2015 Mercedes-Benz Ml350 problems, complaints & recalls
Most-reported problem areas: Engine (5) · Service Brakes (4) · Fuel System, Gasoline (4)
🧭 Reliability snapshot
Compared against other Mercedes-Benz Ml350 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
30 NHTSA complaints that reported an odometer reading.
Safety recalls (5)
Fuel System, Gasoline:delivery:fuel Pump:control/Drive Module 2022-12-23 · campaign 22V955000 · 348,183 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML550, 2012-2015 ML350, AMG ML63, 2015 ML250, ML400, 2016 GLE450, GLE300, 2016-2018 GLE350, GLE550, 2016-2019 GLE400, 2017-2019 AMG GLE43, and 2016-2020 AMG GLE63 vehicles. Water might accumulate in the spare tire wheel well and damage the fuel pump control unit, which could cause an engine stall while driving.
Risk: An engine stall while driving increases the risk of a crash.
Fix: Dealers will install a water drain plug, inspect for water intrusion, and replace the fuel pump control unit as necessary, free of charge. Owner notification letters were mailed February 15, 2023. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers for this recall are 2023010002 and 2023010003.
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.
Suspension:front 2018-04-27 · campaign 18V272000 · 9,725 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the
Risk: The leaking oil in the presence of an ignition source can increase the risk of a fire.
Fix: MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.
Power Train:axle Assembly:axle Shaft 2016-12-14 · campaign 16V900000 · 48 vehicles
Defect: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 GL350 4Matic Blutec, GL450 4Matic, GL550 4Matic, ML250 Blutec, ML350, ML350 4Matic, ML400 4Matic and 2015-2016 GL63 AMG 4Matic vehicles manufactured September 29, 2014 through March 27, 2015. The affected vehicles have axle bolts on the front and/or rear drive axle carriers that may not have been assembled correctly. As a result, the remaining bolts may fracture.
Risk: If any of the remaining front or rear axle bolts fracture, the vehicle may be unstable, reducing the handling capability and increasing the risk of a crash.
Fix: MBUSA will notify owners, and dealers will replace the axle carrier bolts, free of charge. The recall is began February 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Seat Belts:rear/Other 2016-06-16 · campaign 16V442000 · 423 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2015 ML250, ML350, ML350 4Matic, ML400 4Matic, ML63 AMG, and 2016 GLE450 AMG 4Matic vehicles manufactured from April 27, 2015, through May 19, 2015. The affected vehicles may have had the right rear seatbelt anchor bolt incorrectly installed.
Risk: In the event of a vehicle crash, the right rear seatbelt anchor bolt could fail to secure the passenger, increasing their risk of injury.
Fix: MBUSA will notify owners, and dealers will inspect and, if necessary, correct the installation of the right rear seat belt anchor bolt, free of charge. The recall began on July 22, 2016. Owners may contact MBUSA customer service at 1-800-367-6372.
Service bulletins (125)
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.
Power Train 2026-09-26 · LI27.00-P-073124 · Service Bulletin/Repair Instructions
complaint customer complaints relating to automatic transmission 725.0 (nag3 classic /9g‑tronic automatic transmission) and 725.1 (nag3 facelift/9g‑tronic automatic transmission facelift) for faster, more effective and more targeted diagnosis, intelligent predictive repair (ipr) has been developed a
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
Power Train 2026-09-04 · LI27.00-P-073124 · Service Bulletin/Repair Instructions
complaint customer complaints relating to automatic transmission 725.0 (nag3 classic / 9g‑tronic automatic transmission) and 725.1 (nag3 facelift/9g‑tronic automatic transmission facelift) for faster, more effective and more targeted diagnosis, intelligent predictive repair (ipr) has been developed
Steering 2026-08-28 · LI46.35-P-067339 · Service Bulletin/Repair Instructions
complaint during part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. or rattling, humming, dry sliding/gravel noise from the electric steering system when steering (see attachment). complaint does not impact the ability to safely steer or control
Showing the 6 most recent of 125 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-05-22 · Fuel/Propulsion System“the failed/malfunctioning component appears to be the fuel pump controller / fuel pump control unit, and possibly the fuel pump system. the mercedes-benz dealer identified water/moisture-related damage and corrosion at the fuel pump controller area. the failed component should be available for inspection if the dealer preserves the part during repa…”
2026-02-20 · Unknown Or Other“in july 2025, the sunroof panel had lifes and was flapping at highway speeds. i immediately contacted a mercedes-benz dealer to report the hazard. i was told they were unaware of such an issue and that i would have to pay for the repair out-of-pocket. due to financial hardship, i could not afford the repair at that time. in. in early february, whi…”
2026-01-19 · Lane Departure: Blind Spot Detection“in mid-trip as we were going down the highway went to change lanes and the turn signals were no longer functioning. no errors, no alerts, no warnings they just stopped working. after pulling over and turning off the vehicle and turning back on they work for a time then stop working again. after researching with other owners of these and similar mod…”
2025-07-28 · Engine“cam shaft replacement diagnosed after week and half visit to mercedes benz dealership for engine rattling at cold start up. we are left with a $10,000 repair after performing all scheduled maintenance at the mercedes benz dealership since owning in 2015. …”
2025-04-04 · Fuel System, Gasoline · 88,000 mi“the contact owns a 2015 mercedes-benz ml350. the contact stated that while driving at various speeds, the vehicle shook abnormally before the vehicle lost automotive power. the contact was able to restart the vehicle and take the vehicle to a local dealer. the contact stated that the vehicle was repaired under nhtsa campaign number: 22v955000 (fuel…”
2024-06-06 · Service Brakes“i was in drive mode and was looking to park the car on the open spot on the street. had engaged the reverse gear and was attempting to get in the parallel parking spot. while i was doing that, suddenly the wheel locked up and car stopped with a jerk/jolt. then came warning that the parking brake was not working (remember i had not engaged the parki…”
2024-05-20 · Fuel System, Gasoline · 120,000 mi“the contact owns a 2015 mercedes-benz ml350. the contact stated while reversing, the vehicle stalled and failed to restart. the vehicle was towed to the local mechanic who determined that the fuel pump was faulty and needed to be replaced. the fuel pump was replaced, and the vehicle was repaired. the local dealer and manufacturer were notified of t…”
2024-03-14 · Unknown Or Other“the center console box will jot close. i have researched and this is a common problem with this car. you can not just replace the closure part it requires a whole new box. this is at a cost of 400.00plus dollars. this is obviously a defect. …”
2024-01-13 · Engine“precense of some liquik oil from up motor litle meiby ist because change oil because i buy recently , i need observed ,ore time today i clean this area.…”
2023-09-15 · Latches/Locks/Linkages:doors:latch · 58,000 mi“the contact owns a 2015 mercedes benz ml350. the contact stated that the rear driver’s side door failed to close properly after several attempts. the vehicle was taken to a dealer and the contact asked the mechanic to inspect the vehicle. the door failed to open after several attempts. the contact was provided an estimate for the repair. the manufa…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.