented annual inspection by an MG Dealer for each year of the anti-perforation warranty, and keep the records.
• Ask the dealer in advance whether the annual inspection carries a charge, since MG states the dealer may charge for it.
• If a warranty question arises, contact MG Motor UK or use the Motor Ombudsman route MG cites on its page.