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2023 Mercedes-Benz Eqb 350 4matic problems

The most common problem on the 2023 Mercedes-Benz Eqb 350 4matic is electrical system. Its complaint count is close to a typical Eqb 350 4matic model year.

Typical yearClose to a typical year
Owner complaints
10
Recalls
4
Service bulletins
156
Worst area
Electrical

The worst 2023 Mercedes-Benz Eqb 350 4matic problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

  • Electrical
    8
  • Fuel system
    6
  • Body
    1
  • Engine
    1
  • Transmission
    1

Problems by type

Tap a problem to see which part fails, at what mileage and in which other years.

  • Electrical
    8
  • Fuel system
    6
  • Body
    1
  • Engine
    1
  • Transmission
    1

Recalls 4

Electrical system: propulsion system: traction batteryReported February 6, 2026 · 11,895 vehicles affected
What is wrong
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.
Remedy
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 beginning February 13, 2026.

Recall number 26V073000 · Recall details

Electrical system: propulsion system: traction batteryReported December 19, 2025 · 169 vehicles affected
What is wrong
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.
Remedy
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 on December 23, 2025.

Recall number 25V894000 · Recall details

Electrical system: propulsion system: traction batteryReported July 25, 2025 · 660 vehicles affected
What is wrong
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.
Remedy
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.

Recall number 25V487000 · Recall details

Electrical system: propulsion system: traction batteryReported February 7, 2025 · 12,236 vehicles affected
What is wrong
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.
Remedy
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.

Recall number 25V050000 · Recall details

See all 4 recalls for the 2023 Mercedes-Benz Eqb 350 4matic

Technical service bulletins for the 2023 Mercedes-Benz Eqb 350 4matic 156

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 156 bulletins for the 2023 Mercedes-Benz Eqb 350 4matic

What 2023 Mercedes-Benz Eqb 350 4matic owners say

Most recent owner complaints, unedited.

Filed Oct 22, 2026 · Electrical, Fuel system · OH

Vehicle: 2023 Mercedes-Benz EQB 350 4MATIC Recall Reference: the federal safety agency Campaign #26V073 / High-Voltage Battery Fire Hazard My vehicle is subject to an active safety recall concerning internal high-voltage battery failure that poses a direct risk of a vehicle fire while driving or parked. The manufacturer has instructed owners to limit battery charging to a maximum of 80% and to park the vehicle outside away from structures due to fire hazards. On October 20, 2026, Mercedes-Benz USA Customer Retention Management formally notified me in writing that the estimated remedy/parts availability date for this high-voltage battery replacement is December 2026. Being forced to operate a vehicle with an active battery fire risk for over two years without a fix severely compromises the safety of my household, neighbors, and workplace. Furthermore, Mercedes-Benz USA has formally declined my request for a vehicle repurchase/buyback. I am filing this complaint to document the extreme safety risk and the unreasonable delay in providing a safety remedy.

Filed Sep 28, 2026 · Electrical, Engine · TX

My vehicle battery overheated. The dealership was unable to identify the cause. I have since learned there is a battery recall on this make and model, and I believe the recall needs to be expanded to include my vehicle and the overheating was likely caused by the battery failing.

Filed Jun 9, 2026 · Electrical · KS

The contact owns a 2023 Mercedes-Benz EQB-Class. The contact received notification of the federal safety agency Campaign Number: 25V487000 (Electrical System) however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.Â

Filed May 7, 2026 · Electrical, Fuel system · TX

My 2022 Mercedes-Benz EQB has an unresolved recall (25V487000) issued July 25, 2025 — nearly 10 months ago — with status still listed as remedy not yet available. The recall is classified as URGENT: FIRE RISK WHEN PARKED on the federal safety agency's website for my specific vehicle. On May 6-7, 2026 I contacted Mercedes customer service three times and received conflicting safety guidance. Agent 1 told me charging above 80% was acceptable and did not advise outdoor parking. Agent 2 (appointed by a manager) told me to restrict charging and park outside immediately, and escalated to buyback team. Agent 3 called back and said Agent 2 made a mistake and that no restrictions apply. My only available parking is an enclosed residential garage. I have a newborn due any day. Mercedes has failed to provide consistent written safety guidance despite an active federal fire risk classification on my vehicle. I have sent written correspondence to Mercedes Financial Services requesting clarification.

Filed Apr 27, 2026 · Fuel system · MA

This complaint documents three deficiencies in Mercedes-Benz's recall response for recalls 25V487 and 26V073. First, the BMS software update applied under 25V050 reduced my vehicle's range by approximately 20% and degraded charging performance without adequate disclosure to owners. Second, Mercedes-Benz delayed notification to U.S. owners after fires occurred in already-remediated vehicles in Europe in November 2025. Third, interim measures are inadequate, now confirmed by EVgo independently restricting affected vehicles from their DC fast charging network. A detailed complaint document is attached. Recall numbers 25V487 and 26V073. VIN [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Apr 13, 2026 · Body, Electrical · AR

“My 2023 Mercedes-Benz EQB 350 is subject to the federal safety agency recall 26V073 involving a high-voltage battery defect that may cause a fire. The manufacturer has instructed me to limit charging to 80% and to park the vehicle outside due to fire risk. This significantly reduces the vehicle’s usable range and creates safety concerns. Due to this 80% charging limitation, the vehicle no longer provides sufficient range for my daily commute and cannot be reliably used for its intended purpose. The manufacturer has stated that the permanent remedy (battery replacement) is not yet available, with an estimated timeline extending into December 2026. I opened a case with Mercedes-Benz on April 3, 2026 (Case #[XXX]), and as of today no case manager has been assigned despite multiple follow-ups. As a result, I am operating a vehicle with a known safety defect that cannot be repaired and cannot be used as intended. This represents both a safety risk and a failure to provide a timely remedy for a safety recall INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Mar 3, 2026 · NY

I am reporting a serious safety hazard involving my Mercedes‑Benz EQB 350. Drive only 1.5 year, Jan 6, 2026, the vehicle suffered an electronic failure at LaGuardia Airport and became completely inoperable. It could not shift into Drive, Reverse, or Neutral and had to be towed to Mercedes‑Benz of Huntington for warranty repair. During service, the dealer performed a wheel alignment on Jan 16, 2026 without my authorization. I had previously declined alignment recommendations because my factory alignment was excellent and my tires were wearing evenly. Within four weeks of this unauthorized alignment (under 1,000 miles), all four tires developed severe inner‑edge destruction. Both rear tires wore down to exposed steel cords, causing air leakage and creating an imminent blowout risk. The front tires also show abnormal inner‑edge wear. The remaining tread on all tires is otherwise good, which is consistent with incorrect alignment rather than normal wear. An automotive engineer confirmed this rapid structural failure is physically impossible through normal driving and is a direct result of incorrect or defective alignment parameters set during the Jan 16 service. This unauthorized and incorrect repair turned my vehicle into a safety hazard for my family. I contacted Mercedes‑Benz USA (MBUSA) immediately and provided photos, documentation, and Case # CMS 20671727. For more than 14 days, MBUSA no response. Representatives gave inconsistent and implausible explanations, including blaming the towing process, which cannot cause this pattern of wear. MBUSA repeatedly redirected me back to the same dealer that performed the unauthorized repair, a clear conflict of interest. Their handling of this case shows dishonesty and an attempt to avoid responsibility, despite clear evidence of a safety‑related defect. I request that the federal safety agency review this matter as a potential safety defect involving electronic failure, unauthorized repair, incorrect alignment, and rapid tire degradation.

Filed Feb 23, 2026 · Electrical, Fuel system · NJ

I am reporting a substantial safety defect regarding the high-voltage battery system in my 2023 Mercedes-Benz EQB 350. The vehicle suffers from a 50% loss of advertised range (real-world range of ~95 miles vs. 210 miles advertised) and severe DC fast-charging failures. My VIN is subject to the federal safety agency Recalls 25V050000 and 25V894 for high-voltage battery fire risk. Per the manufacturer's safety instructions, I have been told not to charge the vehicle above 80%, which further degrades the vehicle’s utility. Additionally, the vehicle is subject to Recall 25V487000 for sudden loss of drive power. Mercedes-Benz has failed to provide a permanent remedy that restores the vehicle's safe operating performance. The combination of fire risk, restricted charging capacity, and unpredictable power loss makes this vehicle unsafe for road use. The manufacturer has formally refused a repurchase despite these documented federal safety violations.

Filed Jan 13, 2026 · Electrical, Fuel system · MA

This safety recall is over six months old and is still unresolved. I have not felt safe driving the vehicle on the highway because of the possibility of complete power loss. I have been forced to keep paying lease payments on a car I can't drive and the manufacturer has been unresponsive. When I plug the car in to charge, all the lights in the house dim. My other EV does not do this so it must be a serious problem with this vehicle.

Filed May 12, 2025 · Electrical · FL

Dear Sir or Madam, Good day. I purchased a New 2023 Mercedes EQB [XXX] from a Dealership in Florida less than 2 years ago. This VIN is associated with the federal safety agency Recall 2025020001 25V050 Electrical System Battery Fire Risk dated February 3rd 2025. This recall is due to multiple cars spontaneously catching on fire. No cause has been identified or ruled out. Vehicle was previously serviced multiple times for Charging related issues. I spoke to the Dealership about this recall informally. They recommended against charging the car indoors. They said the part for the Recall was not yet available. While the Manufacturer recommends limiting charging in anticipation of a Remedy, no Remedy is available. They plan on providing a software patch, this could very well could be a hardware issue requiring hardware replacement. Having a recall with No Remedy for months puts this car out-of-service. Having a recall with No Remedy for months is a nonconformity. Only being able to charge to 80% is a nonconformity. Car has been out of service for months. The risk is simply too great to charge the car, store the car inside my home, or drive the car. I reached out to the Manufacturer under the Florida Lemon Law (attached) as this has exceeded a reasonable amount of time for a critical life safety repair. Thank you. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Compare the 2023 Mercedes-Benz Eqb 350 4matic

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Questions about the 2023 Mercedes-Benz Eqb 350 4matic

Is the 2023 Mercedes-Benz Eqb 350 4matic reliable?

Owners have filed 10 complaints about the 2023 Mercedes-Benz Eqb 350 4matic, close to a typical Eqb 350 4matic model year.

What is the most common problem with the 2023 Mercedes-Benz Eqb 350 4matic?

Electrical system, with 8 complaints. Next is fuel system (6).

How many recalls does the 2023 Mercedes-Benz Eqb 350 4matic have?

4 recalls, covering electrical system.

Was there a recall on the 2023 Mercedes-Benz Eqb 350 4matic electrical?

Yes, 4 recalls: 26V073000, 25V894000, 25V487000. Check your VIN to see if your car still needs the free repair.

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