2015 Mercedes-Benz C300 Electrical System Problems
NHTSA component category: ELECTRICAL 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 electrical system ranks on this vehicle
Share of the 376 complaints citing each category; one complaint can cite several. Full breakdown on the 2015 Mercedes-Benz C300 overview page.
What owners report
“WHILE I WAS TRAVELLING ON HIGHWAY, I GOT AN ALERT ABOUT COLLISION SYSTEM BEING INOPERABLE, I TOOK MY CAR TO THE DEALERSHIP, IT WAS INVESTIGATED…”NHTSA complaint 11290270 — filed 12/20/2019
“12/6/17 AIRBAG FRONTAL,8/31/17 ELECTRIAL SYSTEM STARTER ASSEMBLY,8/31/17 ENGINE AND ENGINE COOLING ENGINE,4/21/17 ELECTRICAL SYSTEM SOFTWARE AND 4/21/17 AIRBAG FRONTAL SENSOR/CONTROL MODULE.RECALL ON THESE PARTS.”NHTSA complaint 11207403 — filed 05/14/2019
“WHEN ACCELERATING WITH MY MERCEDES C300, THE CAR IS ACTUALLY LOOSING POWER. THE EFFECT IS REINFORCED AS THE CONTROLLING SYSTEM IS BLOCKING THE ACCELERATION. RESULT…”NHTSA complaint 11190184 — filed 03/20/2019
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2015 Mercedes-Benz C300 have electrical system problems?
Electrical System is the #4 most-reported problem area on the 2015 Mercedes-Benz C300: 49 of 376 complaints on file (13%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2015 Mercedes-Benz C300 have in total?
376 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 9 involved a crash, 1 involved a fire, 7 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.
