2014 Mercedes-Benz ML350 problems, complaints & recalls

2014 Mercedes-Benz ML350 recalls (4)

• Recall 22V955000Dec 23, 2022348,183 vehicles
  FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE · FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE

  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.

  Remedy: 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.

• Recall 19V787000Nov 1, 201924,226 vehicles
  COMMUNICATION

  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.

  Remedy: 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.

• Recall 18V272000Apr 27, 20189,725 vehicles
  SUSPENSION:FRONT

  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 Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.

  Risk: The leaking oil in the presence of an ignition source can increase the risk of a fire.

  Remedy: 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.

• Recall 17V177000Mar 14, 201751 vehicles
  AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE · ELECTRICAL SYSTEM:SOFTWARE

  Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 AMG GT-S, GLC300, CLA250 and GLE300d 4Matic vehicles, 2013 C250, E350 BlueTec and G63 AMG vehicles, 2008-2014 C300 vehicles, 2013-2014 C300 4Matic and ML350 4Matic vehicles, 2009 C350 vehicles, 2014 CLS550, E350 4Matic, E350 Coupe 4Matic, E350 Wagon 4Matic, GLK350 and SL550 vehicles, 2012 CLS550 4Matic vehicles, 2012-2016 E350 vehicles, 2016-2017 GL450 4Matic vehicles, 2012-2014 ML350 4Matic BlueTec vehicles, 2015 S550, S550 4Matic and C300 4Matic Sedan vehicles, 2015-2016 C300 Sedan vehicles, and 2017 SL63 AMG vehicles. Various control units on these vehicles may have been updated with incorrect software, potentially affecting the correct deployment of the air bags in the event of a crash.

  Risk: If the air bags do not deploy as intended in the event of a crash, there would be an increased risk of injury in the event of a crash.

  Remedy: MBUSA will notify owners, and dealers will update software in the affected control units, free of charge. The recall began April 21, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

Recent 2014 Mercedes-Benz ML350 complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

1. Filed Sep 1, 2026ILLighting

   Turn signals stop functioning during drive cycles. This functionality is lost for the remainder of the current drive cycle and can be restored with a key cycle. It does not occur every drive cycles and is unpredictable.

   NHTSA complaint #11761320 · source
2. Filed May 18, 2026108,000 miCAVisibility & Wipers

   The contact owns a 2014 MERCEDES-BENZ E350. The contact stated while driving 60 MPH on the freeway, there was a popping noise coming from the sunroof and discovered it was shattered. The vehicle was not taken to the dealer or an independent mechanic for diganoses .The vehicle was not repaired The manufacturer was not notified of the failure. The approximate failure mileage was 108,000 .

   NHTSA complaint #11738634 · source
3. Filed Apr 6, 2026115,000 miMOFuel, Hybrid & EV Propulsion

   The contact owns a 2014 Mercedes-Benz ML350. The contact stated that while driving at 35 MPH and accelerating above 40 MPH, the vehicle failed to accelerate above 40 MPH before it lost automotive power. The vehicle was driven back to the residence. The vehicle was diagnosed by the dealer, and the failure was associated with NHTSA Campaign Number: 22V955000 (FUEL SYSTEM, DIESEL, FUEL SYSTEM, GASOLINE); however, the VIN was not associated with the recall repair. The vehicle…

   NHTSA complaint #11729477 · source
4. Filed Jan 28, 2026CAFireOther / Unknown

   Today at 1/27/25 630 pm my vehicle caught fire.i was told that the vehicle was subject to the Active Curve System (Recall 18V272) and Fuel Pump (Recall 23V010).

   NHTSA complaint #11713814 · source
5. Filed Dec 11, 2025FLBrakes

   It seems that this vehicle was not included in a brake booster recall which included this model from 2005 through 2015. The brakes are not working properly, and brake fluid has entered the master brake cylinder damaging the seal. It is extremely unsafe to operate this vehicle in this condition. Somehow, this vehicle was not included in the recall, but definitely should have been.

   NHTSA complaint #11704623 · source
6. Filed Nov 20, 2025CAFuel, Hybrid & EV Propulsion

   As we were driving 50mph, the car stalled and lost all power. The dashboard lights all lit up and the car wouldn't start. I don't get unnerved easily and it was fairly intense not being able to move your car out of traffic. After about 5 mins, the car would start again only to stop a minute or so later. After taking the car to the dealer, the issue stemmed from the fuel pump electronics board getting wet in the spare tire wheel well where water was accumulating. This was…

   NHTSA complaint #11700540 · source
7. Filed Sep 19, 2025NYDriver Assistance & Safety TechElectrical System

   Vehicle: 2014 Mercedes-Benz ML350 VIN: [XXX] I have experienced repeated failures of the Blind Spot Assist / driver-assist system since purchasing this vehicle. When I first purchased the ML350 in Texas, the vehicle already showed warning messages (“Blind Spot Assist Inoperative / Pre-Safe Function Limited”). The dealer attempted repairs before delivery, but the defect persisted. After moving to New York, the problem continued. On June 26, 2023, I took the vehicle to The…

   NHTSA complaint #11688328 · source
8. Filed Jul 24, 2025170,001 miGADriver Assistance & Safety Tech

   The contact owns a 2014 Mercedes-Benz ML350. The contact stated that upon starting the vehicle, the blind spot warning light illuminated. The contact was unable to identify if another vehicle was nearby. The vehicle was taken to an independent mechanic who determined that the blind spot detection system was inoperative. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately…

   NHTSA complaint #11675826 · source

Compare the 2014 Mercedes-Benz ML350 with another vehicle →

Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology