2015 Mercedes-Benz B-Class Electric Engine Problems
- Complaints
- 7about this part
- Share
- 28%of 25 total for the year
- Median mileage
- 2,450miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 7 complaints about the engine of the 2015 Mercedes-Benz B-Class Electric, 28% of the 25 complaints for this model year. Where a mileage was given, the median is 2,450 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“This mb model has an electric motor that fails at around 35000 to 40000 miles, and makes the vehicle to stop suddenly causing serious risks to the driver if this happens in any main highway. Two weeks ago my wife was driving northbound at the fast lane of the palmetto expressway , in miami fl, when the car stopped giving no time to avoid coming traffic. Fortunately one fdot ranger was driving same way and protect my wife turning on its emergency lights while they wait for a tow truck to arrive. …”
NHTSA complaint #11281313, filed 2019-11, 36,000 miles“3xs I have had the car stop working while driving. All three occasions while coming to a quick stop the car quit working. I had to come to a complete stop, put the car in park and restart the vehicle. I leased the car in july/august 2015, last incident was on 9/22.”
NHTSA complaint #10781215, filed 2015-10, 500 miles“On 10-5-15, my 2015 mercedes b class with 3300 miles decided to lose all power in the middle of 101 in rush hour traffic. Luckily traffic was moving at 15mph, I had to completely stop the car in the middle lane. Put the car in park, shut it off and restart to regain power. There were no check engine light or signs that the car was broken, I just simply lost all drive power even though I was in d. It was scary as I was on the 101 at about 4pm. This also happened at another when I first got the car, please get mercedes to fix this before I get rear-ended and crushed.”
NHTSA complaint #10780926, filed 2015-10, 3,300 miles“My B-Class Electric had a sudden loss of power. Here's the details: left the house in san diego at 7:00 am. Outside temperature about 75+degrees. About 1 mile from the start, I braked slightly to maintain speed of about 25 MPH, coasted towards and uphill, put my foot on the accelerator to maintain speed and there was no power-just coasting. There was no unusual sound and no warning displayed. The car appeared normal except the guage was showing full regenerative braking while the car was coasting. Transmission was in d-auto. Power steering worked, AC and radio were still on. …”
NHTSA complaint #10781331, filed 2015-10, 1,600 miles“The car started to make a soft ticking sound. I bought the car at 11121 mile on july 2,2018 last week I had the mercedes benz dealer pick. The problem was the engine needs to be replaced. Mileage on car now is 28452. Asking 17,000 dollars for repair. I have the premium safe drive extended warranty they are will to pay only 10,000 dollars.”
NHTSA complaint #11325351, filed 2020-05Engine: other model years
Other parts of the 2015 Mercedes-Benz B-Class Electric
14 complaintsFuel system
10 complaintsVehicle speed control
6 complaintsElectrical system
5 complaintsOther or unknown
2 complaintsSteering
2 complaints
← All problems reported for the 2015 Mercedes-Benz B-Class Electric
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology