2016 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 285 complaints citing each category; one complaint can cite several. Full breakdown on the 2016 Mercedes-Benz C300 overview page.
What owners report
“Car smells like gasoline especially when the s/c or heater is in use.”NHTSA complaint 11498166 — filed 12/19/2022
“Horrible fuel smell coming through Air conditioning vents on cold start up. This presents a safety hazard as there is an obvious fuel leak on…”NHTSA complaint 11490742 — filed 10/25/2022
“Fuel leak from fuel lines from high pressure fuel pump. This is a common problem for C300s from 2015 to 2019, especially in cold weather…”NHTSA complaint 11450733 — filed 02/07/2022
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 2016 Mercedes-Benz C300 have fuel/propulsion system problems?
Fuel/propulsion System is the #3 most-reported problem area on the 2016 Mercedes-Benz C300: 57 of 285 complaints on file (20%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2016 Mercedes-Benz C300 have in total?
285 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 7 involved a crash, 5 involved a fire, 8 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.