Other Fuel System Tank Filling/charging Problems of Mercedes Benz GLK350

Mercedes Benz GLK350 owners have reported 3 problems related to other fuel system tank filling/charging (under the other fuel system category). The most recently reported issues are listed below.

1 Other Fuel System Tank Filling/charging problem of the 2012 Mercedes Benz GLK350

Failure Date: 12/23/2020

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.

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2 Other Fuel System Tank Filling/charging problem of the 2010 Mercedes Benz GLK350

Failure Date: 08/07/2018

After filling up the tank the car smells and leaks gas. However, the leaks stops after few hours. I took it to an independent mercedes repair shop, they told me they need to change a unit and this is a common issue for mercedes. After spending $450, the problem came back a month later. Now, they are saying, I need to change another fuel unit which will cost me an addition $650!.

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3 Other Fuel System Tank Filling/charging problem of the 2010 Mercedes Benz GLK350

Failure Date: 06/15/2015

Fuel leaking/dripping after filling up with gas. The smell of gas prompted me to look under the vehicle and it was then that I saw a small pool of gas on the driveway. The leaking stopped when the tank was less than ¾ full and recurred when filling the gas tank. No damage yet, going to the dealer for their assesment.


Other Common Other Fuel System related problems of Mercedes Benz GLK350



GLK350 Service Bulletins
GLK350 Defect Investigations