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Mercedes-Benz · Compact SUV · 2021–2026

Mercedes-Benz EQB X243

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 1 engine variants

Engine Overview

The Mercedes-Benz EQB X243 is available with 3 engine variants — from 190 to 292 hp.

EQB 250+ · Elektro· 190 PS
2021 2026
Be Careful 5 weaknesses
Show all weaknesses →
EQB 300 4MATIC · Elektro· 228 PS
2021 2026
Be Careful 5 weaknesses
Show all weaknesses →
EQB 350 4MATIC · Elektro· 292 PS
2021 2026
Be Careful 5 weaknesses
Show all weaknesses →

The Mercedes-Benz EQB 250+ (Elektro, 190 PS) has the EQB-EM (Elektro) — rated: "Be Careful", 5 known weaknesses.

The Mercedes-Benz EQB 300 4MATIC (Elektro, 228 PS) has the EQB-EM (Elektro) — rated: "Be Careful", 5 known weaknesses.

The Mercedes-Benz EQB 350 4MATIC (Elektro, 292 PS) has the EQB-EM (Elektro) — rated: "Be Careful", 5 known weaknesses.

Vehicle Weaknesses

WeaknessCost
●Charge Port Lock Defective

The electric charge port lock no longer works reliably. Connector is not latched or cannot be removed.

Symptoms: Charging cable cannot be inserted/removed, charging fault message
from 30,000 km
Ad EQB Charge FlapX243 charge port lock
 Low
NHTSA Owner Complaints
Average
49 complaints · 2021–2026
Electrical
34 ⚠ 3
Other
12
Fuel System
8
Brakes
3 ⚠ 2
Engine
2

Top Reported Issues

⚠ Electrical (34 complaints)
⚠ Other (12 complaints)
⚠ Fuel System (8 complaints)
Source: NHTSA (nhtsa.gov) · 2026-03

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Known Problems and Issues

A total of 11 weaknesses have been documented for the Mercedes-Benz EQB X243 (2021–2026) — 5 engine-related and 6 vehicle-related. Typical issues affect Electronics, HVAC, Other, Body.

EQB (EQB-EM, 2021–2026) — Be Careful: Farasis Battery Fire Risk — Joint Recall with EQA, HV Battery — Charging Abort with Drivetrain Error, Battery Cooling System — Power Throttling. Power: 190 PS.

EQB (EQB-EM, 2021–2026) — Be Careful: Farasis Battery Fire Risk — Joint Recall with EQA, HV Battery — Charging Abort with Drivetrain Error, Battery Cooling System — Power Throttling. Power: 228 PS.

EQB (EQB-EM, 2021–2026) — Be Careful: Farasis Battery Fire Risk — Joint Recall with EQA, HV Battery — Charging Abort with Drivetrain Error, Battery Cooling System — Power Throttling. Power: 292 PS.

What to watch out for with the Mercedes-Benz EQB? 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 EQB X243 have? +
The Mercedes-Benz EQB X243 has 5 known engine weaknesses and 6 vehicle weaknesses.
What should I look for when buying a used Mercedes-Benz EQB X243? +
faq.watch_a_none
Which engine is recommended? +
Be careful: EQB-EM (Elektro). No engine is rated 'Good Choice'. The most fun to drive is the EQB-EM (Elektro).
Which Mercedes-Benz EQB X243 engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Mercedes-Benz EQB X243 — rated: "Not Really". {description} 140 kW electric motor — adequate for everyday use, nothing more.
Is the Mercedes-Benz EQB X243 worth buying used? +
The Mercedes-Benz EQB X243 requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Mercedes-Benz EQB X243? +
The Mercedes-Benz EQB X243 is available with engine variants from 190 to 292 hp.

Last updated: February 2026 · All information without guarantee