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Fuel systemPart report

2022 Mercedes-Benz EQB 300 4MATIC Fuel system Problems

Complaints
3about this part
Share
27%of 11 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the fuel system of the 2022 Mercedes-Benz EQB 300 4MATIC, 27% of the 11 complaints for this model year.

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.

“Mercedes previously issued a software update for the battery fire risk, but we have received a letter more than a year later stating that this fix was not adequate. We pursued a vehicle buyback due to the safety risk this presents to my family, and Mercedes vehemently stated that the issue was resolved and the vehicle did not qualify. The vehicle is an inherent risk to my family's safety if it may just catch fire at any time.”

NHTSA complaint #11726005, filed 2026-03

“he vehicle intermittently fails to shift from Park (P) to Drive (D). Recently, the car was completely immobilized for over 6 hours because the gear would not engage, making it dangerous and unpredictable to drive. Additionally, the vehicle has experienced multiple charging failures where charging repeatedly cuts off unexpectedly. A formal diagnosis from Mercedes-Benz of Cary confirmed a front axle drive unit failure and high-voltage insulation faults, triggering codes U041A00 and P154800. …”

NHTSA complaint #11764845, filed 2026-09

Fuel system: other model years

YearComplaintsShare of year
2024113%
2023917%
2022327%

Other parts of the 2022 Mercedes-Benz EQB 300 4MATIC

Electrical system
11 complaints
Engine
1 complaints
Transmission and drivetrain
1 complaints

← All problems reported for the 2022 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