VehicleVerdict

2017 Mercedes-Benz C300 engine problems

The 2017 Mercedes-Benz C300 has 78 engine complaints filed with NHTSA — 27% of the year's total, and roughly flat versus the prior model year.

78

Engine complaints

27%

Share of year

0

Crash-involved

0

Related recalls

Engine complaints by year

C300 engine complaints by model year129 complaints2008: 35 complaints2009: 22 complaints2010: 13 complaints2011: 11 complaints2012: 5 complaints2013: 8 complaints2014: 2 complaints2015: 129 complaints2016: 94 complaints2017: 78 complaints
C300 engine complaints by model year. Red bars are years to avoid.

What owners report

The contact owns a 2017 Mercedes-Benz C300. While driving at approximately 15 mph, the contact observed smoke emanating from under the hood. The vehicle was driven to her work location and parked. Upon exiting the vehicle and opening the hood, she observed orange flames coming from the engine…

Complaint filed with NHTSA · Engine · October 29, 2025 · fire

Common questions

How many engine complaints does the 2017 Mercedes-Benz C300 have?

NHTSA has 78 complaints about the 2017 Mercedes-Benz C300 engine — 27% of all complaints filed for that model year.

Related

Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.

Compiled by Sharon Ben-Moshe, Founder.