2011 Mercedes-Benz C300 Fuel/propulsion System Problems
NHTSA component category: FUEL/PROPULSION SYSTEM · data through 07/12/2026
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 480 complaints citing each category; one complaint can cite several. Full breakdown on the 2011 Mercedes-Benz C300 overview page.
What owners report
“THERE APPEARS TO BE IS A CRACK ON THE FUEL FILTER. THIS CRACK HAS RESULTED IN A FUEL LEAK, INCREASING THE RISK OF A FIRE…”NHTSA complaint 11030861 — filed 10/02/2017
“THE CONTACT OWNS A 2011 MERCEDES-BENZ C300. THE CONTACT STATED THAT A STRONG FUEL ODOR WAS PRESENT INSIDE THE CABIN OF THE VEHICLE. WHEN FUELING…”NHTSA complaint 10995556 — filed 06/16/2017
“ABOUT 5 MONTHS AGO I SMELLED A STRONG ODOR OF GAS FUMES OMITTING FROM MY CAR WHILE I WAS DRIVING ON THE FREEWAY. I LIVE…”NHTSA complaint 10990845 — filed 05/22/2017
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 2011 Mercedes-Benz C300 have fuel/propulsion system problems?
Fuel/propulsion System is the #4 most-reported problem area on the 2011 Mercedes-Benz C300: 38 of 480 complaints on file (7.9%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2011 Mercedes-Benz C300 have in total?
480 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 15 involved a crash, 6 involved a fire, 14 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.