🚗 AutoDefect IQ

2023 Mercedes-Benz Eqb 350 4matic problems, complaints & recalls

Most-reported problem areas: Fuel/Propulsion System (4) · Electrical System (2) · Power Train (1)

🧭 Reliability snapshot

78 /100
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Compared against other Mercedes-Benz Eqb 350 4matic model years — complaint volume vs the model's median year, recalls and severity. How we score →

10
Complaints
4
Recalls
156
Service bulletins
0
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (4)

Electrical System:propulsion System:traction Battery 2026-02-06 · campaign 26V073000 · 11,895 vehicles ⚠ PARK OUTSIDE

Defect: 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 prev

Electrical System:propulsion System:traction Battery 2025-12-19 · campaign 25V894000 · 169 vehicles ⚠ PARK OUTSIDE

Defect: 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

Electrical System:propulsion System:traction Battery 2025-07-25 · campaign 25V487000 · 660 vehicles ⚠ PARK OUTSIDE

Defect: 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 Battery 2025-02-07 · campaign 25V050000 · 12,236 vehicles ⚠ PARK OUTSIDE

Defect: 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 1-800-3

Service bulletins (156)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Steering 2026-09-26 · LI46.10-P-080896 · Service Bulletin/Repair Instructions

complaint slight creaking noises when steering. cause noises may come from one or more sleeves of the horn contact plate. remedy remove the horn contact plate and check the sleeves for noise; see attached video. if necessary, apply lubricant to the sleeves.

Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions

complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra

Electrical System 2026-09-15 · LI82.60-P-080383 · Service Bulletin/Repair Instructions

complaint radio station cover art does not refresh when switching stations. the ui continues to show the old station’s artwork instead of updating to the new one. cause when a new station change request is triggered, a temporary glitch is causing the head unit application to fail to overwrite the pr

Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions

complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,

Steering 2026-08-28 · LI46.35-P-067339 · Service Bulletin/Repair Instructions

complaint during part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. or rattling, humming, dry sliding/gravel noise from the electric steering system when steering (see attachment). complaint does not impact the ability to safely steer or control

Structure:body 2026-08-24 · LI72.20-P-075746 · Service Bulletin/Repair Instructions

complaint tailgate opens unintentionally. cause accidental or unnoticed activation of the button to open the tailgate on the vehicle key. example: when stored in trouser pocket, handbag etc. remedy as of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a res

Showing the 6 most recent of 156 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-10-22 · Fuel/Propulsion System

“vehicle: 2023 mercedes-benz eqb 350 4matic recall reference: nhtsa 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…”

2026-09-28 · Fuel/Propulsion System

“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. …”

2026-06-09 · Electrical System

“the contact owns a 2023 mercedes-benz eqb-class. the contact received notification of nhtsa 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 m…”

2026-05-07 · Fuel/Propulsion System

“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 nhtsa's website for my specific vehicle. on may 6-7, 2026 i contacted mercedes customer service three times and received confl…”

2026-04-27 · Fuel/Propulsion System

“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 fir…”

2026-04-13 · Unknown Or Other

““my 2023 mercedes-benz eqb 350 is subject to nhtsa 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 limi…”

2026-03-03 · Unknown Or Other

“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…”

2026-02-23 · Unknown Or Other

“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 nhtsa recalls 25v050000 and 25v894 for high-voltage batter…”

2026-01-13 · Power Train

“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 h…”

2025-05-12 · Electrical System

“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 nhtsa 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 r…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Mercedes-Benz Eqb 350 4matic years