One problem related to other fuel system tank assembly has been reported for the 2009 Mercedes Benz ML320. The most recently reported issues are listed below.
Engine light code related to defective heater element in bluetec fluid tank. Mercedes states it is an emissions system but is not covered under emissions warranty. No change in vehicle performance, 35,000 miles.
| Other Fuel System Pump problems | |
| Other Fuel System Tank Assembly problems | |
| Other Fuel System problems |