2014 Mercedes Benz B-Class Electric problems, complaints & recalls
Most-reported problem areas: Power Train (9) · Electrical System (3) · Service Brakes (2)
🧭 Reliability snapshot
Compared against other Mercedes Benz B-Class Electric model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (2)
Communication 2019-11-01 · campaign 19V787000 · 24,226 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf
Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Fix: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.
Electrical System:propulsion System:traction Battery 2015-10-14 · campaign 15V655000 · 2,618 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2014-2015 B-Class Electric Drive vehicles manufactured November 21, 2013, to May 26, 2015. Due to a communication error within the electric drive system, the electric powertrain unit may shut down, temporarily immobilizing the vehicle and resulting in a loss of propulsion power.
Risk: A vehicle stall increases the risk of a crash.
Fix: MBUSA will notify owners, and dealers will update the electric drive system software, free of charge. The recall began on December 2, 2015. Owners may contact MBUSA customer service at 1-800-367-6372.
Service bulletins (31)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Exterior Lighting 2025-04-28 · LI82.10-P-078896 · Service Bulletin/Repair Instructions
complaint headlamps leaking or fogged cause the fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. in contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. a leak test must be performed to determine i
Exterior Lighting 2025-04-28 · LI82.10-P-078301 · Service Bulletin/Repair Instructions
complaint headlamp, front fog lamp leaky or fogged cause fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. it does not lead to any technical impairment of the headlamp. remedy note: if a pressure compensation diaphragm is fitted in the housing cover
Electrical System 2025-03-05 · LI82.70-P-077433 · Service Bulletin/Repair Instructions
complaint during a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. it becomes increasingly difficult to understand as the speed rises. cause a. seating of the microphones in the h
Visibility/Wiper 2024-10-23 · LI82.35-P-078467 · Service Bulletin/Repair Instructions
complaint washer fluid system leaks cause various possible causes: 1. washer fluid reservoir itself. 2. seal on washer fluid pump/washer fluid reservoir. 3. washer fluid pump. 3.1. distributor housing leaks. 3.2. pump fitting leaks. 3.3. washer fluid hose cannot be snapped into place on pump fitting
Electrical System 2024-09-28 · LI82.70-P-077433 · Service Bulletin/Repair Instructions
complaint during a phone call, the called party has difficulty understanding/cannot understand the driver, or interference/background noises are audible to the called party during a call. it becomes increasingly difficult to understand as the speed rises. cause a. seating of the microphones in the h
Exterior Lighting 2024-09-21 · LI82.10-P-078307 · Service Bulletin/Repair Instructions
complaint headlamps leaking or fogged cause the fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. in contrast to a leaky headlamp, physical fogging does not result in a technical impairment of the headlamp. a leak test must be performed to determine i
Showing the 6 most recent of 31 bulletins. Search all of them free at nhtsa.gov.
What owners report
2023-11-07 · Power Train · 62,700 mi“the contact owns a 2014 mercedes-benz b-class electric drive. the contact stated that after stopping at a stop sign, the vehicle lost motive power before the "malfunction visit workshop" and "stop switch engine off" messages were displayed. after restarting the vehicle, the vehicle returned to normal functionality; however, the failure recurred mor…”
2022-09-24 · Power Train“coolant leak causing catastrophic drive unit failure. …”
2022-05-31 · Power Train“motor suddenly stopped on highway. this was extremely dangerous. vehicle transported to mercedes benz, they have indicated the electric drive motor has failed. this is the second drive motor in this car that has failed in only 48k miles. we have two of these cars, same year and model. the motor has also failed in the other vehicle. there is a…”
2022-05-31 · Unknown Or Other“coolant in electric motor . needs to replace motor . diagnosed by mercedes dealer wi simonson 1626 wiltshire blvd santa monica ca 90403 4105264700 # 525134 march 7,2022 mileage 63371 get signal on the garage. …”
2021-02-22 · Power Train · 12,000 mi“tl* the contact own a 2014 mercedes benz b-class electric. the contact stated while his wife was driving 55 mph, an unknown yellow warning light illuminated indicating assistance required. the driver continued to drive the vehicle and shortly after, while attempting to park on the side of the road, another red warning light was illuminated and the …”
2020-05-12 · Service Brakes · 33,000 mi“this is an electric vehicle. in normal operation, when the car is slowing, and almost at a stop, it comes out of regenerative braking mode, and enters thrust mode, so that if the brake is released when stopped, the car will begin to roll. in this vehicle, sometimes the car exits regenerative braking mode and enters thrust mode when slowing at hig…”
2019-12-09 · Power Train · 72,000 mi“when attempting to reverse out of parking stall vehicle would not move, almost as if emergency brake was being applied even though ebrake was off. turning on and off ignition did nothing. replace 12 v battery did nothing. warranty work on control unit performed multiple times in 2017/2018/2019 even though the software 'fixed' the issue related t…”
2019-11-18 · Fuel System, Gasoline · 27,655 mi“vehicle battery warning light came on instructing to stop driving vehicle immediately. like so many other owners who have filed complaints, mercedes dealer-mechanic said that coolant had gotten into battery and drive unit needs to be replaced. estimated cost $12,000 - rendering car totalled. independent ev specialist has pressure tested cooling sys…”
2019-07-17 · Engine · 30,000 mi“the "malfunction" light appeared and vehicle lost power immediately. after coming to a complete stop, then switching the ignition off and back on again, the car operated normally and the "malfunction" light disappears. this occurred three times: during highway driving (55 mph), on a country road (45 mph), and at almost a stop (5 mph). one occu…”
2019-02-25 · Service Brakes · 65,000 mi“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' t…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.