AutoDefect IQ

2024 Mercedes-Benz Eqb 300 4matic problems, complaints & recalls

Most-reported problem areas: Electrical System (2) · Vehicle Speed Control (1) · Fuel/Propulsion System (1)

🧭 Reliability snapshot

84 /100
✓ Typical or better for this model

Compared against other Mercedes-Benz Eqb 300 4matic model years — complaint volume vs the model's median year, recalls and severity. How we score →

8
Complaints
2
Recalls
142
Service bulletins
2
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (2)

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 2025-02-07 · 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 (142)

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 142 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-10-20 · Electrical System · 💥 crash

“i was driving very slowly down a residential side street and started to pull over to the right side to park behind a car. this parking spot was on a slight incline and the curb was made up of two slanted cobblestones. after i moved in to position within about 2 ft from the car in front of me, my car quickly accelerated and slammed in to it. while i…”

2026-10-12 · Electrical System

“i own a 2024 mercedes-benz eqb 300 4matic, vin [xxx], manufactured in xxx. i am requesting a formal safety review regarding nhtsa recall 26v073, involving potential high-voltage battery fires. the official nhtsa recall report lists xxx, as the last affected vehicle production date. however, page 5 states that the supplier production correction be…”

2026-06-15 · Forward Collision Avoidance: Warnings

“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 attempts, the dealership was unable to identify the ro…”

2026-03-25 · Fuel/Propulsion System

“my vehicle is not included in the current high voltage battery recall under nhtsa recall 26v073, as it has a manufacture date of 08/2024 per door jamb sticker, however, page 5 of the nhtsa report explicitly states “a change in the production procedure of our supplier ensures that this issue can no longer occur on vehicles produced from july 31, 202…”

2026-03-15 · 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 charging to 80% to avoid a fire hazard. however, whe…”

2026-02-17 · Unknown Or Other

“although i have not experienced safety issues myself, this exact model+year combination has been recalled more than once: 2024 mercedes eqb 300 4matic, and when i searched by my vin it shows recall. i’m very concerned if my car is mistakenly not included - what if it has battery issue/fire risk but i am not aware? this poses huge safety risk on day…”

2025-11-17 · Vehicle Speed Control · 💥 crash

“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 [xxx] ". i attempted to control the car using th…”

2025-02-09 · Unknown Or 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. …”

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

Other Mercedes-Benz Eqb 300 4matic years