2009 Mercedes-Benz C300 Electrical System Problems
NHTSA component category: ELECTRICAL 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 electrical system ranks on this vehicle
Share of the 576 complaints citing each category; one complaint can cite several. Full breakdown on the 2009 Mercedes-Benz C300 overview page.
What owners report
“2009 MERCEDES BENZ C300 NEEDS REPLACEMENT OF THE ELECTRIC STEERING LOCK (CODE 6180.57-P-051521), NO WARNING LIGHTS APPEARED CAR WOULD NOT TURN ON.”NHTSA complaint 10619405 — filed 08/06/2014
“MY CAR WILL NOT START. BATTERY WAS TESTED AND IS IN GOOD CONDITION. WHEN KEY IS INSERTED THE PANEL SHOWS A MESSAGE SAYING "PLEASE REMOVE…”NHTSA complaint 10617351 — filed 07/29/2014
“I WENT OUT TO MY CAR THIS MORNING TO DRIVE TO WORK AND MY CAR WOULD NOT START. THE LIGHTS CAME ON I COULD LOCK…”NHTSA complaint 10610635 — filed 07/15/2014
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2009 Mercedes-Benz C300 have electrical system problems?
Electrical System is the most-reported problem area on the 2009 Mercedes-Benz C300: 195 of 576 complaints on file (33.9%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2009 Mercedes-Benz C300 have in total?
576 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 14 involved a crash, 18 involved a fire, 13 reported injuries, and none reported deaths.
What does NHTSA's electrical system category include?
NHTSA assigns each complaint to standard component categories; this page reports the ELECTRICAL SYSTEM category exactly as NHTSA defines and records it.
