2023 Mercedes-Benz EQB 300 4MATIC
Problems, Recalls & Reliability Report
Quick Summary
The 2023 Mercedes-Benz EQB 300 4MATIC has 67 owner complaints filed with NHTSA — that's 0.8x the segment average of 80. The most common issue is electrical problems (48% of all complaints), specifically: 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 .
67
Total Complaints
0
Recalls Issued
—/5
Safety Stars
0.8x
vs Segment Avg
Known Problems
ELECTRICAL
32 complaints- • 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
- • The EQB is advertised by Mercedes of having a range of 232 to 260 miles. The actual range currently is 145 miles, far less than what Mercedes advertises. I understand winter charging decrease range but not by 38 percent. That’s not acceptable. There are 4 EV’s at my dealer today all complaining
- • The contact owns a 2023 Mercedes-Benz EQB 300 4Matic. The contact received notification of NHTSA Campaign Number: 25V050000 (Electrical System); however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact stated that the manufacturer had exceeded a re
“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 ”
— NHTSA complaint filing
FUEL SYSTEM
8 complaints- • Mercedes performed a recall and stated the charging would increase only by 10-15 minutes. For my vehicle it is now exceeding 30-45 minutes to get to the same state of charge at a fast charger such as electrify America. Mercedes refuses to do anything about this, instead they want me to drive around
- • In December 2024, I brought my 2023 Mercedes-Benz EQB to Mercedes-Benz Beverly Hills for scheduled service. They told me the vehicle had a recall and booked me for a future appointment, but I was unable to attend because I was out of town. I called the dealer multiple times afterwards to reschedule,
- • My 2023 Mercedes-Benz EQB 300 (VIN [XXX] ) is subject to a high-voltage battery safety recall involving a risk of internal short circuit and fire. Mercedes-Benz has acknowledged that the battery pack in affected vehicles can fail at high state of charge and may cause a thermal event while driving or
“Mercedes performed a recall and stated the charging would increase only by 10-15 minutes. For my vehicle it is now exceeding 30-45 minutes to get to the same state of charge at a fast charger such as electrify America. Mercedes refuses to do anything about this, instead they want me to drive around ”
— NHTSA complaint filing
OTHER
7 complaints- • There is a reflective chrome accent on the dashboard of the EQB 300 that reflects sunlight directly into the drivers eyes when the car is oriented in certain directions at certain times of day. The light is blinding and impacts the ability of the driver to see the road and respond appropriately. I n
- • When driving above 40 mph, I have experienced seemingly random brakes, which most likely is due to the automatic emergency braking system. I have seen it work properly when a car cuts me off in traffic, which it makes sense then. But in several instances, it's pumped the brakes when there is no
- • On October 8, 2025 the sunroof exploded from within while driving. There was no external force involved. It sounded like a gunshot going off in the car. My wife and I looked at each other expecting to see blood, but fortunately, there was none. We were both quite shook up. Upon inspection the r
“There is a reflective chrome accent on the dashboard of the EQB 300 that reflects sunlight directly into the drivers eyes when the car is oriented in certain directions at certain times of day. The light is blinding and impacts the ability of the driver to see the road and respond appropriately. I n”
— NHTSA complaint filing
DRIVER ASSIST/CAMERAS
5 complaints- • We were driving along a 4 lane state road and the car suddenly applied the brakes hard and swerved to the right. A light blinked on the dash with a picture of the car and a red line on the right hand side. No cars were in the next lane over and there were no issues with the roadway. I was driving st
- • We were driving along a 4 lane state road and the car suddenly applied the brakes hard and swerved to the right. A light blinked on the dash with a picture of the car and a red line on the right hand side. No cars were in the next lane over and there were no issues with the roadway. I was driving st
- • When driving above 40 mph, I have experienced seemingly random brakes, which most likely is due to the automatic emergency braking system. I have seen it work properly when a car cuts me off in traffic, which it makes sense then. But in several instances, it's pumped the brakes when there is no
“We were driving along a 4 lane state road and the car suddenly applied the brakes hard and swerved to the right. A light blinked on the dash with a picture of the car and a red line on the right hand side. No cars were in the next lane over and there were no issues with the roadway. I was driving st”
— NHTSA complaint filing
ENGINE
5 complaints- • Spoke with MB today and was told that the new battery for this recall would be available in late 2026 and that until then I should only park outside and not charge past 80%. When asked for a loaner car until they fixed the issue I was told no. Afraid to drive and or charge
- • The vehicle experienced multiple electrical and safety-related malfunctions while driving. On several occasions the instrument cluster and vehicle screens suddenly went black while the vehicle was in motion, causing loss of critical driving information such as speed and warnings. In another incide
- • COMPONENT/SYSTEM: High-voltage battery system (traction battery). The vehicle is subject to a manufacturer recall for risk of internal short circuit and potential thermal event. The vehicle and battery are available for inspection upon request. SAFETY RISK: According to the manufacturer and dealer,
“Spoke with MB today and was told that the new battery for this recall would be available in late 2026 and that until then I should only park outside and not charge past 80%. When asked for a loaner car until they fixed the issue I was told no. Afraid to drive and or charge”
— NHTSA complaint filing
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 67 owner complaints for this specific year, here's what to check or ask about:
- ☐ELECTRICAL: 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
Typically appears around 50K miles. Repair cost ~$500
- ☐FUEL SYSTEM: Mercedes performed a recall and stated the charging would increase only by 10-15 minutes. For my vehicle it is now exceeding 30-45 minutes to get to the same state of charge at a fast charger such as electrify America. Mercedes refuses to do anything about this, instead they want me to drive around
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: There is a reflective chrome accent on the dashboard of the EQB 300 that reflects sunlight directly into the drivers eyes when the car is oriented in certain directions at certain times of day. The light is blinding and impacts the ability of the driver to see the road and respond appropriately. I n
Typically appears around 50K miles. Repair cost ~$500
- ☐DRIVER ASSIST/CAMERAS: We were driving along a 4 lane state road and the car suddenly applied the brakes hard and swerved to the right. A light blinked on the dash with a picture of the car and a red line on the right hand side. No cars were in the next lane over and there were no issues with the roadway. I was driving st
Typically appears around 50K miles. Repair cost ~$500
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Mercedes-Benz EQB 300 4MATIC — Year Comparison
How does 2023 compare to other years? Fewer complaints = more reliable.
Full years-to-avoid analysis →NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 67
- Recalls
- 0
- Fire reports
- 0
- Crash reports
- 1
- Injury reports
- 0
- Segment avg
- 80
Check a Specific VIN
See recalls for YOUR 2023 Mercedes-Benz EQB 300 4MATIC