2015 Mercedes-Benz E400 problems, complaints & recalls
Most-reported problem areas: Air Bags (6) · Electrical System (2) · Vehicle Speed Control (1)
🧭 Reliability snapshot
Compared against other Mercedes-Benz E400 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (7)
Air Bags:frontal 2021-08-13 · campaign 21V638000 · 205 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2015-2016 E400 Coupe, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2011-2014 E350 Coupe, and 2012-2014 E350 Cabrio vehicles. An incorrect front passenger air bag may have been installed during a prior repair.
Risk: An incorrect air bag may not function properly in a crash, increasing the risk of injury.
Fix: Dealers will replace the front passenger air bag on the affected vehicles, free of charge. Owner notification letters were mailed on September 10, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
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.
Air Bags:frontal:passenger Side:inflator Module 2019-01-09 · campaign 19V010000 · 288,779 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014 C250, C300 4Matic, C350, C63 AMG, E350 4Matic Coupe, E350 Cabrio, E350 Coupe, SLS AMG Cabrio, SLS AMG Coupe, 2014-2015 C250 Coupe, C350 4Matic Coupe, C350 Coupe, C63 AMG Coupe, GLK 350, GLK250 BlueTec 4Matic, GLK350 RWD, 2015-2017 E400 4Matic Coupe, E400 Cabrio, E400 Coupe, 2014-2017 E550 Cabrio, and 2014-2016 E550 Coupe vehicles sold, or ever registered, in the states of AL, CA, FL, GA, HI, LA, MS, SC, TX, PR, AS, GU, the MP, and VI or "Z
Risk: An inflator explosion may result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.
Fix: MBUSA will notify owners, and dealers will replace the passenger frontal air bag module, free of charge. The recall began March 29, 2019. Owners may contact MBUSA customer service at 1-800-367-6372.
Air Bags:frontal 2017-10-06 · campaign 17V627000 · 495,290 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling these vehicles: 2014-2018 CLA250, CLA250 4Matic, CLA45 AMG 4Matic, 2015-2018 GLA250, GLA250 4Matic, GLA45 AMG 4Matic, C300 4Matic, C63S AMG, 2012-2014 C250, C350, C300 4Matic, E550 4Matic, 2013-2014 C63 AMG, 2012-2015 C250 Coupe, C350 Coupe, C63 AMG Coupe, 2013-2015 C350 4Matic Coupe, GLK250 4Matic BlueTec, GLK350, GLK350 4Matic, 2016-2017 C350e, C43 AMG, 2015 C400 4Matic, 2016-2018 C63 AMG, GLC300, GLC300 4Matic, 2017-2018 C300 Coupe, C300 4Matic Cou
Risk: If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
Fix: MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.
Steering:electric Power Assist System 2016-12-14 · campaign 16V899000 · 70 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2013-2015 SL550, 2013-2014 SL63 AMG, 2014-2016 E350, 2014 E350 Cabriolet, E350 Coupe, 2014-2015 S550, 2015 E350 Bluetec, 2015-2016 E400, 2016 E550 Coupe, and Maybach S600 vehicles manufactured August 23, 2012, to August 14, 2015. The affected vehicles use an electric power steering system that may have improperly soldered contacts inside the control unit, potentially resulting in the power steering system deactivating while driving
Risk: If the control unit pins lose connection, there would be a loss of electric power steering assist, increasing the risk of a crash. The increase in pin contact resistance can also increase the risk of a fire, even while the vehicle is parked and ignition is off.
Fix: MBUSA will notify owners, and dealers will replace the electric power steering control unit, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Structure:body:hood 2015-02-13 · campaign 15V088000 · 147,224 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2013-2015 E350 Sedan, E350 4Matic Sedan, E350 4Matic Station Wagon, E400 Hybrid Sedan, CLS 550 CGI, and CLS550 4Matic, 2013-2014 E550 4Matic Sedan, 2013 E63 Sedan, E63 Station Wagon and CLS63, 2014-2015 CLS63 4Matic, E63 4Matic Sedan, E63 4Matic Sedan "S", and E63 4Matic Station Wagon, 2015 CLS400, 2015 E400 Sedan, E400 4Matic Sedan and CLS400 4Matic and 2014 CLS63 "S". The affected vehicles have a rubber seal at the back of the en
Risk: If the rubber seal falls into the engine compartment, it may contact parts of the exhaust system, increasing the risk of a fire.
Fix: MBUSA will notify owners, and dealers will attach four additional retaining clips to the rubber seal, free of charge. The recall began March 6, 2015. Owners may contact MBUSA customer service at 1-201-573-5339. MBUSA's number for this recall is 2015020001.
Seat Belts: Rear/Other:buckle Assembly 2014-12-24 · campaign 14V818000 · 1,378 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 E250 Diesel, E250 Blue Tec 4 Matic, E350 Sedan, E350 Sedan 4 Matic, E350 Wagon 4 Matic, E400 Sedan, E400 Sedan 4 Matic, E63 Sedan, and E63 Wagon vehicles manufactured October 8, 2014, to October 24, 2014. In the affected vehicles, the double seat belt buckle for the middle position of the rear passenger seat could fail under loading experienced in a severe frontal crash.
Risk: If the middle position double seat belt buckle assembly fails under load such as in a severe frontal crash, there is an increased risk of injury to the seat occupant.
Fix: MBUSA will notify owners, and dealers will replace the double seat belt buckle, free of charge. The recall began February 2, 2015. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2014120006.
Service bulletins (138)
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.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-09-14 · LI27.10-P-075869 · Service Bulletin/Repair Instructions
complaint only vehicles with a variable transfer case are affected. this can be identified through control unit n45 or n15/7 in the quick test. when accelerating with light load, vibrations or jolting sensation may come from the drivetrain. it may be mistaken for a harsh shift. cause modified oil qu
Electrical System 2026-08-06 · LI82.85-P-079087 · Service Bulletin/Repair Instructions
complaint a popup is seen on the hu with the message "data connection temporarily not available". potentially affected functionalities in ntg4.5, ntg5 1.weather 2.local search 3.ip radio 4.send2car 5.speech detection service 6.navigation 7.iheartradio 8.traffic cams cause mb apps is sundowned for al
Structure:body 2026-08-06 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Power Train 2026-07-14 · LI35.30-P-058566 · Service Bulletin/Repair Instructions
single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). the noise is heard once in each instance when changing direction of travel. note: sound file in attachment cause if the complaint is eliminated by experimentally loosening the outboard collar n
Showing the 6 most recent of 138 bulletins. Search all of them free at nhtsa.gov.
What owners report
2024-10-19 · Service Brakes“the sub frame of this car is being replaced under a warranty extension due to severe rusting and separation creating an extremely unsafe driving condition. it was determined during inspection the rear brake lines were also corroded. this is also due to environmental exposure and substandard materials of construction. many e classes of the w212 and…”
2023-09-05 · Structure · 76,000 mi“the contact owns a 2015 mercedes-benz e400. the contact stated that while the vehicle was parked, the steering wheel material was peeling off. additionally, the driver’s and passenger’s side window buttons were peeling. the contact stated that the dashboard was bubbling. the vehicle had not been diagnosed or repaired by an independent mechanic or d…”
2022-09-11 · Lane Departure: Blind Spot Detection“went on a 2000 miles road trip and my blind spot monitoring systems and then my turn signals stopped working. …”
2022-05-12 · Engine“purchased new 2015 mb e400 in 12/2014 mb issued a bulliten in 12/15 (1 year later) indicating that the engines may experience a problem with the timing belt harness which may cause engine failure. we have the exact same issue now at 69k miles and mb refuses to acknowledge the issue claiming i need a new engine. i cannot use the car for fear of engi…”
2021-04-20 · Air Bags“tl* takata recall. the contact owns a 2015 mercedes-benz e400. the contact received notification of nhtsa campaign number: 19v010000 (air bags) however, the part to do the recall repair was unavailable. the contact called mercedes-benz of grapevine (1300 texan trail, grapevine, tx 76051, (817) 310-9748) where it was confirmed that the part was not …”
2021-03-01 · Air Bags“tl* takata recall. the contact owns a 2015 mercedes benz e400. the contact received notification of nhtsa campaign number: 19v010000 (air bags) however, the part to do the recall repair was unavailable. the vehicle was not taken to dealer to get diagnosed. the contact stated that the manufacturer had exceeded a reasonable amount of time for the rec…”
2019-07-15 · Air Bags“tl* the contact owns a 2015 mercedes-benz e400. in february of 2019, the vehicle was included in an unknown recall regarding the passenger side air bag. rallye motors (1600 northern blvd, roslyn, ny 11576, (516) 625-1000) stated that there was no remedy for the recall. the manufacturer was not notified. the contact had not experienced a failure.…”
2019-04-09 · Air Bags“tl* takata recall. the contact owns a 2015 mercedes-benz e400. the contact received notification of nhtsa campaign number: 19v010000 (air bags). the contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. the contact called mercedes-benz of edison (located at 910 us-1, edison, nj 08817, (732) 549-6600) and w…”
2019-03-07 · Air Bags“tl* takata recall. the contact owns a 2015 mercedes-benz e400a. the contact received an unknown recall notice regarding the air bags. the dealer was not contacted. the manufacturer was contacted and stated that the parts would not be available until 2020. the contact had not experienced a failure. vin tool confirms parts not available.…”
2018-04-18 · Air Bags“tl* the contact owns a 2015 mercedes-benz e400. the contact received notification of nhtsa campaign number: 17v627000 (air bags); however, the parts to do the repair were unavailable. the contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. the dealer (mercedes-benz of wilmington, 3801 lancaster pike, wil…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.