Mercedes EQA / EQB vs Renault 5 E-Tech (AmpR Small): which engine is more reliable?
According to our risk index, the Mercedes EQA / EQB carries less risk than the Renault 5 E-Tech (AmpR Small): 36/100 versus 38/100 (both 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 Renault 5 E-Tech (AmpR Small) has 1 documented serious fault, the main one being «Anode delamination in 52 kWh battery cells (2026 campaign)».
The index (0–100) weights the severity and frequency of the three most serious documented faults. How it is calculated
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 faultsIs the Renault 5 E-Tech (AmpR Small) reliable?
2024 drivetrain with little data: Fiches-auto.fr has only 11 owner reports, and the official issues are an inverter reprogramming (0EN5, around 15,700 cars from 2024) and a campaign over defective cells in the 52 kWh battery from December 2025 to January 2026. There is no longevity data.[5][6][7]
See the 3 of the Renault 5 E-Tech (AmpR Small) faultsSide-by-side comparison
| Item | Mercedes EQA / EQB | Renault 5 E-Tech (AmpR Small) |
|---|---|---|
| Technical data | ||
| Type | Engine | Engine |
| Fuel | Electrical | Electrical |
| Displacement | — | — |
| Timing | — | — |
| Power | 190–292 hp | 95–150 hp |
| Production | since 2021[8] | since 2024[5][9] |
| Reliability | ||
| Risk index (what is it?) | 36Moderate risk | 38Moderate risk |
| Documented faults | 2 | 3 |
| Of high or critical severity | 2 | 1 |
| Worst severity | Critical severity | Critical severity |
| Main faults |
| |
| Most expensive documented repair | No reliable data | No reliable data |
| Which versions to buy | ||
| BuyRecommended versions | None | None |
| With cautionVersions to be cautious about | ||
| AvoidVersions to avoid | None | None |
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
Renault 5 E-Tech (AmpR Small)
Other comparisons
With the Mercedes EQA / EQB
- Mercedes EQA / EQB vs Audi e-tron / Q8 e-tron
- Mercedes EQA / EQB vs BMW eDrive de 5.ª generación (iX3, i4, iX)
- Mercedes EQA / EQB vs BMW i3 / Mini Cooper SE
- Mercedes EQA / EQB vs Dacia Spring
- Mercedes EQA / EQB vs Fiat 500e
- Mercedes EQA / EQB vs Ford Mustang Mach-E
- Mercedes EQA / EQB vs Hyundai-Kia E-GMP (Ioniq 5, Ioniq 6, EV6)
- Mercedes EQA / EQB vs Hyundai-Kia eléctrico (Ioniq, Kona, e-Niro, Soul EV)
- Mercedes EQA / EQB vs Mazda MX-30 e-Skyactiv
- Mercedes EQA / EQB vs Mercedes EQC
- Mercedes EQA / EQB vs MG eléctrico (MG4, ZS EV, Marvel R)
- Mercedes EQA / EQB vs Nissan Leaf and e-NV200
- Mercedes EQA / EQB vs Porsche Taycan
- Mercedes EQA / EQB vs Renault-Nissan CMF-EV (Mégane E-Tech, Ariya)
- Mercedes EQA / EQB vs Renault Zoe
- Mercedes EQA / EQB vs Stellantis e-CMP (e-208, Corsa-e, ë-C4…)
- Mercedes EQA / EQB vs Tesla Model 3 / Model Y
- Mercedes EQA / EQB vs Tesla Model S / Model X
- Mercedes EQA / EQB vs Toyota bZ4X
- Mercedes EQA / EQB vs Volvo EX30
- Mercedes EQA / EQB vs Volvo-Polestar CMA eléctrico (Polestar 2, C40, XC40)
- Mercedes EQA / EQB vs VW e-up! / Škoda Citigo e iV / Seat Mii electric
- Mercedes EQA / EQB vs MEB (ID.3, ID.4, ID.7, ID.Buzz, Enyaq, Born, Q4 e-tron)
With the Renault 5 E-Tech (AmpR Small)
- Renault 5 E-Tech (AmpR Small) vs Audi e-tron / Q8 e-tron
- Renault 5 E-Tech (AmpR Small) vs BMW eDrive de 5.ª generación (iX3, i4, iX)
- Renault 5 E-Tech (AmpR Small) vs BMW i3 / Mini Cooper SE
- Renault 5 E-Tech (AmpR Small) vs Dacia Spring
- Renault 5 E-Tech (AmpR Small) vs Fiat 500e
- Renault 5 E-Tech (AmpR Small) vs Ford Mustang Mach-E
- Renault 5 E-Tech (AmpR Small) vs Hyundai-Kia E-GMP (Ioniq 5, Ioniq 6, EV6)
- Renault 5 E-Tech (AmpR Small) vs Hyundai-Kia eléctrico (Ioniq, Kona, e-Niro, Soul EV)
- Renault 5 E-Tech (AmpR Small) vs Mazda MX-30 e-Skyactiv
- Renault 5 E-Tech (AmpR Small) vs Mercedes EQC
- Renault 5 E-Tech (AmpR Small) vs MG eléctrico (MG4, ZS EV, Marvel R)
- Renault 5 E-Tech (AmpR Small) vs Nissan Leaf and e-NV200
- Renault 5 E-Tech (AmpR Small) vs Porsche Taycan
- Renault 5 E-Tech (AmpR Small) vs Renault-Nissan CMF-EV (Mégane E-Tech, Ariya)
- Renault 5 E-Tech (AmpR Small) vs Renault Zoe
- Renault 5 E-Tech (AmpR Small) vs Stellantis e-CMP (e-208, Corsa-e, ë-C4…)
- Renault 5 E-Tech (AmpR Small) vs Tesla Model 3 / Model Y
- Renault 5 E-Tech (AmpR Small) vs Tesla Model S / Model X
- Renault 5 E-Tech (AmpR Small) vs Toyota bZ4X
- Renault 5 E-Tech (AmpR Small) vs Volvo EX30
- Renault 5 E-Tech (AmpR Small) vs Volvo-Polestar CMA eléctrico (Polestar 2, C40, XC40)
- Renault 5 E-Tech (AmpR Small) vs VW e-up! / Škoda Citigo e iV / Seat Mii electric
- Renault 5 E-Tech (AmpR Small) vs MEB (ID.3, ID.4, ID.7, ID.Buzz, Enyaq, Born, Q4 e-tron)
Compare other engines
Sources
Every fact on this page links to its source. If you find an error, let us know.
- Recall: Mercedes-Benz EQA (2021 - 2024) EV/Hybrid, fire (2025)car-recalls.eu · Other source · published 5 April 2025 · consulted 30 October 2026
- Recall: Mercedes-Benz EQA (2021 - 2024) EV/Hybrid, fire (2026)car-recalls.eu · Other source · published 8 March 2026 · consulted 30 October 2026
- 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
- Recall: Mercedes-Benz EQA (2024) electronic, injury (pirofusible)car-recalls.eu · Other source · published 25 October 2024 · consulted 30 October 2026
- Fiabilité Renault R5 E-tech (2024) (11 témoignages)Fiches-auto.fr · Reliability study · consulted 30 October 2026 · in French
- Grosse alerte chez Renault : 16 000 véhicules rappelés en urgenceL'Automobiliste · General press · published 5 March 2025 · consulted 30 October 2026 · in French
- Rappel Renault 5 et R4 E-Tech : 19 véhicules concernés en France pour un risque de batterieMotorsActu · Motoring press · published 21 March 2026 · consulted 30 October 2026 · in French
- Mercedes-Benz EQAWikipedia · Other source · consulted 30 October 2026
- Renault 5 E-TechWikipedia (en) · Other source · consulted 30 October 2026
- 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