Mercedes-Benz EQA H243
Weaknesses, engine ratings and buying advice
Engine Overview
The Mercedes-Benz EQA H243 is available with 3 engine variants — from 190 to 292 hp.
The Mercedes-Benz EQA 250 (Elektro, 190 PS) has the EQA-EM (Elektro) — rated: "Stay Away!", 5 known weaknesses.
The Mercedes-Benz EQA 300 4MATIC (Elektro, 228 PS) has the EQA-EM (Elektro) — rated: "Stay Away!", 5 known weaknesses.
The Mercedes-Benz EQA 350 4MATIC (Elektro, 292 PS) has the EQA-EM (Elektro) — rated: "Stay Away!", 5 known weaknesses.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| AC/DC Charging Interruptions and Fault Messages Frequent charging interruptions independent of charge point or cable. During AC charging the session drops after 5–6% state of charge. On-board charger sometimes needs replacement. Symptoms: Charging stops after a short time, fault message at charge point, charging rate drops below 6 kW. from 20,000 km | High | |
| Drivetrain Fault Message Sporadic warning messages 'Drivetrain fault'. Cause often an MBUX software or HV battery management bug. Symptoms: Drivetrain fault warning, vehicle runs with reduced power; fault disappears after restart. from 30,000 km | Low | |
| Drivetrain Vibrations from 60 km/h EQA vehicles from production from February 2022 show vibrations (droning) from 60 km/h that intensify up to 110 km/h. Cause unclear; workshop often cannot reproduce the issue. Symptoms: Droning or vibration through the floor from 60 km/h, stronger at 100–110 km/h, especially at constant speed from 15,000 km | High | |
| 12V Battery Discharges During Standstill The 12V onboard battery discharges during extended standstill through networked control units. Software update reduces the problem. Symptoms: Vehicle cannot be unlocked/started after several days standing from 20,000 km | Low |
Alternatives
Smart #3 HX31
Kompakt-SUV (2024–2026)
VW Tiguan III
Kompakt-SUV (2024–2026)
Fiat 600e 600
Kompakt-SUV (2023–2026)
Hyundai Kona SX2
Kompakt-SUV (2023–2026)
Smart #1 HX11
Kompakt-SUV (2023–2026)
Volvo EX30 I
Kompakt-SUV (2023–2026)
Known Problems and Issues
A total of 11 weaknesses have been documented for the Mercedes-Benz EQA H243 (2021–2026) — 5 engine-related and 6 vehicle-related. One problem engine: EQA-EM (Elektro). Typical issues affect Electronics, Interior, Other.
EQA (EQA-EM, 2021–2026) — Stay Away!: Farasis Battery Fire Risk (Recall 16136R), HV Battery Contactor Switches With Delay, 12V Battery — Discharge During Standstill. Power: 190 PS.
EQA (EQA-EM, 2021–2026) — Stay Away!: Farasis Battery Fire Risk (Recall 16136R), HV Battery Contactor Switches With Delay, 12V Battery — Discharge During Standstill. Power: 228 PS.
EQA (EQA-EM, 2021–2026) — Stay Away!: Farasis Battery Fire Risk (Recall 16136R), HV Battery Contactor Switches With Delay, 12V Battery — Discharge During Standstill. Power: 292 PS.
What to watch out for with the Mercedes-Benz EQA? See the detailed listing of all engine and vehicle weaknesses in the sections above.
Frequently Asked Questions
What problems and weaknesses does the Mercedes-Benz EQA H243 have? +
What should I look for when buying a used Mercedes-Benz EQA H243? +
Which engine is recommended? +
Which Mercedes-Benz EQA H243 engine is the most fun? +
Is the Mercedes-Benz EQA H243 worth buying used? +
What horsepower variants are available for the Mercedes-Benz EQA H243? +
Last updated: February 2026 · All information without guarantee