https://plaincars.com/make/mercedes-benz-b-250e New NHTSA complaints and recalls filed for the Mercedes-Benz B 250e. en-us Sun, 18 Oct 2026 06:13:10 GMT https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2158117 Wed, 17 Dec 2025 00:00:00 GMT Stacy belts will not retract they remain in a loosened state and I am afraid they will not lock in an accident https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2157496 Mon, 15 Dec 2025 00:00:00 GMT In November 2024, the vehicle indicated "add coolant". The vehicle was brought to Mercedes Benz of Scottsdale for servicing. The dealership apparently added coolant without advising me that the B250-E has a 100% chance of failure to the Drive Unit / coolant intrusion unless a small part is replaced before coolant leaks into the inverter/entire engine. A few weeks later - the vehicle, while trave https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2157497 Mon, 15 Dec 2025 00:00:00 GMT In November 2024, the vehicle indicated "add coolant". The vehicle was brought to Mercedes Benz of Scottsdale for servicing. The dealership apparently added coolant without advising me that the B250-E has a 100% chance of failure to the Drive Unit / coolant intrusion unless a small part is replaced before coolant leaks into the inverter/entire engine. A few weeks later - the vehicle, while trave https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2157498 Mon, 15 Dec 2025 00:00:00 GMT In November 2024, the vehicle indicated "add coolant". The vehicle was brought to Mercedes Benz of Scottsdale for servicing. The dealership apparently added coolant without advising me that the B250-E has a 100% chance of failure to the Drive Unit / coolant intrusion unless a small part is replaced before coolant leaks into the inverter/entire engine. A few weeks later - the vehicle, while trave https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2141028 Sat, 18 Oct 2025 00:00:00 GMT Subject: Urgent Safety Concern – Immediate Attention Required Dear To Whom it may Concern, I am writing to urgently express serious safety concerns with the vehicle I recently [purchased/test drove/had serviced]. Seat Belt Malfunction: The children’s seat belts are not retracting properly, posing a significant safety risk. Braking Issues: Despite being told the brakes are at 90%, they feel lik https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2141029 Sat, 18 Oct 2025 00:00:00 GMT Subject: Urgent Safety Concern – Immediate Attention Required Dear To Whom it may Concern, I am writing to urgently express serious safety concerns with the vehicle I recently [purchased/test drove/had serviced]. Seat Belt Malfunction: The children’s seat belts are not retracting properly, posing a significant safety risk. Braking Issues: Despite being told the brakes are at 90%, they feel lik https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2141030 Sat, 18 Oct 2025 00:00:00 GMT Subject: Urgent Safety Concern – Immediate Attention Required Dear To Whom it may Concern, I am writing to urgently express serious safety concerns with the vehicle I recently [purchased/test drove/had serviced]. Seat Belt Malfunction: The children’s seat belts are not retracting properly, posing a significant safety risk. Braking Issues: Despite being told the brakes are at 90%, they feel lik https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2133043 Tue, 23 Sep 2025 00:00:00 GMT My air bag light went on , and my car is displaying a fault on the drivers side air bag . I took the car to an authorized Mercedes dealer and they say they claim I need a new part . Please see RCMN-17V627 . The recall affects nearly 500,000 Mercedes-Benz vehicles from model years 2012 to 2018. Specific models include: B-Class electric (2014–2017) I can send pictures and other material . https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2052838 Fri, 03 Jan 2025 00:00:00 GMT On Wednesday [XXX] I was driving my electric vehicle to work. I exited the freeway and as soon as I stopped at the light for the off ramp a warning light indicator appeared stating Coolant Low. I found this odd as I was unaware of Electric Vehicles using Coolant. I clicked the OK button on the steering wheel and the message was acknowledged and disappeared from the screen. When the Light chang https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2052839 Fri, 03 Jan 2025 00:00:00 GMT On Wednesday [XXX] I was driving my electric vehicle to work. I exited the freeway and as soon as I stopped at the light for the off ramp a warning light indicator appeared stating Coolant Low. I found this odd as I was unaware of Electric Vehicles using Coolant. I clicked the OK button on the steering wheel and the message was acknowledged and disappeared from the screen. When the Light chang https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2052840 Fri, 03 Jan 2025 00:00:00 GMT On Wednesday [XXX] I was driving my electric vehicle to work. I exited the freeway and as soon as I stopped at the light for the off ramp a warning light indicator appeared stating Coolant Low. I found this odd as I was unaware of Electric Vehicles using Coolant. I clicked the OK button on the steering wheel and the message was acknowledged and disappeared from the screen. When the Light chang https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2048355 Sun, 15 Dec 2024 00:00:00 GMT While driving a notice to park the car and call for maintenance came up then while I was trying to get to safe stopping point the car went on to neutral and shut down while I was at speed. I turned the car back on and moved it to safety and called for roadside assistance https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2048356 Sun, 15 Dec 2024 00:00:00 GMT While driving a notice to park the car and call for maintenance came up then while I was trying to get to safe stopping point the car went on to neutral and shut down while I was at speed. I turned the car back on and moved it to safety and called for roadside assistance https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2048357 Sun, 15 Dec 2024 00:00:00 GMT While driving a notice to park the car and call for maintenance came up then while I was trying to get to safe stopping point the car went on to neutral and shut down while I was at speed. I turned the car back on and moved it to safety and called for roadside assistance https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2042876 Sun, 24 Nov 2024 00:00:00 GMT Complaint submitted to Transport Canada: “The Eco Start function on the Mercedes Benz B250 does not work and so intermittently shuts off the car without warning. Very very dangerous. When stopped at a stop light, unless the eco smart button is turned off the car engine will suddenly shut off. Red text appears in the display above steering wheel stating gear shift error contact dealership. I contac https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-2029881 Fri, 04 Oct 2024 00:00:00 GMT The contact owns a 2017 Mercedes-Benz B250E. The contact stated while driving approximately 60 MPH, the vehicle the lost automotive power and stalled. The message "Shut Off Immediately" was displayed. The vehicle was later towed to the residence. The cause of the failure was not yet determined. The local dealer was notified of the failure. The manufacturer was not yet contacted. The failure mileag https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1986318 Wed, 24 Apr 2024 00:00:00 GMT The contact owns a 2017 Mercedes-Benz B250E. The contact stated that while reversing from the garage at 3–5 MPH, the contact depressed the park button. The vehicle attempted to go into the park position. There was an abnormal noise detected. There were no warning lights illuminated. The vehicle was towed to the local dealer, where it was diagnosed that the transmission fluid needed to be replaced. https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1940153 Wed, 01 Nov 2023 00:00:00 GMT My car just stalled and was not able to move on the highway exit which caused a high risk for the safety of passengers and the safety of others. The car has been towed to a Mercedes Dealer in West Covina, California. and they indicate that the coolant leaked into the drive motor and caused the car to stop. Prior to this car stall, there was no warning lamp, messages, or other symptoms of the probl https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1940154 Wed, 01 Nov 2023 00:00:00 GMT My car just stalled and was not able to move on the highway exit which caused a high risk for the safety of passengers and the safety of others. The car has been towed to a Mercedes Dealer in West Covina, California. and they indicate that the coolant leaked into the drive motor and caused the car to stop. Prior to this car stall, there was no warning lamp, messages, or other symptoms of the probl https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1932200 Sun, 01 Oct 2023 00:00:00 GMT At 23,596 total vehicle mileage, the electric drive motor failed while driving. This occurred two days and less than 50 miles after having an annual service performed at an authorized Mercedes Benz dealership. Failure resulted in sudden loss of power alternating with full torque power at any throttle position making the car uncontrollable and hazardous to the occupants and other cars/occupants o https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1932201 Sun, 01 Oct 2023 00:00:00 GMT At 23,596 total vehicle mileage, the electric drive motor failed while driving. This occurred two days and less than 50 miles after having an annual service performed at an authorized Mercedes Benz dealership. Failure resulted in sudden loss of power alternating with full torque power at any throttle position making the car uncontrollable and hazardous to the occupants and other cars/occupants o https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1932202 Sun, 01 Oct 2023 00:00:00 GMT At 23,596 total vehicle mileage, the electric drive motor failed while driving. This occurred two days and less than 50 miles after having an annual service performed at an authorized Mercedes Benz dealership. Failure resulted in sudden loss of power alternating with full torque power at any throttle position making the car uncontrollable and hazardous to the occupants and other cars/occupants o https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1931910 Fri, 29 Sep 2023 00:00:00 GMT Speed sensor has coolant on it, indicating a leak into the motor which leads to the motor needing to be replaced. https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1866252 Tue, 17 Jan 2023 00:00:00 GMT Electric motor has a coolant line running through it that has developed a leak and is in the process of destroying the motor. This is apparently a known issue that affects all Mercedes E-Class Electric Drive, B250e, Toyota RAV4-EV and some early Tesla Model S cars that have this early type Tesla motor installed. If the motor is not replaced, it could seize. Our car has only 23K miles on it but is https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1863433 Thu, 05 Jan 2023 00:00:00 GMT I needed a new electric motor. It was covered by the warranty but would not be if it fails again, and it's known to happen again. This is a very common issue with the Mercedes B250E from 2014-2017. I believe this should be a recall. The cost to consumers for repair is around $20,000. There is a problem with coolant leaking into the electric motor causing it to fail. see all the other owners on t https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1862876 Tue, 03 Jan 2023 00:00:00 GMT 2016 MERCEDES BENZ B250 E. CONSTITUENT STATED THAT THE COOLANT SEEPED INTO THE ENGINE CAUSING ENGINE FAILURE. https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1858702 Sun, 11 Dec 2022 00:00:00 GMT Mercedes dealer indicated a coolant leak resulted in an electrical failure and required that I pay $18,000 to replace the motor system. This is a known issue, however. When I mentioned that this is a manufacturing defect affecting numerous b250e I was referred to Mercedes Benz USA. Mercedes Benz USA offered a $1000 discount towards repairs rather than waiving the cost entirely. There are no detail https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1849237 Sun, 23 Oct 2022 00:00:00 GMT The electric motor is destined to fail because of a coolant leak at the speed sensor. According to many accounts the motor will fail and lock up the system. My car has not yet failed but I fear an accident will happen depending on where it falls. My extended warranty from Endurance is no help as they denied coverage for the motor. I have no alternative transportation and am out $17000 on the car. https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1849238 Sun, 23 Oct 2022 00:00:00 GMT The electric motor is destined to fail because of a coolant leak at the speed sensor. According to many accounts the motor will fail and lock up the system. My car has not yet failed but I fear an accident will happen depending on where it falls. My extended warranty from Endurance is no help as they denied coverage for the motor. I have no alternative transportation and am out $17000 on the car. https://plaincars.com/make/mercedes-benz-b-250e https://plaincars.com/make/mercedes-benz-b-250e#complaint-1835153 Mon, 22 Aug 2022 00:00:00 GMT Motor failure after 50K mile. Car can only move and stop - move and stop. Need to replace Electric Engine Motor. Seat belt malfunction after 40K.