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2023 Mercedes-Benz Eqb 300 4MATIC Problems and Recalls
Owners filed 54 complaints with NHTSA about the 2023 Mercedes-Benz Eqb 300 4MATIC, most often about the electrical (72% of complaints). It is the most complained-about Eqb 300 4MATIC model year since 2000 and has 4 recalls.
⚠ Safety advisory4 recalls for this car came with a park-outside warning. See below and check your VIN at nhtsa.gov/recalls.
Most common 2023 Mercedes-Benz Eqb 300 4MATIC problems
Electrical
39 complaints · 72%Parts named most often: 12v/24v/48v battery, propulsion system.
The contact owns a 2023 Mercedes-Benz eqb300. The contact stated that while driving 60 MPH, the vehicle lost automotive power and decelerated to 30 MPH. The contact drove the vehicle to a local charging station to recharge the battery; however, the vehicle failed to recharge. No warning lights were illuminated. The…
The contact leased a 2023 Mercedes-Benz Eqb 300 4MATIC. The contact stated that upon delivery of the vehicle, the contact was advised not to charge the vehicle above 80%. The contact stated that on two separate occasions, the electrical settings were reset upon starting the vehicle. The contact then received…
Other or unspecified
9 complaints · 17%Fuel system
9 complaints · 17%Engine
6 complaints · 11%Transmission
5 complaints · 9%Driver assistance
3 complaints · 6%Parts named most often: automatic emergency braking, assist.
Complaints are owner reports to NHTSA, not verified defects. One complaint can name several components, so shares add up to more than 100%.
2023 Mercedes-Benz Eqb 300 4MATIC recalls
Electrical: traction battery
Risk: A vehicle fire while parked or driving can increase the risk of injury.
Fix: 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
Full defect summary
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.
Electrical: traction battery
Risk: A vehicle fire while parked or driving can increase the risk of injury.
Fix: 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.
Full defect summary
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.
Electrical: traction battery
Risk: A loss of drive power increases the risk of a crash.
Fix: 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.
Full defect summary
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.
Electrical: traction battery
Risk: A vehicle fire while parked or driving can increase the risk of injury.
Fix: 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.
Full defect summary
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.
Recall repairs are free at any franchised dealer. Enter your VIN at nhtsa.gov/recalls to see which recalls are still open on your car.
Questions about the 2023 Mercedes-Benz Eqb 300 4MATIC
- What are the most common problems with the 2023 Mercedes-Benz Eqb 300 4MATIC?
- By NHTSA owner complaints: electrical (39 complaints); other or unspecified (9 complaints); fuel system (9 complaints).
- How many recalls does the 2023 Mercedes-Benz Eqb 300 4MATIC have?
- 4 recalls listed by NHTSA, the latest from February 6, 2026 (electrical). Check your VIN at nhtsa.gov/recalls to see which ones are still open on your car.
- Is the 2023 a bad year for the Mercedes-Benz Eqb 300 4MATIC?
- It is the most complained-about Eqb 300 4MATIC model year since 2000, with 54 complaints. Complaint counts are not adjusted for how many cars were sold, so popular years collect more of them, and the newest years have had less time to.
Other Mercedes-Benz Eqb 300 4MATIC years
- 2023