2022 Mercedes-Benz EQB 300 4MATIC problems, complaints & recalls

Updated from NHTSA data · How we count

Owners have filed 11 complaints with NHTSA about the 2022 Mercedes-Benz EQB 300 4MATIC, most often about electrical system. There are 5 recalls for this model year.

Complaints
11
Recalls
5
Crashes
0
Fires
0
Injuries
0
Median mileage
41,000 mi
at time of problem

Safety warning: at least one recall for this vehicle tells owners to park outside until it is repaired. Check your VIN at nhtsa.gov/recalls.

Key facts

  • Electrical System is the most-reported problem area, named in 11 of 11 complaints (100%).
  • Fuel, Hybrid & EV Propulsion (3) and transmission & drivetrain (1) follow.
  • Half of the complaints that list mileage happened before 41,000 mi.
  • The 2022 Mercedes-Benz EQB 300 4MATIC has 5 recalls on file.
  • It ranks 2nd of 4 Mercedes-Benz EQB 300 4MATIC model years by our severity-weighted complaint score (1st = worst).

2022 Mercedes-Benz EQB 300 4MATIC problems by category

  • Electrical System
    11 complaints
  • Fuel, Hybrid & EV Propulsion
    3 complaints
  • Transmission & Drivetrain
    1 complaints
  • Engine
    1 complaints

A complaint can mention more than one problem area, so categories add up to more than the total.

Most-reported components

Component (as filed with NHTSA)Complaints
Electrical system10
Fuel/propulsion system3
Electrical system:propulsion system:traction battery1
Engine1
Power train1

When problems happen (mileage)

Under 10k110k–30k230k–60k60k–100k1100k–150k150k+
Mileage at the time of the problem, for 2022 Mercedes-Benz EQB 300 4MATIC complaints that list mileage.

2022 Mercedes-Benz EQB 300 4MATIC recalls (5)

  • Recall 26V073000Feb 6, 202611,895 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.

  • Recall 25V894000Dec 19, 2025169 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.

  • Recall 25V487000Jul 25, 2025660 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.

  • Recall 25V050000Feb 7, 202512,236 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.

  • Recall 24V331000May 10, 2024283 vehicles
    ELECTRICAL SYSTEM:PROPULSION SYSTEM · POWER TRAIN

    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."

    Risk: An improperly welded spur gear can fail and result in a vehicle rollaway, increasing the risk of a crash.

    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.

Recent 2022 Mercedes-Benz EQB 300 4MATIC complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

  1. Filed Oct 2, 202638,000 miILElectrical System
    The contact owns a 2022 Mercedes-Benz EQB 300 4Matic. The contact received notification of NHTSA Campaign Number: 26V073000 (Electrical System); however, the part to do the recall repair was not yet available. The contact stated that the EV battery warning light was constantly illuminated. The vehicle was taken to two dealers, including Napleton Autowerks of Indiana (1349 Indianapolis Blvd, Schererville, IN 46375), who confirmed that the parts were not yet available. The…
    NHTSA complaint #11768519 · source
  2. Filed Sep 22, 202619,489 miCAElectrical System
    The contact owns a 2022 Mercedes-Benz EQB 300 4MATIC. The contact stated that while his son was driving 28 MPH and depressing the accelerator pedal and making a right turn, the battery message was displayed and the vehicle decelerated. The vehicle was pulled over to the right side of the road, and the contact selected the option on the radio, and the message disappeared immediately. The contact continued driving and then reversed, and the message was displayed again, and the…
    NHTSA complaint #11766221 · source
  3. Filed Sep 16, 2026NCElectrical SystemFuel, Hybrid & EV PropulsionTransmission & Drivetrain
    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…
    NHTSA complaint #11764845 · source
  4. Filed Jun 3, 2026MDElectrical System
    The contact owns a 2022 Mercedes-Benz EQB 300. The contact received notification of NHTSA Campaign Number 26V073000 (Electrical System); however, the part to do the recall repair was not yet available. The local dealer was contacted; however the vehicle was not diagnosed or repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.
    NHTSA complaint #11741759 · source
  5. Filed May 16, 2026WAElectrical System
    This urgent safety issue with the high voltage battery on the 2022 Mercedes EQB has been known to Mercedes since at least July 2025. As of May 15, mercedes tells me I will have a repair scheduled by December 30, 2026. They offer no explanation for the delay. This is unreasonable and unacceptable. I am requesting that the NHSTA inform Mercedes that they must do better to eliminate this known fire hazard, and inform me of the penalties you can impose on Meercedes if they do…
    NHTSA complaint #11738333 · source
  6. Filed Apr 22, 2026NJElectrical SystemFuel, Hybrid & EV Propulsion
    Mercedes-Benz is taking 6 to 8 months to replace the high-voltage battery due to the recall mentioned below. Even after an 8-month wait, no guaranteed ETA is provided to resolve the issue. Manufacturer Recall Number2026020004 NHTSA Recall Number26V073 Recall StatusRecall Incomplete, remedy not yet available Summary Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year ("MY") 2022-2024 EQB (243 platform) vehicles, a…
    NHTSA complaint #11732935 · source
  7. Filed Apr 9, 202644,000 miGAElectrical System
    The contact owns a 2022 Mercedes-Benz EQB 300 4Matic. The contact received notification of NHTSA Campaign Number: 26V073000 (ELECTRICAL SYSTEM); however, the part to do the recall repair was not yet available. The local dealer was contacted and confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact stated that the battery…
    NHTSA complaint #11730199 · source
  8. Filed Mar 31, 2026WAElectrical System
    We are currently under NHTSA Recall ID: 26V073 and Mercedes-Benz has not given us a reasonable timeline with which they intend to remedy the recall. We are currently unable to drive the car safely and unable to park the car safely without the risk of fire. To not have any answers as to when this recall will be remedied is unacceptable.
    NHTSA complaint #11728360 · source

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology