2010 Mercedes-Benz GLK350 Fuel/propulsion System Problems
NHTSA component category: FUEL/PROPULSION SYSTEM · data through 07/14/2026
Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.
How fuel/propulsion system ranks on this vehicle
Share of the 241 complaints citing each category; one complaint can cite several. Full breakdown on the 2010 Mercedes-Benz GLK350 overview page.
What owners report
“THERE IS A VERY STRONG FUEL ODOR COMING FROM REAR LEFT PASSENGER TIRE AREA WHEN TANK GETS COMPLETELY WITH GAS. I NOTICED THE SMELL AFTER…”NHTSA complaint 11046442 — filed 11/16/2017
“THE CONTACT OWNS A 2010 MERCEDES-BENZ GLK350. WHILE DRIVING 60 MPH, FUEL LEAKED FROM THE VEHICLE. IN ADDITION, THE VEHICLE LEAKED FUEL ONTO THE GROUND…”NHTSA complaint 10929698 — filed 12/02/2016
“EXCESSIVE FUEL SMELL, TURNS OUT IT'S THE FUEL TANK, WAS INFORMED PLASTIC FUEL TANK SEAM IS SPLITTING AND IS NOW A FIRE/SAFETY ISSUE. INFORMED THAT…”NHTSA complaint 10925666 — filed 11/13/2016
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Fuel/propulsion System complaints by year filed
Frequently asked questions
Does the 2010 Mercedes-Benz GLK350 have fuel/propulsion system problems?
Fuel/propulsion System is the #2 most-reported problem area on the 2010 Mercedes-Benz GLK350: 26 of 241 complaints on file (10.8%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2010 Mercedes-Benz GLK350 have in total?
241 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 12 involved a crash, 2 involved a fire, 7 reported injuries, and none reported deaths.
What does NHTSA's fuel/propulsion system category include?
NHTSA assigns each complaint to standard component categories; this page reports the FUEL/PROPULSION SYSTEM category exactly as NHTSA defines and records it.
