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MG4 Long Range 64 kWh, 204 hp (2022-present) engine: faults and reliability

MG eléctricos: MG4 (plataforma MSP, baterías de 51 a 77 kWh), ZS EV (44,5 a 72,6 kWh) and Marvel R (70 kWh) version

With caution

It is the version with the most testimonies: fiches-auto records 47 reviews of the 204 hp one, with charger and battery faults among those cited; test AC and DC charging before buying.[1]

Years
since 2022
Power
204 hp
Faults that affect it
2
1 of high or critical severity
Cars that use it
1
in our database

3 sourcesHow we work

What changes in this version

CATL NMC battery of 64 kWh gross (59.5 kWh net) and 150 kW (204 hp) rear motor with 250 N·m; fast charging of up to 140 kW and a battery warranty of 7 years or 150,000 km with 70% state of health.[2][3]

Faults of the MG4 Long Range 64 kWh, 204 hp (2022-present) engine

The documented engine faults that affect this version and its years, from most to least important.

  1. 1Medium severityFrequency: OccasionalChargingCharging faults: on-board charger and interrupted chargingOn the MG4, ZS EV and Marvel R there are owners who see AC charging rejected or interrupted; fiches-auto attributes it to the on-board charger or its software. It is an occasional issue, not a systemic one.
  2. 2High severityFrequency: RarePower electronicsHigh-voltage system fault warning and loss of propulsionIsolated cases have been documented of MG4 and ZS EV cars going into limp mode or losing propulsion with high-voltage system warnings. They are scattered testimonies, with no official diagnosis or campaign.

Cars fitted with the MG4 Long Range 64 kWh, 204 hp (2022-present) engine

Open each car to see all its faults with this engine and what to check before buying it.

MG

  • MG MG4MG4 Electric Standard Range 51 kWh · MG4 Electric Long Range 64 kWh · MG4 Electric Extended Range 77 kWh · MG4 XPowersince 2022[2][3]

Frequently asked questions

Is the MG4 Long Range 64 kWh, 204 hp (2022-present) engine reliable?

Our verdict is “With caution”. It is the version with the most testimonies: fiches-auto records 47 reviews of the 204 hp one, with charger and battery faults among those cited; test AC and DC charging before buying.[1]

What faults does the MG4 Long Range 64 kWh, 204 hp (2022-present) engine have?

The documented ones that affect this version, by importance: charging faults: on-board charger and interrupted charging (medium severity) and high-voltage system fault warning and loss of propulsion (high severity).

Which cars use the MG4 Long Range 64 kWh, 204 hp (2022-present) engine?

MG MG4 (since 2022).[2][3]

Are you buying a car with the MG4 Long Range 64 kWh, 204 hp (2022-present) engine?

We will put you in touch with a partner only if you authorise it in the form.

Do you have a car with this engine? Tell us which faults you have had and at how many kilometres. Report your fault.

Sources

Every fact on this page links to its source. If you find an error, let us know.

  1. Fiabilité Mg MG4 (2023): toutes les pannes connuesFiches-auto.fr · Reliability study · consulted 30 October 2026 · in French
  2. Datos generales MG MG4 Electric Luxury (05/23 - 07/25)ADAC · Technical documentation · consulted 30 October 2026 · in German
  3. MG4 EVWikipedia · Other source · consulted 30 October 2026