🚗 AutoDefect IQ

2023 Mercedes-Benz Eqs 450 4matic problems, complaints & recalls

Most-reported problem areas: Visibility/Wiper (2) · Service Brakes (1) · Fuel/Propulsion System (1)

7
Complaints
2
Recalls
125
Service bulletins
1
Crashes reported
0
Fires reported
0
Deaths

Safety recalls (2)

Back Over Prevention:warnings:external/Pedestrian Alert 2025-06-05 · campaign 25V366000 · 94 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2025 S-Class, EQE SUV, EQE, EQS SUV and EQS vehicles. Please see the recall report for a complete list of models. Software in the Acoustic Vehicle Alerting System (AVAS) may cause an incorrect external pedestrian warning sound while reversing. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 141, "Minimum Sound Requirements for Hybrid Electric Vehicles."

Risk: A vehicle that makes an incorrect sound may fail to alert pedestrians of a reversing vehicle, increasing the risk of crash.

Fix: Dealers will update the AVAS software, free of charge. Owner notification letters were mailed August 1, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025070005.

Electrical System:wiring:fuses And Circuit Breakers 2025-05-12 · campaign 25V255000 · 443 vehicles

Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 C-Class, E-Class, S-Class, SL, GLC, EQE SUV, EQE, EQS SUV, and EQS vehicles that were incorrectly repaired under recall 24V-115. An incorrect fuse box that was not designed for the vehicle may have been installed.

Risk: An incorrect fuse box can result in a sudden loss of drive power or a loss of critical safety functions such as the restraint systems or instrument cluster, increasing the risk of a crash or injury. Additionally, there could be an increased risk of a fire.

Fix: Dealers will inspect and replace the main fuse boxes, free of charge. Owner notification letters were mailed June 6, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025050003/4.

Service bulletins (125)

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.

Electrical System 2026-09-25 · OTA-Comm. Mod. SW. Update · Over The Air

a software update will be performed that provides enhancements to the robustness and system stability of the communication module. the update is free of charge and runs in the background, which takes about 8 minutes to install. during this time, the vehicle can be driven without any restrictions, an

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 2026-09-17 · LI54.30-P-080963 · Service Bulletin/Repair Instructions

complaint issue after ota update ic odometer reading blank("_ _ _ _") ic maintanence data unavailable cause ota update e61.0 remedy in the ic control unit log, please check the following information: verify whether dtcs b228229, b228287, and b226656 are present in either a or a+s. verify that status

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,

Showing the 6 most recent of 125 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-10-10 · Service Brakes

“critical safety defect: recurring automated adas sensor failure causing maximum-force phantom braking without warning or driver input. vehicle identification: 2023 mercedes-benz eqs 450 4matic suv (vin: [xxx]). chronology of latest incident: on wednesday, xxx, at approximately 7:20 a.m. mt, i was driving eastbound on [xxx]. a few yards after pa…”

2026-09-05 · Visibility/Wiper

“the center console display (mbux) on this 2023 eqs 450 4matic fails while the vehicle is in use. there is no warning lamp, chime or message first. sometimes it flickers on and off; other times it goes fully blank and stays blank, unresponsive to touch. owner video shows the display working and then completely blank 0.4 seconds later. when the scre…”

2026-05-06 · Electrical System:instrument Panel:speedometer/Odometer · 17,000 mi

“odometer fraud. the contact leased a 2023 mercedes-benz eqs 450 x4. the vehicle was a dealer sale. after returning the lease vehicle to the dealer, he was informed the odometer closure was not available during the drop-off and it would be emailed. the contact stated that the vehicle was returned with the mileage at 17,000. the inspection report als…”

2026-03-21 · Forward Collision Avoidance: Automatic Emergency Braking

“several times, the car's "panic braking" has randomly slammed the brakes and tightened the seat belt. after the first few times, i took it to mercedes and they re-uploaded software which was hard for them for some reason. it fixed the problem. luckily, i had always been on small streets. but today, the panic braking happened again, only this ti…”

2026-01-31 · Visibility/Wiper · 💥 crash

“on the date of purchase, while driving approximately 50 mph, the vehicle’s hood opened unexpectedly, obstructing my visibility and causing the vehicle to leave the roadway and enter a ditch. state police responded, and the vehicle was towed immediately. this incident presents a serious safety defect. the is vehicle is certified by mercedes benz and…”

2025-12-17 · Fuel/Propulsion System

“while the vehicle was stationary and connected to a dc fast charging station (electrify america), a thermal event occurred at the charging interface. the charging connector overheated and thermally fused (welded) to the vehicle's high-voltage charging inlet. the connector could not be released by the vehicle or the station. a technician dispatched…”

2025-12-01 · Unknown Or Other

“my panoramic sunroof shattered with no warning and no apparent impact. it exploded outward, while traveling at a high speed on the highway. it was late and there were no other vehicles on the road at the time. i was not near an overpass.…”

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

Other Mercedes-Benz Eqs 450 4matic years