IsItAGoodCar

Common Problems with the
2024 MG MG4

We've identified 3 known issues that can affect the 2024 MG MG4. None are considered critical, but they're worth knowing about before you buy.

3
Known Issues
0
Serious
2
Moderate
1
Minor

The 2024 period has an average number of reported issues compared to other MG MG4 year periods.

All Known Issues

Infotainment Screen Blackouts

ModerateElectrics & Electronics

The central touchscreen can go black or freeze during driving, sometimes requiring a full system restart. This is a known software issue addressed by updates.

Estimated cost: Software Update / £0Affects: 2022–2024

Typical symptoms

  • •Screen going black while driving
  • •Touchscreen unresponsive
  • •Need to hold power button to restart

What to inspect before you buy

  • ✓Ensure the latest software version is installed
  • ✓Test the screen for extended period during test drive

12V Battery Drainage

ModerateElectrics & Electronics

Like many EVs, the 12V battery can fail or drain prematurely, preventing the car from entering "Ready" mode. This has been a common complaint on early models.

Estimated cost: £120–£200Affects: 2022–2024

Typical symptoms

  • •Car won't start
  • •Multiple warning messages
  • •Keyless entry failing

What to inspect before you buy

  • ✓Check the age and health of the 12V battery
  • ✓Ask if an AGM battery upgrade has been fitted

Brake Squealing

MinorBrakes

Many MG4 owners report persistent brake squeaking, especially at low speeds. This is partly due to the regenerative braking system meaning the physical brakes are used infrequently, leading to surface corrosion.

Estimated cost: £0–£100Affects: 2022–2024

Typical symptoms

  • •High-pitched squeal when braking
  • •Squeaking at low speeds
  • •Grinding noise after the car has been parked

What to inspect before you buy

  • ✓Listen for brake noise during test drive
  • ✓Inspect brake discs for corrosion

Buying Tips for the 2024 MG MG4

  • ✓Test the Lane Keep Assist; early software was considered overly aggressive.
  • ✓Look for oil or coolant leaks from the rear drive unit area.
  • ✓Ensure the infotainment software is on the latest version to avoid screen freezes.
2022–2023 MG MG4

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Other MG MG4 Year Periods

2022–20232024

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