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Electrical System/Climate Control/Energy Management  DESCRIPTION OF PROBLEM: On XXX, I exited my 2024 Mercedes-Benz EQB 250+ at a parking lot in [XXX] to briefly enter a business. I left the vehicle running in Park and I took the key fob with me and left the climate control (AC) active. Three occupants remained inside the car: my wife, son, and dog. Without any warning, alert, or notification to the remaining occupants, the car automatically shut down its drivetrain and climate control system after approximately 5 to 10 minutes of idle time. The interior temperature in TX in summer conditions can reach dangerous levels within minutes of AC loss, creating a life-threatening situation for car occupants. The car provides no prominent warning to the driver at the time of exit that this automatic shutoff will occur. There is no accessible, clearly labeled setting to disable this behavior. The only known workaround â pressing a small fan icon on the lower display screen before opening the door after powering off â is non-intuitive, undisclosed in routine car operation, and limited to approximately 30 minutes. This design is in stark contrast to competing electric cars (e.g., Tesla) which offer an explicit, clearly labeled "Keep Climate On" or "Dog Mode" feature that maintains cabin temperature indefinitely when occupants are present. In high-heat states such as Texas, where temperatures routinely exceed 100Â°F, an unexpected and unannounced climate system shutdown poses a serious and foreseeable risk of heat stroke, injury, or death, particularly to children, elderly individuals, and animals who cannot self-rescue. I am requesting that NHTSA investigate this as a potential safety defect and evaluate whether Mercedes EQ cars equipped with this automatic idle shutoff behavior require a design change, software update, or recall to add adequate safeguards. No crash or injury occurred in this incident. This complaint is being filed to prevent future harm.  INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA

MERCEDES-BENZ EQB 250+ 2024 UNKNOWN OR OTHER

Learning that my vehicle is subject to a battery-related recall has seriously undermined my trust. Battery defects in electric vehicles can present risks that include thermal events, loss of vehicle functionality, and other potentially dangerous situations. My vehicle has had warning signs, I received emails about the risks my vehicle can present directly from Mercedes. I have had my vehicle in the service department two times in two months for this same issue. My vehicle is overheating while charging.

MERCEDES-BENZ EQB 250+ 2024 ENGINE

At the time of the incident, I was pulling into a parking space in a parking lot near a park. I was traveling at approximately 3â5 miles per hour, consistent with idle or walking speed during a routine parking maneuver. I was nearly stopped and aligned with the parking space when the vehicle suddenly and unexpectedly accelerated without driver input. This occurred from a near-idle speed in a parking lot, not during roadway driving. During the unintended acceleration, the vehicle traveled over multiple curbs on both sides. No audible warnings, no beeping, no proximity alerts, no forward-collision warnings, and no automatic emergency braking activated at any time, despite the vehicle crossing curbs and approaching fixed objects. No warning lights illuminated. The vehicle continued accelerating without driver input and struck and knocked down a fixed light pole. After the impact, the vehicle continued moving forward until I immediately slammed on the brake and brought it to a stop in the middle of the adjacent roadway. No orange cones or warning devices were present prior to the incident. Any cones visible in photos were placed after the collision by responders for safety and traffic control. The sudden acceleration and complete lack of safety-system response occurred during a low-speed parking maneuver where the vehicle should not have accelerated beyond idle speed

MERCEDES-BENZ EQB 250+ 2024 ELECTRICAL SYSTEM

At the time of the incident, I was pulling into a parking space in a parking lot near a park. I was traveling at approximately 3-5 miles per hour, consistent with idle or walking speed during a routine parking maneuver. I was nearly stopped and aligned with the parking space when the vehicle suddenly and unexpectedly accelerated without driver input. This occurred from a near-idle speed in a parking lot, not during roadway driving. During the unintended acceleration, the vehicle traveled over multiple curbs on both sides. No audible warnings, no beeping, no proximity alerts, no forward-collision warnings, and no automatic emergency braking activated at any time, despite the vehicle crossing curbs and approaching fixed objects. No warning lights illuminated. The vehicle continued accelerating without driver input and struck and knocked down a fixed light pole. After the impact, the vehicle continued moving forward until I immediately slammed on the brake and brought it to a stop in the middle of the adjacent roadway. No orange cones or warning devices were present prior to the incident. Any cones visible in photos were placed after the collision by responders for safety and traffic control. The sudden acceleration and complete lack of safety-system response occurred during a low-speed parking maneuver where the vehicle should not have accelerated beyond idle speed.

April 3, 2025. approx 2:30pm   Glass panoramic sunroof spontaneously exploded going down hwy 431in Huntsville Al.  approx speed was 50-55mph. Vehicle had been parked in the parking deck at work since 6am.  Exterior Temp was approximately  84 Degrees F.  Sunroof was closed. Sounded like a gunshot and the glass was sucked out. Interior sunshield was closed and prevented glass from entering vehicle.

2024 Mercedes-Benz EQB 250 Plus — vehicle data sourced from FuelEconomy.gov.

The 2024 Mercedes-Benz EQB 250 Plus offers an impressive 251-mile electric range, making it a practical choice for daily commutes and longer journeys. Its certified safety status and robust build provide peace of mind for any driver.

	2024	2025
Price	€55,311	—
Engine Capacity	—	—
Fuel Type	Electricity	Electricity
Transmission	1-speed automatic	Automatic (A1)
Body Type	SUV	Small Sport Utility Vehicle 2WD

Mercedes-Benz EQB 250 Plus (2024) Specifications