2022 Mercedes-Benz EQB 300 4MATIC Problems, Recalls & Reliability
Verdict
GoodComplaint Index
33/100
#3 most-complained of 4 EQB 300 4MATIC years
The 2022 EQB 300 4MATIC has 10 NHTSA complaints, a complaint index of 33, and ranks 3rd among 4 model years, earning a 'Good' verdict relative to other EQB years. It carries 5 recalls, mostly tied to high-voltage battery fire risk.
- Complaints
- 10
- Recalls
- 5
- Crashes / fires
- 0 / 0
- Injuries / deaths
- 0 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 101
- 104 city / 98 hwy
Top 2022 Mercedes-Benz EQB 300 4MATIC problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Electrical System10 (100%)
- Fuel System3 (30%)
- Engine1 (10%)
- Transmission & Powertrain1 (10%)
What owners report
- Owners report the vehicle losing motive power and hearing a grinding noise from the rear while driving around 45 MPH, with warning lights and a battery symbol appearing.
- Several owners describe delays getting the high-voltage battery fire recall repaired, with dealers reporting parts unavailable for extended periods.
- Some owners state Mercedes-Benz gave no clear timeline for completing the recall remedy after the issue was flagged internally months earlier.
- One owner reported a prior software update for the battery fire risk was later deemed inadequate, prompting a request for a vehicle buyback.
- Another owner described the transmission intermittently failing to shift from Park to Drive, at one point immobilizing the vehicle for several hours, along with repeated unexpected charging failures.
2022 Mercedes-Benz EQB 300 4MATIC recalls
5 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 25V894000Dec 19, 2025Electrical System169 vehiclesPark Outside
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.
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. Vehicles previously repaired under Recall 25V050 will need to be repaired again. Dealers will update the battery management system software, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025120005. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on December 23, 2025.
- NHTSA 25V487000Jul 25, 2025Electrical System660 vehiclesPark Outside
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.
Risk: A loss of drive power increases the risk of a crash.
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. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years. Owner notification letters were mailed January 9, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025080004.
See all 5 recalls for the 2022 Mercedes-Benz EQB 300 4MATIC →
2022 Mercedes-Benz EQB 300 4MATIC fuel economy and fuel cost
- City
- 104 MPG
- Highway
- 98 MPG
- Combined
- 101 MPG
- Annual fuel cost (EPA)
- $750
- 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.
2022 compared with other EQB 300 4MATIC years
Frequently asked questions
- Is the 2022 Mercedes-Benz EQB 300 4MATIC reliable?
- Compared to other EQB model years, the 2022 has a 'Good' verdict, with a complaint index of 33 and 10 NHTSA complaints, ranking 3rd worst out of 4 years tracked.
- What are the most common problems with the 2022 EQB 300 4MATIC?
- NHTSA complaints show the Electrical System as the top problem area, making up 100% of complaint share, followed by the Fuel System at 30% and lesser reports on Engine and Transmission & Powertrain.
- Does the 2022 EQB 300 4MATIC have recalls?
- Yes, NHTSA lists 5 recalls for this year, most involving the high-voltage battery, which may fail internally and lead to a fire while parked or driving; several recalls advise owners to park outside.
- How does the 2022 EQB 300 4MATIC compare to the 2023 model?
- The 2023 EQB 300 4MATIC has a much higher complaint index of 100 and 54 complaints, earning an 'Avoid' verdict, compared to the 2022's index of 33 and 'Good' verdict.
- At what mileage do 2022 EQB 300 4MATIC problems typically appear?
- NHTSA data shows a median mileage at failure of 44,000 miles for the Electrical System, the top problem area for this model year.