Complaints by model year
| Year | Complaints | vs. typical* | Recalls | Top problem | Verdict |
|---|---|---|---|---|---|
| 2024 | 8 | typical | 2 | Electrical | Average |
| 2023 | 54 | — | 4 | Electrical | Limited data |
| 2022 | 11 | — | 5 | Electrical | Limited data |
* Complaints compared with the median EQB300 year at the same age, so new and old years are judged fairly. How this works.
Most common Mercedes-Benz EQB300 problems
Latest Mercedes-Benz EQB300 recalls
Electrical system › Propulsion system › Traction battery
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 EQB 250+, 2022-2024 EQB 300 4MATIC, and EQB 350 4MATIC vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Also, owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the remedy has been…
Electrical system › Propulsion system › Traction battery
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 EQB 250, 2022-2023 EQB 300 4MATIC, and EQB 350 4MATIC vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Remedy: Owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the repair has been completed. Vehicles previously repaired under Recall 25V050 will need to be repaired again.
Electrical system › Propulsion system › Traction battery
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 EQB 350 4MATIC, and EQB 300 4MATIC vehicles. The bus bar in the high voltage battery may be secured with incorrect screws, which can cause the system to have a sudden loss of drive power without warning.
Remedy: Owners are advised to park outside until the recall repair is complete. Dealers will inspect and replace the high-voltage battery as necessary, free of charge.
Electrical system › Propulsion system › Traction battery
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2025 EQB 250, EQB 300 4MATIC, and EQB 350 4MATIC electric vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Remedy: Owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the repair has been completed. Dealers will update the battery management system software, free of charge.
Electrical system › Propulsion system
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 EQB 300 and EQB 350 vehicles. The welded spur gear within the front axle electric drivetrain may not have been welded properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 114, "Theft Protection."
Remedy: Dealers will replace the front axle electric drivetrain, free of charge. Owner notification letters were mailed on August 9, 2024. Owners may contact MBUSA at 1-800-367-6372. MBUSA's number for this recall is 2024060007.
Frequently asked questions
What years of the Mercedes-Benz EQB300 should you avoid?
None of the Mercedes-Benz EQB300 years has an unusually high number of complaints compared with the others at the same age.
What are the most common Mercedes-Benz EQB300 problems?
Across all years, owners report the most problems with the electrical system (55), fuel & propulsion system (13) and engine & cooling (9). Electrical complaints peak in the 2023 model year.
How many recalls has the Mercedes-Benz EQB300 had?
5 recalls across 2022–2024. The model year with the most is 2022. See all Mercedes-Benz EQB300 recalls by year.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.