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 6.1x the segment average of 11. 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 . There are 4 recalls issued for this model year.
67
Total Complaints
4
Recalls Issued
—/5
Safety Stars
6.1x
vs Segment Avg
Known Problems(top 5 of 8)
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
Recalls (4)
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.
Estimated Insurance Cost for 2023 Mercedes-Benz EQB 300 4MATIC
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Recommended Mercedes-Benz EQB 300 4MATIC Service Intervals
Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).
"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.
Mercedes-Benz New-Vehicle Warranty Coverage
EQ EV battery warranty is 10 years/155,000 miles
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
- ☐RECALLS: Verify all 4 recalls have been completed — free at any Mercedes-Benz dealer
- ☐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
- 4
- Fire reports
- 0
- Crash reports
- 1
- Injury reports
- 0
- Segment avg
- 11
Check a Specific VIN
See recalls for YOUR 2023 Mercedes-Benz EQB 300 4MATIC