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Fuel systemPart report

2013 Mercedes-Benz GLK350 Fuel system Problems

Complaints
8about this part
Share
6%of 137 total for the year
Median mileage
66,300miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 8 complaints about the fuel system of the 2013 Mercedes-Benz GLK350, 6% of the 137 complaints for this model year. Where a mileage was given, the median is 66,300 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“Vehicle has ~ 20k miles, brought into dealer because ABS light went on while driving saying system was inoperative. Dealer then found gas tank leak, and would not let me leave the dealer, because of the safety hazard. Search shows recall for earlier model year 2012 with same issue, but dealer says no recall for 2013. Abs sensors are also malfunctioning while driving. Two separate incidents for ABS sensors. Two been replaced within one week!”

NHTSA complaint #11112787, filed 2018-07, 19,437 miles

“I am writing to express a serious safety concern regarding the Mercedes-Benz GLK 350, particularly related to the fuel pump system under the rear passenger area. It has come to my attention that the fuel pumps in these vehicles emit a strong, unpleasant odor every time the car is refueled. As a safety engineer, I can confirm that this poses a significant risk to both the driver and passengers. …”

NHTSA complaint #11634148, filed 2025-01

“I am writing to express a serious safety concern regarding the Mercedes-Benz GLK 350, particularly related to the fuel pump system under the rear passenger area. It has come to my attention that the fuel pumps in these vehicles emit a strong, unpleasant odor every time the car is refueled. This poses a significant risk to both the driver and passengers. I have personally experienced a similar issue with a 2013 Mercedes-Benz GLK350, where the pumps were constructed with a substandard plastic material that, over time, will melt and start dripping from the top of the pump. …”

NHTSA complaint #11692024, filed 2025-10

“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. …”

NHTSA complaint #11570907, filed 2024-02, 130,000 miles

“The contact owns a 2013 Mercedes-Benz GLK350. The contact stated that the odor of fuel was present inside and outside of the vehicle. While the vehicle was parked fuel leaked underneath 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.”

NHTSA complaint #11574920, filed 2024-03, 66,300 miles

Related service bulletins

Fuel system: other model years

YearComplaintsShare of year
201565%
201488%
201386%
2012138%
20112116%
20103012%

Other parts of the 2013 Mercedes-Benz GLK350

Air bags
100 complaints
Steering
8 complaints
Brakes
7 complaints
Electrical system
6 complaints
Other or unknown
5 complaints
Seats
4 complaints
Transmission and drivetrain
4 complaints
Engine
3 complaints
Body and structure
3 complaints
Vehicle speed control
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Engine cooling
1 complaints

← All problems reported for the 2013 Mercedes-Benz GLK350

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology