Most common 2012 Mercedes-Benz ML550 problems
Share of the 1 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Mercedes-Benz ML550 complaints by model year
Best ML550 years: 2012, 2009, 2014. Compare all years →
2012 Mercedes-Benz ML550 recalls (2)
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.
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.
Frequently asked questions
Is the 2012 Mercedes-Benz ML550 a good car?
Based on 1 owner complaint filed with NHTSA, the 2012 ML550 rates few complaints: 64% fewer complaints than a typical year of the ML550 at the same age. It is one of the best ML550 years by this measure. 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 2012 Mercedes-Benz ML550?
The electrical system — 1 complaint, 100% of all complaints for this model year. Next are the engine & cooling (1) and driver assistance (1).
How many recalls does the 2012 Mercedes-Benz ML550 have?
There are 2 recalls for the 2012 Mercedes-Benz ML550, 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.
What are the best and worst years of the Mercedes-Benz ML550?
The best years by complaints, compared at the same age, are 2012, 2009 and 2014. See the full Mercedes-Benz ML550 years comparison.
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.