Mercedes-Benz B-Class Electric Problems by Model Year
NHTSA recorded 50 consumer complaints across the 3 model years of the Mercedes-Benz B-Class Electric (2014–2016) that have at least 5 complaints. 2015 has the most, with 25. Across all years, the part named most often is transmission and drivetrain (25 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All B-Class Electric model years
Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 2016 | 5 | 40,306 | 0 | 32 | — | Not enough data |
| 2015 | 25 | 1,863 | 2 | 33 | Not compared (fewer than 3 comparable model years) | Rising |
| 2014 | 20 | 23,828 | 2 | 31 | — | Falling |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Transmission and drivetrain25 29%
- Engine16 19%
- Fuel system13 15%
- Electrical system13 15%
- Vehicle speed control7 8.2%
- Other or unknown5 5.9%
- Steering3 3.5%
- Brakes3 3.5%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2015: “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 miles2014: “This is an electric vehicle. When slowing down the paddle shifters can be used to put the car in 'd-' mode, for more aggressive engine braking. This increases the rate of decl without using the mechanical brakes. This has worked well for four years and 65,000 miles. Today there was a 'one time' malfunction. I did the usual 'd-' 'down shift' to slowdown from 30 MPH, in traffic, for red light. The car did not aggressively slow down and I applied the brakes. I noticed the car need excessive break pedal pressure to make what should be a normal stop. …”
NHTSA complaint #11182457, filed 2019-02, 65,000 miles2016: “On 4/19/22 while driving my Mercedes B250e, I received a 'check coolant level' warning message, followed closely by 'without starting engine again, consult workshop' and then 'stop, switch engine off'. All messages appeared in less than 30 minutes time, and then my engine completely shut off while I was pulling into a parking lot. Prior to this date, there were no warning signs of the issue. The issue was diagnosed by the Mercedes Atlanta South dealership as a catastrophic electric drive unit failure caused by a coolant leak due to a faulty rotor seal. …”
NHTSA complaint #11466784, filed 2022-05Other Mercedes-Benz models
3,963 complaintsMercedes-Benz E350
2,215 complaintsMercedes-Benz E320
1,164 complaintsMercedes-Benz ML350
952 complaintsMercedes-Benz GLK350
901 complaintsMercedes-Benz ML320
740 complaintsMercedes-Benz C250
725 complaintsMercedes-Benz GLC 300
657 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology