Most common 2014 Mercedes-Benz AMG ML63 problems
Share of the 3 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Mercedes-Benz AMG ML63 complaints by model year
2014 Mercedes-Benz AMG ML63 recalls (3)
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.
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.
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.
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.
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…
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.
What 2014 Mercedes-Benz AMG ML63 owners say
Engine & cooling
The contact owns a 2014 Mercedes-Benz AMG ML63. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated on the instrument panel with the "Low Hydraulic Fluid" message displayed. After a visual inspection of the engine compartment, the contact observed hydraulic fluid covering the engine. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was notified of the failure but did not assist. The failure mileage was 50,000.
The contact owns a 2014 Mercedes-Benz ML63 AMG. The contact stated that the vehicle was experiencing front suspension, coolant, and oil leak failures. The contact stated that the front suspension unexpectedly lowered while the vehicle was parked or while driving. The message "Active Curve System Malfunction" was displayed. The vehicle was towed to the dealer, where unknown repairs were performed. Additionally, the contact noticed a coolant leak in the garage, where the vehicle was parked. The vehicle was taken to two certified independent mechanics, where unknown repairs were performed; however, the failure recurred. The vehicle was taken to the dealer, where the seals were inspected and corrected, and it was diagnosed that the front left cylinder and the lower and upper radiator hoses were leaking. Additionally, a leak was found at the firewall connection. …
Frequently asked questions
Is the 2014 Mercedes-Benz AMG ML63 a good car?
Based on 3 owner complaints filed with NHTSA, the 2014 AMG ML63 rates few complaints: about as many complaints as a typical year of the AMG ML63 at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2014 Mercedes-Benz AMG ML63?
The engine & cooling — 3 complaints, 100% of all complaints for this model year. Next are the brakes (1) and fuel & propulsion system (1).
How many recalls does the 2014 Mercedes-Benz AMG ML63 have?
There are 3 recalls for the 2014 Mercedes-Benz AMG ML63, the most recent from December 23, 2022 (control/drive module). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
At what mileage do 2014 Mercedes-Benz AMG ML63 problems happen?
The median mileage reported in complaints is about 100,000 miles; 0% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.