2024 Mercedes-Benz EQB 300 4MATIC
Problems, Recalls & Reliability Report
Quick Summary
The 2024 Mercedes-Benz EQB 300 4MATIC has 11 owner complaints filed with NHTSA — that's 1.0x the segment average of 11. The most common issue is electrical problems (27% of all complaints), specifically: for two months my eqb has been signaling high voltage when i charge it also now i’m having a problem connecting the plug to charge my car it shows red light has faulty it’s at the shop for a week now and i haven’t gotten updates about my car the cameras as well are turning black not working.. There are 2 recalls issued for this model year.
11
Total Complaints
2
Recalls Issued
—/5
Safety Stars
1.0x
vs Segment Avg
Known Problems(top 5 of 7)
ELECTRICAL
3 complaints- • For two months my EQB has been signaling high voltage when I charge it also now I’m having a problem connecting the plug to charge my car it shows red light has faulty it’s at the shop for a week now and I haven’t gotten updates about my car the cameras as well are turning black not working.
- • On [XXX] at [XXX], while I was slowly moving my car into a parking spot, the vehicle suddenly stopped for a brief moment and then, within a second, unexpectedly accelerated forward without any input from me. The car jumped onto the pathway and collided with the glass door of the property located at
- • I am submitting this complaint regarding a serious safety issue involving my vehicle. For an extended period of time, this vehicle has experienced recurring starting failures. On multiple occasions, the vehicle would not start, requiring service visits to the dealership. Despite repeated repair atte
“For two months my EQB has been signaling high voltage when I charge it also now I’m having a problem connecting the plug to charge my car it shows red light has faulty it’s at the shop for a week now and I haven’t gotten updates about my car the cameras as well are turning black not working.”
— NHTSA complaint filing
Recalls (2)
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.
Charging Cost Calculator for 2024 Mercedes-Benz EQB 300 4MATIC
Live EIA pricesBased on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.
Estimated Insurance Cost for 2024 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
EV Incentives for 2024 Mercedes-Benz EQB 300 4MATIC
Updated 2026-07Federal Tax Credit (Section 30D) — Expired 2025-09-30
Section 30D new clean vehicle credit ($7,500 max) expired for vehicles acquired after Sept 30, 2025 per Public Law (One Big Beautiful Bill Act). Vehicles acquired on or before that date remain eligible on the buyer's 2025 return. No federal purchase credit exists for post-9/30/2025 acquisitions.
Historic eligibility: 2024 Mercedes-Benz EQB 300 4MATIC vehicles purchased on or before September 30, 2025 may still qualify for the federal credit on the 2025 tax return. Check with a tax professional for your specific vehicle's eligibility.
State-Level Incentives (Still Active in 14 States)
Source: US Department of Energy Alternative Fuels Data Center + state DOR / DEQ program pages. Program details and eligibility limits change frequently — always verify with the linked source before purchase.
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 11 owner complaints for this specific year, here's what to check or ask about:
- ☐ELECTRICAL: For two months my EQB has been signaling high voltage when I charge it also now I’m having a problem connecting the plug to charge my car it shows red light has faulty it’s at the shop for a week now and I haven’t gotten updates about my car the cameras as well are turning black not working.
Typically appears around 50K miles. Repair cost ~$500
- ☐OTHER: For two months my EQB has been signaling high voltage when I charge it also now I’m having a problem connecting the plug to charge my car it shows red light has faulty it’s at the shop for a week now and I haven’t gotten updates about my car the cameras as well are turning black not working.
Typically appears around 50K miles. Repair cost ~$500
- ☐ENGINE: My vehicle is a 2024 Mercedes-Benz EQB 300. Despite the nationwide recall (NHTSA 26V073000) for high-voltage battery fire risk, the manufacturer is providing conflicting and dangerous safety information. I was verbally instructed by dealership representatives to park my vehicle outdoors and limit ch
Typically appears around 50K miles. Repair cost ~$500
- ☐BRAKES: On [XXX] at [XXX], while I was slowly moving my car into a parking spot, the vehicle suddenly stopped for a brief moment and then, within a second, unexpectedly accelerated forward without any input from me. The car jumped onto the pathway and collided with the glass door of the property located at
Typically appears around 50K miles. Repair cost ~$500
- ☐RECALLS: Verify all 2 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 2024 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
- 11
- Recalls
- 2
- Fire reports
- 0
- Crash reports
- 3
- Injury reports
- 0
- Segment avg
- 11
Check a Specific VIN
See recalls for YOUR 2024 Mercedes-Benz EQB 300 4MATIC