Mercedes-Benz GLC 300 fuel problems
16 complaint narratives mention fuel terms.
Key facts
417 owner complaints analyzed
46 distinct recall campaigns
15,200 mi median reported failure mileage
Scope: 2018 to 2026 model years. Data snapshot: . 90 complaints include usable failure mileage.
Fuel system concerns evidence
16 of 417 complaints match this topic (3.8%). The keyword filter can include complaints that mention a transmission without reporting its failure. View matching rules.
Owner report 11576098 · 2024-03-07 (March 7, 2024)
Car failed to accelerate due to faulty fuel pump, fuel tank, etc. Car stopped and died several times in the middle of heavy traffic. Mercedes Benz of West Houston, Sewell Dealership, has my car that was towed to them late afternoon on 3/5/2024. I have owned a Mercedes for over 40 years and never had this occur or be scared due to the car’s lack of performance.
Owner-reported narrative. Look up ODI 11576098 at NHTSA ↗
Owner report 11666424 · 2025-06-11 (June 11, 2025)
On May 22, 2025, while parked, my 2019 Mercedes-Benz GLC300 spontaneously caught fire, completely destroying the vehicle. Thankfully, no one was inside, and no injuries occurred, but the property damage was significant. I later discovered Recall 21V961000 / Campaign 2022030003 affecting some 2019 GLC300s for fuel leaks at the fuel rail/injector interface, which pose a serious fire hazard. Further research has shown reports of loose ground connections in these vehicles as well, increasing the risk of sparks igniting leaked fuel. Given that my …
Owner-reported narrative. Look up ODI 11666424 at NHTSA ↗
Owner report 11651058 · 2025-03-27 (March 27, 2025)
Dear Sirs: I own a 2020 GLC300W Mercedes SUV. As of this date, It has stalled 5 times while driving on the highway and on the roads within an 8 month period. Throughout this period, I have taken the vehicle to the Mercedes dealership in Riverside, CA three times to have this inspected. After their first inspection, the dealership claimed that the problem was due to a recall on a computer software update needed. However, the vehicle stalled two more times while driving on the highway. After the second inspection, the dealership claimed the prob…
Owner-reported narrative. Look up ODI 11651058 at NHTSA ↗
Owner report 11665281 · 2025-06-06 (June 6, 2025)
•Jan 2025, while the car owner was driving her GLC300, a warning light came on, the car shook and then shut down. AAA tow truck suggested Green’s Garage as an approved nearby repair shop. Car was towed there and repaired for approximately $450.00. •[XXX], late afternoon, the same problem arose but the car did not shut down. The car owner drove the car home and the car was dropped off at Green's Garage (GG) on the morning of May 27. Late that afternoon, GG called us to tell us the problem is not related to the January repair…Even though the symp…
Owner-reported narrative. Look up ODI 11665281 at NHTSA ↗
Owner report 11618196 · 2024-10-04 (October 4, 2024)
Vehicle has a known engine failure. Leaking valve in Cylinder head. Cylinder 3 injector is faulty
Owner-reported narrative. Look up ODI 11618196 at NHTSA ↗