2024 Mercedes-Benz EQB 300 4MATIC Problems, Recalls & Reliability
Verdict
CautionComplaint Index
67/100
#2 most-complained of 4 EQB 300 4MATIC years
The 2024 Mercedes-Benz EQB 300 4MATIC has a Complaint Index of 67, ranking 2nd worst among 4 model years, with a Caution verdict. It has 6 complaints, 2 recalls (both high-voltage battery fire risk), 1 crash, and no fires or injuries reported.
- Complaints
- 6
- Recalls
- 2
- Crashes / fires
- 1 / 0
- Injuries / deaths
- 0 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 87
- 89 city / 85 hwy
Top 2024 Mercedes-Benz EQB 300 4MATIC problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Electrical System3 (50%)
- Engine3 (50%)
- Other2 (33%)
- Brakes1 (17%)
- Collision Avoidance & Cameras1 (17%)
- Fuel System1 (17%)
What owners report
- Owners report the high-voltage battery signaling a fault during charging, sometimes with a faulty charging plug or red warning light.
- Backup cameras reportedly turn black and stop working alongside charging system faults.
- One owner described the vehicle unexpectedly accelerating forward while slowly parking, resulting in a collision.
- Owners report confusion and conflicting instructions from dealership staff about the battery fire recall, including verbal advice to park outside and limit charging to 80% without written confirmation.
- One owner reported their vehicle was excluded from the recall based on a production date change but questioned whether the underlying battery risk was fully resolved.
2024 Mercedes-Benz EQB 300 4MATIC recalls
2 NHTSA recall campaigns list this model year.
- NHTSA 26V073000Feb 6, 2026Electrical System11,895 vehiclesPark Outside
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.
Risk: A vehicle fire while parked or driving can increase the risk of injury.
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 completed. Dealers will replace the high voltage battery, free of charge. Interim letters, notifying owners of the safety risk, were mailed March 13, 2026. Additional letters will be sent once the final remedy is available. This recall replaces recalls 25V050 and 25V894. Vehicles previously repaired under recall 25V050 or 25V894 will need to have the new remedy completed. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning February 13, 2026.
- NHTSA 25V050000Feb 7, 2025Electrical System12,236 vehiclesPark Outside
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.
Risk: A vehicle fire while parked or driving can increase the risk of injury.
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. Owner notification letters were mailed on May 22, 2025. This is a phased recall. Phase 1 owner letters were mailed on May 22, 2025. Phase 2 owner letters were mailed on October 31, 2025 and Phase 3 owner letters were mailed on December 12, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025040005.
2024 Mercedes-Benz EQB 300 4MATIC fuel economy and fuel cost
- City
- 89 MPG
- Highway
- 85 MPG
- Combined
- 87 MPG
- Annual fuel cost (EPA)
- $850
- 15,000 mi/yr
- Fuel
- Electricity
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2024 compared with other EQB 300 4MATIC years
Frequently asked questions
- Is the 2024 Mercedes-Benz EQB 300 4MATIC reliable?
- NHTSA data gives the 2024 EQB 300 4MATIC a Complaint Index of 67, ranking 2nd worst of 4 model years tracked, with a Caution verdict relative to other EQB years.
- Does the 2024 EQB 300 4MATIC have any recalls?
- Yes, it has 2 recalls, both involving the Electrical System. Both concern the high-voltage battery potentially failing internally and causing a fire while parked or driving, and both advise owners to park outside away from structures.
- What is the top problem area for the 2024 EQB 300 4MATIC?
- The Electrical System is the top problem area, accounting for 3 of 6 complaints (50%), tied with the Engine, which also accounts for 3 complaints (50%).
- How does the 2024 EQB compare to other EQB model years?
- The 2023 EQB is worse, with a Complaint Index of 100 and an Avoid verdict from 54 complaints and 4 recalls. The 2022 EQB scores better at 33 with a Good verdict, and 2025 currently shows only 2 complaints and 0 recalls.