2023 Mercedes-Benz EQB 300 4MATIC Problems, Complaints & Recalls
- Compared with other EQB 300 4MATIC years
- Far more complaints than other years 1st of 4 for complaints
- Safety recalls
- 4 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 54 complaints with NHTSA about the 2023 Mercedes-Benz EQB 300 4MATIC. That is the most of any EQB 300 4MATIC model year in the database (4 years). The most reported problem area is electrical system (39 complaints, 72%), typically at around 10,000 miles. Complaints mention 1 crash. There are 4 safety recalls covering this model year.
- 54owner complaints
- 4safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2023 Mercedes-Benz EQB 300 4MATIC problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Electrical System | 39 | 72% | 10,000 | — | — |
| Fuel/propulsion System | 9 | 17% | — | — | — |
| Unknown or Other | 9 | 17% | — | — | — |
| Engine | 6 | 11% | — | — | — |
| Power Train | 5 | 9% | — | — | — |
| Forward Collision Avoidance | 3 | 6% | — | — | — |
| Service Brakes | 2 | 4% | 20,000 | — | — |
| Air Bags | 1 | 2% | — | — | — |
| Back Over Prevention | 1 | 2% | — | — | — |
| Lane Departure | 1 | 2% | — | — | — |
| Seat Belts | 1 | 2% | — | — | — |
| Visibility/wiper | 1 | 2% | — | — | — |
| Wheels | 1 | 2% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2023 Mercedes-Benz EQB 300 4MATIC recalls (4)
Tap a recall to see the problem, the risk and the fix.
Electrical system:propulsion system:traction batteryPark outside
Problem: 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.
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 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.
Electrical system:propulsion system:traction batteryPark outside
Problem: 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.
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.
Electrical system:propulsion system:traction batteryPark outside
Problem: 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.
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.
Electrical system:propulsion system:traction batteryPark outside
Problem: 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.
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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
I own a 2023 Mercedes-Benz EQB 300 4MATIC. My vehicle has multiple unresolved high-voltage battery safety recalls. Recall 25V050/MBUSA campaign [redacted] concerns a potential internal battery-cell short circuit and fire risk. I had the BMS software update performed, but Mercedes later issued…
I am the owner of a 2023 Mercedes-Benz EQB that has been identified as being affected by the current high-voltage battery safety recall. I recently contacted my authorized Mercedes-Benz dealer regarding the recall and was informed that the recall is currently pending for my vehicle and that the…
The affected component is the high-voltage traction battery and related battery management and bus-bar connection systems. My vehicle is available for inspection upon request. I am reporting a safety concern because my vehicle is subject to NHTSA Recall 25V050, which identifies a risk that the…
Vehicle: 2023 MercedesâBenz EQB VIN: [XXX] MBUSA Case #: XXX NHTSA Recall #: 26V073000 MercedesâBenz USA has mishandled recall 26V073000 (fire hazard) and left me without transportation. I was told the vehicle is unsafe to drive, which has caused significant anxiety, panic attacks, and ongoing…
See attached document for complaint.
Other Mercedes-Benz EQB 300 4MATIC years
← 2022 EQB 300 4MATIC · 2024 EQB 300 4MATIC →
| Year | Complaints | Recalls |
|---|---|---|
| 2025 EQB 300 4MATIC | 2 | 0 |
| 2024 EQB 300 4MATIC | 7 | 2 |
| 2023 | 54 | 4 |
| 2022 EQB 300 4MATIC | 11 | 5 |
See all Mercedes-Benz EQB 300 4MATIC problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2023 Mercedes-Benz EQB 300 4MATIC?
Owners most often report electrical system, fuel/propulsion system, unknown or other problems. The top one, electrical system, accounts for 39 complaints.
Was there a recall on the 2023 Mercedes-Benz EQB 300 4MATIC?
Yes, 4 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2023 Mercedes-Benz EQB 300 4MATIC a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other EQB 300 4MATIC model years, the 2023 has far more complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.