Skip to content
MotorFiable
en

Mercedes EQA / EQB vs Stellantis e-CMP (e-208, Corsa-e, ë-C4…): which engine is more reliable?

The Mercedes EQA / EQB and the Stellantis e-CMP (e-208, Corsa-e, ë-C4…) tie on our risk index: 36/100 (moderate risk). The Mercedes EQA / EQB has 2 documented serious faults, the main one being «Internal short circuit in the high-voltage battery: fire risk, software update and battery replacement»; the Stellantis e-CMP (e-208, Corsa-e, ë-C4…) has 3 documented serious faults, the main one being «Loss of traction from a high-voltage system cut-out (‘electric traction fault’ warning)».

Risk index

Mercedes EQA / EQB

36

Moderate risk · 2 serious faults

Risk index

Stellantis e-CMP (e-208, Corsa-e, ë-C4…)

36

Moderate risk · 3 serious faults

The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated

15 sourcesHow we work

Is the Mercedes EQA / EQB reliable?

The only well-documented faults in the EQA and EQB electric drivetrain are the battery recalls for fire risk (2025 and 2026, the latter with battery replacement) and a 2024 pyrofuse check. No recurring faults have been published.[1][2][3][4]

See the 2 of the Mercedes EQA / EQB faults

Is the Stellantis e-CMP (e-208, Corsa-e, ë-C4…) reliable?

Stellantis’s electric drivetrain has no serious factory faults documented: the battery holds up well (median 94% health at 50,000 km and 90.7% at 150,000 km in the e-208 and Corsa-e), and the problems cited are the charger and several software campaigns.[5][6][7]

See the 5 of the Stellantis e-CMP (e-208, Corsa-e, ë-C4…) faults

Side-by-side comparison

Comparison of Mercedes EQA / EQB and Stellantis e-CMP (e-208, Corsa-e, ë-C4…)
Mercedes EQA / EQBStellantis e-CMP (e-208, Corsa-e, ë-C4…)
Technical data
TypeEngineEngine
FuelElectricalElectrical
Displacement——
Timing——
Power190–292 hp136–156 hp
Productionsince 2021[8]since 2019[9][10]
Reliability
Risk index (what is it?)36Moderate risk36Moderate risk
Documented faults25
Of high or critical severity23
Worst severityCritical severityCritical severity
Main faults
  1. Critical severity: Internal short circuit in the high-voltage battery: fire risk, software update and battery replacement
  2. Critical severity: Displaced pyrofuse housing: possible pyrotechnic fuse failure and loss of power
  1. High severity: Loss of traction from a high-voltage system cut-out (‘electric traction fault’ warning)
  2. High severity: Traction battery control calibration: motor cut-out from faulty readings (2022)
  3. Critical severity: Astra Electric: communication fault between control units that can make the car move backwards (2023)
Most expensive documented repairNo reliable dataNo reliable data
Which versions to buy
BuyRecommended versionsNoneNone
With cautionVersions to be cautious about
  • EQA 250, 300 4MATIC and 350 4MATIC, 69.7 kWh (2021-present)[1][2][3]
  • EQA 250+, 73.9 kWh, 190 hp (2022-present)[3][11]
AvoidVersions to avoidNoneNone

Severity of each fault: green, low; amber, medium; red, high; dark red, critical. How we rate them

Cars that each one is fitted to

Mercedes EQA / EQB

Stellantis e-CMP (e-208, Corsa-e, ë-C4…)

See the 19 models with the Stellantis e-CMP (e-208, Corsa-e, ë-C4…)

Other comparisons

With the Mercedes EQA / EQB

With the Stellantis e-CMP (e-208, Corsa-e, ë-C4…)

Compare other engines

That is the comparison you are viewing: change one of the two engines.

Sources

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

  1. Recall: Mercedes-Benz EQA (2021 - 2024) EV/Hybrid, fire (2025)car-recalls.eu · Other source · published 5 April 2025 · consulted 30 October 2026
  2. Recall: Mercedes-Benz EQA (2021 - 2024) EV/Hybrid, fire (2026)car-recalls.eu · Other source · published 8 March 2026 · consulted 30 October 2026
  3. 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
  4. Recall: Mercedes-Benz EQA (2024) electronic, injury (pirofusible)car-recalls.eu · Other source · published 25 October 2024 · consulted 30 October 2026
  5. Ni un solo eléctrico baja del 86 % de batería: 500.000 tests miden la degradación de 20 modelos a los 150.000 kmtestcoches.es · Reliability study · published 4 September 2026 · consulted 30 October 2026 · in Spanish
  6. Peugeot e-208, e-2008, DS 3 e-Tense. Un rappel de 5 761 exemplairesL'argus · Motoring press · published 20 April 2022 · consulted 30 October 2026 · in French
  7. E-Fahrzeug-Rückruf: E-Motor könnte ausfallenauto motor und sport · Motoring press · published 1 March 2023 · consulted 30 October 2026 · in German
  8. Mercedes-Benz EQAWikipedia · Other source · consulted 30 October 2026
  9. Common Modular Platform (CMP / e-CMP)Wikipedia · Other source · consulted 30 October 2026
  10. Peugeot Expert (electric versions)Wikipedia · Other source · consulted 30 October 2026
  11. 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
  12. E-Auto: Rückruf bei Opel, Peugeot, Citroën und DSGebrauchtwagenberater.de · Motoring press · published 8 June 2023 · consulted 30 October 2026 · in German
  13. Fiat 600 : fiabilité, pannes et rappels (600e)Fiches-auto.fr · Reliability study · consulted 30 October 2026 · in French
  14. Rückruf Opel Astra Electric: Kann in falsche Richtung fahrenauto motor und sport · Motoring press · published 23 November 2023 · consulted 30 October 2026 · in German
  15. Opel Astra (Astra Electric)Wikipedia · Other source · consulted 30 October 2026