2015 Mercedes-Benz C300 Fuel/propulsion System Problems
Owners have filed 66 complaints with NHTSA about fuel/propulsion system problems on the 2015 Mercedes-Benz C300, 17% of all complaints for this model year. Half of the reports with a mileage happened before 49,000 miles. The words owners use most often: “fuel line” (18% of reports).
- 66fuel/propulsion system complaints
- 49,000median miles at failure
- 1mention a crash
- 1mention an injury
- 0related recalls
- 25%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Fuel line: mentioned in 12 of 66 complaints (18%)
- Crankcase ventilation: mentioned in 10 of 66 complaints (15%)
- Gas smell: mentioned in 10 of 66 complaints (15%)
- Code P052E: mentioned in 5 of 66 complaints (8%)
At what mileage do fuel/propulsion system problems happen?
Based on 22 complaints that reported the odometer reading.
How serious are the reports?
Of 66 complaints, 1 mention a crash, 1 an injury.
Mercedes-Benz C300 fuel/propulsion system complaints by model year
| Model year | Fuel/propulsion System complaints | Share of that year | Median miles |
|---|---|---|---|
| 2023 C300 | 1 | 5% | — |
| 2022 C300 | 4 | 16% | — |
| 2021 C300 | 2 | 14% | — |
| 2020 C300 | 3 | 9% | 87,000 |
| 2019 C300 | 7 | 10% | 28,000 |
| 2018 C300 | 9 | 9% | 62,000 |
| 2017 C300 | 30 | 14% | 47,000 |
| 2016 C300 | 57 | 20% | 50,000 |
| 2015 C300 | 66 | 17% | 49,000 |
| 2014 C300 | 1 | 1% | — |
| 2013 C300 | 2 | 1% | — |
| 2012 C300 | 9 | 3% | 68,500 |
| 2011 C300 | 38 | 8% | 80,000 |
| 2010 C300 | 26 | 6% | 70,000 |
| 2009 C300 | 4 | 1% | 60,500 |
| 2008 C300 | 2 | 0% | 66,287 |
When owners reported it
Related recalls (0)
No safety recall lists fuel/propulsion system for the 2015 Mercedes-Benz C300. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
I was driving my car was sputtering or trying to shut off while I press the gas and I let go of the gas and it catches and stayed on. I took it to the dealership and they said they found nothing wrong. May 3rd around 12pm im driving on the freeway and as im getting on the express lane going 60 it…
Fuel hose system leaking. Inhalation of gas fumes caused headaches and nausea. Risk of vehicle fire. Yes, the problem has been confirmed by a Mercedes dealer. This is a known issue with Mercedes C300 2015 models and other years. There have been other complaints/lawsuits against Mercedes not wanting…
There seems to be a continuous gas smell in my car and I see some class action law suits for the same problem but dealership says there is no recall- synopsis of class action below February 26, 2021 â A Mercedes C300 fuel smell has led to a class action lawsuit that alleges 2015-2019 (W205)…
Frequently asked questions
Do all 2015 Mercedes-Benz C300s have fuel/propulsion system problems?
No. NHTSA has 66 owner complaints about fuel/propulsion system for the 2015 Mercedes-Benz C300 (17% of the 381 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2015 Mercedes-Benz C300 fuel/propulsion system?
No recall currently lists fuel/propulsion system for this vehicle.
At what mileage do fuel/propulsion system problems start?
The median reported mileage is 49,000 miles: half of the reports with a mileage came before that.
What do owners say about fuel/propulsion system problems on the 2015 Mercedes-Benz C300?
The most frequent phrase is “fuel line”, in 12 of 66 complaints, followed by “crankcase ventilation” (10).
Other 2015 Mercedes-Benz C300 problems
- Engine problems (127)
- Structure problems (60)
- Electrical System problems (50)
See all 2015 Mercedes-Benz C300 problems or fuel/propulsion system problems across all C300 years.