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Extended Range, 98.8 kWh battery, 276-375 hp (2021-present) engine: faults and reliability

Ford Mustang Mach-E: motor síncrono de imanes permanentes and baterías de 75,7 a 98,8 kWh version

With caution

The ÖAMTC cites this version (Extended Range and GT) among those affected by the high-voltage contactor recall; units built after May 2022 have the design change the sources mention.[1][2]

Years
since 2021
Power
276–375 hp
Faults that affect it
1
1 of high or critical severity
Cars that use it
1
in our database

5 sourcesHow we work

What changes in this version

98.8 kWh gross battery (88 kWh usable in the early years, 91 kWh quoted for the current range) and outputs of 294 hp in rear-wheel drive and 351 hp in total up to 2024. From April 2025 the ADAC listing gives 276 hp and 375 hp.[3][4][5]

Faults of the Extended Range, 98.8 kWh battery, 276-375 hp (2021-present) engine

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

  1. 1High severityFrequency: CommonPower electronicsHigh-voltage battery contactors overheating: loss of powerYes: the main contactors of the Mach-E's high-voltage battery can overheat with repeated rapid charging and hard acceleration, and the car may lose traction or fail to start. The 2022 software update was not enough, and in December 2023 Ford moved to replace the contactor box.

Cars fitted with the Extended Range, 98.8 kWh battery, 276-375 hp (2021-present) engine

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

Ford

  • Ford Mustang Mach-EMustang Mach-E Standard Range · Mustang Mach-E Extended Range · Mustang Mach-E Premium AWD · Mustang Mach-E GTsince 2021[3][4]

Frequently asked questions

Is the Extended Range, 98.8 kWh battery, 276-375 hp (2021-present) engine reliable?

Our verdict is “With caution”. The ÖAMTC cites this version (Extended Range and GT) among those affected by the high-voltage contactor recall; units built after May 2022 have the design change the sources mention.[1][2]

What faults does the Extended Range, 98.8 kWh battery, 276-375 hp (2021-present) engine have?

The documented ones that affect this version, by importance: high-voltage battery contactors overheating: loss of power (high severity).

Which cars use the Extended Range, 98.8 kWh battery, 276-375 hp (2021-present) engine?

Ford Mustang Mach-E (since 2021).[3][4]

Are you buying a car with the Extended Range, 98.8 kWh battery, 276-375 hp (2021-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. Ford Mustang Mach-E: Probleme mit dem HochvoltschützÖAMTC · Consumer association · published 28 December 2023 · consulted 30 October 2026 · in German
  2. Ford Mustang Mach-E: Rückruf wegen Leistungsverlustfuturezone.at · General press · published 20 October 2023 · consulted 30 October 2026 · in German
  3. Ford Mustang Mach-E 1. Generation: ModellvariantenADAC Autokatalog · Technical documentation · consulted 30 October 2026 · in German
  4. Ford Mustang Mach-E reviewDrive (antes Honest John) · Motoring press · consulted 30 October 2026
  5. Ford Mustang Mach-EWikipedia (inglés) · Other source · consulted 30 October 2026