One problem related to other fuel system tank filling/charging has been reported for the 2012 Mercedes Benz GLK350. The most recently reported issues are listed below.
Strong fuel/gas smell notice everytime fuel tank filled up, strong gas smell or odor notice inside the cabin and outside for days or until fuel used and go down to certain level. Also notice leaking on the wiper fluid tank/reservoir when filling up.
| Other Fuel System Tank Assembly problems | |
| Other Fuel System problems | |
| Other Fuel System Tank Filling/charging problems |