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2016 Mercedes-Benz C300 Fuel/propulsion System Problems

NHTSA component category: FUEL/PROPULSION SYSTEM · data through 07/14/2026

57Fuel/propulsion System complaints
20%Of all 285 complaints
#3Most-reported category

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

ENGINE93 · 32.6%
Unspecified / other64 · 22.5%
FUEL/PROPULSION SYSTEM57 · 20%
STRUCTURE:BODY24 · 8.4%

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

320197202052021102022162023520248202532026

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 07/14/2026. 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.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/14/2026.