2017 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 214 complaints citing each category; one complaint can cite several. Full breakdown on the 2017 Mercedes-Benz C300 overview page.
What owners report
“Hey good morning. Thereâs been a been a system failure. P052E Positive Crankcase Ventilation Regulator Valve Performance. Warning message I got was the engine light…”NHTSA complaint 11500059 — filed 01/04/2023
“I was reversing my vehicle when I heard a snap, and the inside dash panel warning sign came onâ¦later I google it and found out…”NHTSA complaint 11492300 — filed 11/04/2022
“Light came on tonight and stayed on, Collinsion prevention assist inoperable. Car has been involved in any collision for this system to quit out of…”NHTSA complaint 11429955 — filed 08/21/2021
Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.
Electrical System complaints by year filed
Frequently asked questions
Does the 2017 Mercedes-Benz C300 have electrical system problems?
Electrical System is the #3 most-reported problem area on the 2017 Mercedes-Benz C300: 30 of 214 complaints on file (14%). Complaints are unverified owner reports, not confirmed defects.
How many complaints does the 2017 Mercedes-Benz C300 have in total?
214 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 10 involved a crash, 3 involved a fire, 16 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.
