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MG Gs Service Schedule & Costs

Every service item for the MG Gs — what needs doing, when, and what it should cost at an independent garage versus a main dealer.

MK1 (2016–2019)1.5 Turbo, 1.5 Naturally Aspirated

MG Gs service: key facts

Routine service items

These are the items covered in a standard service. Most garages include oil, oil filter and a basic inspection. The rest are typically checked or replaced on a schedule.

Service itemIntervalTypical cost
Engine oil and filter
Manufacturer interval 10,000 miles or 12 months. Use 5W-30 fully synthetic oil. Change filter with every oil change. Short service intervals recommended given early model teething issues.
MK1
 10,000 miles or 1 year
£80–£120
Dealer: £150–£200
Air filter
Manufacturer interval 20,000 miles. Check more frequently if driven in dusty conditions. Dirty filter can affect turbo performance on 1.5T variants.
MK1
 20,000 miles or 2 years
£25–£40
Dealer: £50–£70
Cabin pollen filter
Manufacturer interval 20,000 miles. Replace annually if used frequently in urban areas. Located behind glovebox.
MK1
 20,000 miles or 2 years
£30–£50
Dealer: £60–£80

Periodic maintenance

Items that don't need doing at every service but should be on your radar at the right mileage or age.

Service itemIntervalTypical cost
Spark plugs
Manufacturer interval 40,000 miles. Turbo variants may benefit from earlier replacement at 30,000 miles due to higher operating temperatures.
MK1
 40,000 miles or 4 years
£80–£120
Dealer: £150–£200
Brake fluid
Manufacturer interval 2 years regardless of mileage. DOT 4 brake fluid specified. Critical given documented brake disc issues on this model.
MK1
 2 years
£60–£90
Dealer: £120–£150
Coolant flush
Manufacturer interval 80,000 miles or 5 years. Use OAT (Organic Acid Technology) coolant. Check level and condition annually.
MK1
 80,000 miles or 5 years
£80–£120
Dealer: £150–£200

Known issues to watch for

The most common problems reported on the MG Gs, ranked by severity.

major
Electronic Stability Control system malfunction
The Electronic Stability Control (ESC) system frequently develops software or sensor faults that trigger the malfunction indicator light.
major
Premature brake disc wear and cracking
Brake discs develop excessive wear, cracking, or fractures at unusually low mileages, even on nearly new vehicles.
major
Coil spring fracture
Coil springs fracture or seriously weaken at very low mileages, including on nearly new vehicles.
minor
Warning system malfunction
Multiple warning systems experience malfunctions that cause warning lights or audible alerts to activate incorrectly.

1 more known issues tracked. Check a specific car's history to see what matters for its age and mileage.

Check a MG Gs's service history

Enter a reg to see franchised dealer service records — dates, mileage, and work done at every visit.

Check service history

£6.99 · Full refund if no records found

Related

MG Gs service FAQs

How often should a MG Gs be serviced?

A MG Gs should have an oil service every 10,000 miles or 1 year, whichever comes first. Manufacturer interval 10,000 miles or 12 months.

How much does a MG Gs service cost?

A basic service at an independent garage typically costs £80–£120. Main dealer servicing is usually £150–£200. Major items like timing belts or gearbox services cost significantly more.

Can I service a MG Gs at an independent garage?

Yes. Under UK consumer law, using an independent garage does not void your manufacturer warranty, provided they use parts meeting the manufacturer's specification and follow the correct schedule. However, independent services won't appear in the franchised dealer digital records.