Vehicle Data Hub

2017 Mercedes-Benz C300 fuel system problems

Owners reported fuel system problems in 33 complaints for the 2017 Mercedes-Benz C300, 11% of the complaints on file. It is the 2nd most reported problem area for this model year.

At a glance

Complaints
33 12% of this year's complaints
Crashes and fires
0 and 1
Injuries and deaths
0 and 0

Source: NHTSA owner complaints

What the data shows

These complaints mention 1 fire.

What owners wrote

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 compartment. A parking attendant extinguished the fire, and a police and/or fire report was filed. The vehicle was towed to a dealer and diagnosed with a fuel line leak that caused the engine harness to come apart.

Reported at 65,422 miles, October 2025 Fire

Tl* the contact owns a 2017 mercedes benz c300. The contact stated that while the heater was activated, there was an abnormal fuel odor coming from the vents into the vehicle. The vehicle was not taken to a dealer or mechanic to be diagnosed. The contact stated that the fuel odor only occurred during the winter. The contact also stated that the fuel tank hose clip that goes to the engine became loose and cause the fuel odor to penetrate inside the vehicle. The manufacturer was contacted.

Reported at 55,000 miles, September 2020

Other problems reported for the 2017 Mercedes-Benz C300

Fuel system problems in other years

  • 2027
  • 2026
  • 2025
  • 2024
  • 2023
  • 2022
  • 2021
  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2015
  • 2014
  • 2013
  • 2012
  • 2011
  • 2010
  • 2009
  • 2008

Fuel system problems across all Mercedes-Benz models