Gasoline Fuel System Problems of Mercedes Benz GLK350

Mercedes Benz GLK350 owners have reported 9 problems related to gasoline fuel system (under the gasoline fuel system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Mercedes Benz GLK350 based on all problems reported for the GLK350.

1 Gasoline Fuel System problem of the 2014 Mercedes Benz GLK350

Failure Date: 09/04/2025

See attached document for complaint.

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2 Gasoline Fuel System problem of the 2013 Mercedes Benz GLK350

Failure Date: 02/19/2024

The contact owns a 2013 mercedes Glk350. The contact stated that the odor of fuel was present inside and outside of the vehicle and when parked fuel had leaked under the vehicle. The vehicle was taken to the local mechanic who diagnosed that the driver's side fuel tank housing had cracked causing fuel to leak. The vehicle was not yet repaired. The manufacturer was contacted and informed that the VIN was not included in the manufacturer's extended coverage for the failure. The local dealer was not contacted. The failure mileage was 66,300.

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3 Gasoline Fuel System problem of the 2013 Mercedes Benz GLK350

Failure Date: 10/13/2023

The contact owns a 2013 mercedes-benz Glk350. The contact stated that while the vehicle was parked in the garage, there was a strong gasoline odor coming from the vehicle. Additionally, the contact stated while driving at various speeds, there was a strong gasoline odor inside and outside of the vehicle. The dealer was notified of the failure and informed the contact that a fee would be charged for diagnostic testing. The vehicle was taken to an independent mechanic for an oil change, and the contact was informed that the fuel pump and the fending were leaking. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA hotline for assistance. The failure mileage was approximately 90,000.

4 Gasoline Fuel System problem of the 2014 Mercedes Benz GLK350

Failure Date: 06/05/2023

The contact owns a 2014 mercedes-benz Glk350. The contact stated while starting the vehicle after refueling, there was an abnormal gasoline odor inside the vehicle. The vehicle was taken to the dealer and the contact was informed that the fuel pump was leaking onto the rear seats. The contact was informed that the fuel pump needed to be replaced. The vehicle was not repaired. The manufacturer was contacted, and a case was filed. The failure mileage was 64,000.

5 Gasoline Fuel System problem of the 2015 Mercedes Benz GLK350

Failure Date: 06/01/2023

The contact owns a 2014 Mercedes Benz Glk350. The contact stated after pumping gasoline into the vehicle while driving 65 mph the contact smell of gasoline in the vehicle. The vehicle was not diagnosed. The manufacturer was contacted and stated that there was no recall under the VIN. The failure mileage was 62,000.

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6 Gasoline Fuel System problem of the 2013 Mercedes Benz GLK350

Failure Date: 03/15/2023

The contact owns a 2013 mercedes-benz Glk350. The contact stated that while driving at an undisclosed speed, there was a gasoline odor in the interior of the vehicle. No warning lights were illuminated. The vehicle was taken to an independent mechanic, who determined there was a gasoline leak however, the location of the leak was unknown. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA campaign number: 12v557000 (fuel system, gasoline) but the VIN was not included. The manufacturer was notified of the failure but referred the contact to the NHTSA hotline for assistance. The failure mileage was 130,000.

7 Gasoline Fuel System problem of the 2014 Mercedes Benz GLK350

Failure Date: 08/09/2022

The contact owns a 2014 mercedes-benz Glk350. The contact stated that while driving he noticed a fuel odor throughout the vehicle. The contact referenced NHTSA campaign number: 12v557000 (fuel system, gasoline). Additionally, the contact stated that when he attempted to refuel the vehicle from a half tank, gasoline started spilling from the filler neck unto the exhaust pipes. The dealer was notified of the failure and an appointment was scheduled. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and the contact stated that he was redirected to the manufacturer’s website. The failure mileage was approximately 90,000.

8 Gasoline Fuel System problem of the 2012 Mercedes Benz GLK350

Failure Date: 07/08/2022

The contact owns a 2012 mercedes-benz Glk350. The contact stated that the vehicle was leaking fuel underneath the rear-end of the vehicle. The failure occurred intermittently; however, the leak was now more frequent. The contact took the vehicle to a certified mechanic who diagnosed and related the failure to NHTSA campaign number: 12v557000 (fuel system, gasoline) however, the VIN was not included. The vehicle had not been repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 120,000.

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9 Gasoline Fuel System problem of the 2011 Mercedes Benz GLK350

Failure Date: 06/01/2020

Tl the contact owns a 2011 mercedes-benz Glk350. The contact stated while driving 60 mph, the check engine warning light illuminated and the contact started to smell fuel fumes inside the cab of the vehicle. The contact stated she was able to drive to her destination. The vehicle was taken to local dealer mercedes-benz of san francisco located at 500 8th st, san francisco, CA 94103, (415) 673-2000, however, the mechanic was unable to duplicate the failure. The vehicle was not repaired. The contact continued to experience the failure and saw fuel leaking inside of the vehicle. Upon investigation, the contact associated the failure with NHTSA campaign number: 12v557000 (fuel system, gasoline) however, the VIN was not included. The manufacturer had been informed of failure. The failure mileage was unknown.

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Other Common Gasoline Fuel System related problems of Mercedes Benz GLK350

Problem Category Number of Problems
Gasoline Fuel System problems
9
Fuel Pump problems
2
Tank Assembly problems
2


GLK350 Service Bulletins
GLK350 Defect Investigations