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Electrical systemPart report

2023 Mercedes-Benz EQB 300 4MATIC Electrical system Problems

Complaints
39about this part
Share
72%of 54 total for the year
Median mileage
10,000miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 39 complaints about the electrical system of the 2023 Mercedes-Benz EQB 300 4MATIC, 72% of the 54 complaints for this model year. Where a mileage was given, the median is 10,000 miles. 4 recall campaigns on record are filed under a similar system.

Example complaints

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

“I was informed of this recall fire risk. And I contacted Mercedes dealership where I got the car. And they informed me that the battery is not available at this time. And to park the vehicle outside. I can’t do this because my charging port is located inside my garage. This is not a safe and the dealership won’t do anything about it.”

NHTSA complaint #11729553, filed 2026-04

“Spoke with MB today and was told that the new battery for this recall would be available in late 2026 and that until then I should only park outside and not charge past 80%. When asked for a loaner car until they fixed the issue I was told no. Afraid to drive and or charge”

NHTSA complaint #11726059, filed 2026-03

“Pertaining to the recall of the 2023 Mercedes Benz EQB300. There is no resolution or remedy for this recall. Currently this is my only means of transportation and I do not feel safe at all driving it. I contacted Mercedes Benz for a buyback or loaner. No one senna to be concerned. The fire risk puts me and my children life in danger. I rent my house and have renter’s insurance but a vehicle fire will not be covered if damage occurs”

NHTSA complaint #11731113, filed 2026-04

“Dear NHTSA Safety Team, I am submitting a formal safety-related complaint regarding my 2023 Mercedes-Benz EQB 250, which is currently under an active high-voltage battery recall. The recall imposes significant safety restrictions, including an 80% charging limit, a requirement to park the vehicle outside due to fire risk, and the inability to safely charge the vehicle at home. Additionally, I have been advised by my dealership that DC fast charging should not be used, further limiting the vehicle’s usability. …”

NHTSA complaint #11734681, filed 2026-04

“Sometimes we feel like sparking noise when driving from battery i dont know wat is that properly.bt my wife drives a lot she told me every time.she dnt feel safe sometimes”

NHTSA complaint #11718986, filed 2026-02

Related recalls

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2024563%
20233972%
202211100%

Other parts of the 2023 Mercedes-Benz EQB 300 4MATIC

Fuel system
9 complaintsOther or unknown
9 complaintsEngine
6 complaintsTransmission and drivetrain
5 complaintsForward collision avoidance
3 complaintsBrakes
2 complaintsAir bags
1 complaintsBack-over prevention (rear camera)
1 complaintsLane departure
1 complaintsSeat belts
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaintsWheels
1 complaints

← All problems reported for the 2023 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