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Electrical systemPart report

2024 Mercedes-Benz EQB 300 4MATIC Electrical system Problems

Complaints
5about this part
Share
63%of 8 total for the year
Median mileage
—not reported
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 5 complaints about the electrical system of the 2024 Mercedes-Benz EQB 300 4MATIC, 63% of the 8 complaints for this model year. 2 of these say a crash was involved, according to the filers. 2 recall campaigns on record are filed under a similar system.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“For two months my EQB has been signaling high voltage when I charge it also now I’m having a problem connecting the plug to charge my car it shows red light has faulty it’s at the shop for a week now and I haven’t gotten updates about my car the cameras as well are turning black not working.”

NHTSA complaint #11641571, filed 2025-02

“I was driving very slowly down a residential side street and started to pull over to the right side to park behind a car. This parking spot was on a slight incline and the curb was made up of two slanted cobblestones. After I moved in to position within about 2 ft from the car in front of me, my car quickly accelerated and slammed in to it. While I did not notice it at the time, after noticing the nature of the damage to both cars, it appeared as though the car may have tried to swerve from the curb. …”

NHTSA complaint #11772501, filed 2026-10

“I am submitting this complaint regarding a serious safety issue involving my vehicle. For an extended period of time, this vehicle has experienced recurring starting failures. On multiple occasions, the vehicle would not start, requiring service visits to the dealership. Despite repeated repair attempts, the dealership was unable to identify the root cause of the problem and typically performed only software updates. I was repeatedly informed that no specific defect could be found.Recently, the issue escalated into a much more dangerous event. …”

NHTSA complaint #11744337, filed 2026-06

Related recalls

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2024563%
20233972%
202211100%

Other parts of the 2024 Mercedes-Benz EQB 300 4MATIC

Engine
2 complaints
Other or unknown
2 complaints
Brakes
1 complaints
Forward collision avoidance
1 complaints
Fuel system
1 complaints
Vehicle speed control
1 complaints

← All problems reported for the 2024 Mercedes-Benz EQB 300 4MATIC

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology