Sudden loss of power while driving on a highway at 65-70mph. No indication of any problem on dash board, except an indication that it was at maximum regeneration. Gear selection indicator displayed that the car was in drive, not in neutral. No response from throttle pedal pressing. Slowly drifted across multiple lanes of highway until I reached the shoulder and came to a stop. Turned car off and then back on, after which the car behaved normally again.
2015 Mercedes Benz B-Class Electric transmission complaints
Page 2 of 2: complaints 11 to 14 of 14, newest first, as owners wrote them.
Tl* the contact owns a 2015 mercedes benz b-class electric. While driving at 35 MPH, the vehicle decelerated without warning. The vehicle was taken to the dealer for diagnostic testing. The technician performed a software update on the vehicle. The vehicle was repaired. The manufacturer was notified of the failure. The approximate failure mileage was 4,500. The VIN was not available.
Thump! Complete loss of power on freeway. Random shift to neutral issue. Driving home from the purchasing the car on the 101 southbound in the fast lane going 65 MPH. Acceleration was suddenly lost. The power train malfunctioned and shifted itself into neutral. The gas pedal was unresponsive. Had to pull over at woodman exit on inertia alone. We had just purchased the car only 2 hours prior to this incident and put 30 miles on the odometer. No warning lights appeared. My research on this issue shows that it is that same issue that has caused the rav4 EV recall. This issue is extremely dangerous and is affecting many other b-class owners.
This incident has happened twice since we got the car on 06/25/2015. First time, driving down a street at 35 MPH and the car will shift by itself into neutral. The car will not go back to drive and there is not power to the drive system. The only way to correct it is to coast to a stop and turn off the car and restart it to continue driving. The second time, on 7/10/2015 my wife was driving on the freeway at 55mph and same thing happened again, but was put in a more dangerous situation since she was traveling in the left lane and there was no center median. It has been at the dealership ever since. They stated that the powertrain control unit needs to be replaced, but have not time estimate on when they will be getting the part. They are not even sure if this will correct the issue.
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