2023 Mercedes-Benz Eqs450 Problems, Recalls & Reliability
Verdict
No verdictComplaint Index
100/100
#1 most-complained of 3 Eqs450 years
The 2023 Mercedes-Benz Eqs450 has 28 NHTSA complaints and 6 recalls, with a Complaint Index of 100, ranking worst of the 3 model years covered. Phantom braking tied to Collision Avoidance & Cameras (61% of complaints) is the top issue.
- Complaints
- 28
- Recalls
- 6
- Crashes / fires
- 2 / 0
- Injuries / deaths
- 6 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 85
- 87 city / 83 hwy
Top 2023 Mercedes-Benz Eqs450 problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Collision Avoidance & Cameras17 (61%)
- Brakes11 (39%)
- Electrical System9 (32%)
- Other3 (11%)
- Engine2 (7%)
- Structure & Body2 (7%)
- Fuel System1 (4%)
- Lane Departure1 (4%)
- Suspension, Wheels & Tires1 (4%)
- Transmission & Powertrain1 (4%)
What owners report
- Owners report sudden hard automatic braking (phantom braking) at highway and city speeds with no vehicle or obstacle nearby.
- Some phantom-braking events happened at speeds around 30 to 45 mph and included a loud beep or jolt felt by passengers.
- One owner reported the vehicle drifted or surged forward during a low-speed turn, striking a fire hydrant, pole, and tree, deploying airbags.
- An owner described the vehicle unexpectedly reducing speed from 70 mph to 30 mph while cruise control was engaged on the highway.
- One report noted the EQS SUV lacks a secondary hood latch safety release, unlike the twin-latch design typically used.
2023 Mercedes-Benz Eqs450 recalls
6 NHTSA recall campaigns list this model year.
- NHTSA 25V366000Jun 5, 2025Collision Avoidance & Cameras94 vehicles
Back over prevention:warnings:external/pedestrian alert
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.
Remedy: 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.
- NHTSA 25V255000May 12, 2025Electrical System443 vehicles
Electrical system:wiring:fuses and circuit breakers
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.
Remedy: 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.
- NHTSA 24V960000Dec 20, 2024Airbags1 vehicles
Air bags:critical fasteners
Mercedes-Benz USA, LLC (MBUSA) is recalling a certain 2023 EQS 450+ vehicle. The mounting brackets near the roof may have sharp edges that can damage the side-curtain air bag during deployment. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 214, "Side Impact Protection," and 226, "Ejection Mitigation."
Risk: An air bag that is damaged during deployment can increase the risk of injury in a crash.
Remedy: Dealers will inspect and if necessary, replace the window airbags, and mounting brackets, free of charge. Owner notification letters were mailed February 7, 2025. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025010005.
2023 Mercedes-Benz Eqs450 fuel economy and fuel cost
- City
- 87 MPG
- Highway
- 83 MPG
- Combined
- 85 MPG
- Annual fuel cost (EPA)
- $900
- 15,000 mi/yr
- Fuel
- Electricity
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2023 compared with other Eqs450 years
Frequently asked questions
- Is the 2023 Mercedes-Benz Eqs450 reliable?
- NHTSA lists 28 complaints and 6 recalls for the 2023 Eqs450, giving it a Complaint Index of 100, the highest (worst) among the 3 years with data, so it ranks worst-first relative to other Eqs450 years.
- What is the biggest problem with the 2023 Eqs450?
- Collision Avoidance & Cameras issues, mainly phantom braking, account for 61% of complaints (17 of 28), with a median mileage at failure of 6,000 miles.
- Does the 2023 Eqs450 have any recalls?
- Yes, NHTSA lists 6 recalls for the 2023 Eqs450, covering areas including Electrical System, Airbags, Seat Belts, and Collision Avoidance & Cameras, none marked do-not-drive.
- How does the 2023 Eqs450 compare to other years?
- The 2023 model has a Complaint Index of 100 versus 50 for 2022 and 0 for 2024, and it has more recalls (6) than 2024 (2) but fewer than 2022 (13).
- What is the fuel economy of the 2023 Eqs450?
- EPA rates the 2023 Eqs450 at 85 mpg combined (87 city / 83 highway), with an annual fuel cost of $900.