2014 Mercedes-Benz ML350 Reliability Data: Problems & Recalls
Good The 2014 Mercedes-Benz ML350 has a complaint index of 40, ranking 4th out of 6 model years, with a Good verdict. It has 68 complaints, 4 recalls, and no do-not-drive recalls, with Electrical System issues topping the list at 32% of complaints.
Based on NHTSA complaints per model-year, not a reliability rating. Methodology
YearToAvoid Scorecard
- Complaint Index
- 40/100
- #4 of 6 ML350 years
- Verdict
- Good
- vs. other years of this model
- Complaints
- 68
- unique NHTSA reports
- Recalls
- 4
- distinct NHTSA campaigns
- Crashes
- 7
- reported in complaints
- Fires
- 2
- Injuries
- 3
- Top issue
- Electrical System
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 19
- 18 city / 22 hwy
- Injuries / deaths
- 3 / 0
Top 2014 Mercedes-Benz ML350 problems
Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.
- Electrical System22 (32%)
- Engine20 (29%)
- Other17 (25%)
- Fuel System12 (18%)
- Structure & Body6 (9%)
- Lane Departure5 (7%)
- Airbags4 (6%)
- Steering4 (6%)
- Transmission & Powertrain4 (6%)
- Suspension, Wheels & Tires3 (4%)
A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.
What owners report
- Airbags failed to deploy during a significant rear-end collision despite substantial vehicle damage.
- Steering pulled sharply to one side accompanied by a grinding, metal-dragging noise, leading to a collision.
- Vehicle experienced sudden unintended acceleration approaching a stop, with brakes reportedly failing to stop it in time.
- A tire separated from the vehicle shortly after a dealership inspection and tire check, causing an accident.
- Engine stalled at highway speed due to reportedly defective engine module pins, requiring dealer repair.
- Transmission became stuck in fourth gear at highway speed after shifting at high revs, with paddle shifters unresponsive.
2014 Mercedes-Benz ML350 recalls
4 NHTSA recall campaigns list this model year.
- NHTSA 22V955000Dec 23, 2022Fuel System348,183 vehicles
Fuel system, diesel: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.
- NHTSA 19V787000Nov 1, 2019Other24,226 vehiclesOver-the-air fix
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.
- NHTSA 18V272000Apr 27, 2018Suspension, Wheels & Tires9,725 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.
2014 Mercedes-Benz ML350 fuel economy and fuel cost
- City
- 18 MPG
- Highway
- 22 MPG
- Combined
- 19 MPG
- Annual fuel cost (EPA)
- $4,200
- 15,000 mi/yr
- Fuel
- Premium
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2014 compared with other ML350 years
Frequently asked questions
- Is the 2014 Mercedes-Benz ML350 reliable?
- Based on NHTSA owner complaints and recalls, the 2014 ML350 ranks 4th out of 6 model years with a complaint index of 40 and a Good verdict, meaning it performs better than most other years of this model.
- What are the most common problems with the 2014 ML350?
- NHTSA complaints show Electrical System issues lead with 22 complaints (32% share), followed by Engine problems with 20 complaints (29%) and Fuel System issues with 12 complaints (18%).
- Does the 2014 ML350 have any recalls?
- NHTSA lists 4 recalls for the 2014 ML350, covering the fuel system, an eCall software timing fault, a suspension oil reservoir seal, and an electrical system software update. None are do-not-drive recalls.
- What year ML350 should I avoid instead of 2014?
- Among ML350 model years with data, 2010 and 2011 carry Avoid verdicts with complaint indexes of 80 and 100, both worse than the 2014 model's index of 40.
- How does the 2014 ML350 compare to the 2013 and 2015 models?
- The 2013 ML350 has a complaint index of 0 and a Best verdict, while 2015 has an index of 20 and also earns Best, both outperforming the 2014 model's index of 40.