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EQA 250+, 73.9 kWh, 190 hp (2022-present) engine: faults and reliability

Mercedes-Benz EQA and EQB: motores eléctricos and baterías de 69,7 a 73,9 kWh version

With caution

According to electrive, this is the version affected by the 2026 battery replacement; until it is done, Mercedes limits charging to 80%.[1][2]

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

3 sourcesHow we work

What changes in this version

Larger battery, 73.9 kWh gross (70.5 usable), with more range (up to around 563 km WLTP according to Wikipedia). It is the variant that electrive identifies as affected by the Farasis cells.[1][3]

Faults of the EQA 250+, 73.9 kWh, 190 hp (2022-present) engine

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

  1. 1Critical severityFrequency: OccasionalTraction batteryInternal short circuit in the high-voltage battery: fire risk, software update and battery replacementYes: Mercedes has launched two recalls over a possible internal short circuit in a battery cell of the EQA (and EQB), with a risk of fire. The 2025 one updated the battery software; the 2026 one plans to replace the battery. In the meantime, Mercedes recommends not charging above 80% and parking outdoors.
  2. 2Critical severityFrequency: RarePower electronicsDisplaced pyrofuse housing: possible pyrotechnic fuse failure and loss of powerIn 2024 Mercedes recalled 5,750 vehicles, including the EQA and EQB, built between 18 June and 18 July 2024: the pyrofuse housing may shift and damage cables, and the pyrofuse could fail to operate in a crash or cause a high-voltage fault with a sudden loss of power.

Cars fitted with the EQA 250+, 73.9 kWh, 190 hp (2022-present) engine

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

Mercedes-Benz

Frequently asked questions

Is the EQA 250+, 73.9 kWh, 190 hp (2022-present) engine reliable?

Our verdict is “With caution”. According to electrive, this is the version affected by the 2026 battery replacement; until it is done, Mercedes limits charging to 80%.[1][2]

What faults does the EQA 250+, 73.9 kWh, 190 hp (2022-present) engine have?

The documented ones that affect this version, by importance: internal short circuit in the high-voltage battery: fire risk, software update and battery replacement (critical severity) and displaced pyrofuse housing: possible pyrotechnic fuse failure and loss of power (critical severity).

Which cars use the EQA 250+, 73.9 kWh, 190 hp (2022-present) engine?

Mercedes-Benz EQA H243 (since 2021).[3]

Are you buying a car with the EQA 250+, 73.9 kWh, 190 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. Es probable que Mercedes sustituya las baterías de los modelos EQA y EQB en Alemaniaelectrive · Motoring press · published 17 February 2026 · consulted 30 October 2026 · in Spanish
  2. Segunda llamada a revisión de los Mercedes EQA y EQB por riesgo de incendio. Toca cambiar la bateríaAutofácil · Motoring press · published 15 April 2026 · consulted 30 October 2026 · in Spanish
  3. Mercedes-Benz EQAWikipedia · Other source · consulted 30 October 2026