2009 Mercedes-Benz C350 Fuel system Problems
- Complaints
- 3about this part
- Share
- 5%of 65 total for the year
- Median mileage
- 45,800miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the fuel system of the 2009 Mercedes-Benz C350, 5% of the 65 complaints for this model year. Where a mileage was given, the median is 45,800 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I've noticed a severe gasoline smell (inside and outside) and vehicle will stall at times when starting the car, so we took it a dealer for diagnostic and get it fixed. They found left fuel sending unit was leaking from a plastic weld. It seems little odd to have this types of issues at a such young age of the car.”
NHTSA complaint #10558017, filed 2013-12, 45,800 miles“First day when receiving my keys for a brand new mercedes C350 2009 at the dealership...engine light turns on. Later finding out it was the fuel system needed to be replaced. A month later of getting a brand new car corrosion was found in the taillights. Then finding out corrosion on the brake pads. Months after this the power train was slipping up... The rpms of the car would surge up high and remain stuck at high rpms. If I accelerated the gas it would shoot up higher to higher rpms and the car would make the noise but it wouldn't move. …”
NHTSA complaint #10586814, filed 2014-05, 5 milesRelated service bulletins
- 10167553Jul 1, 2013Combination message: "Clean fuel filter" is displayed. The fault code 162500 (water level message - Bosch) or P226997 (water level message - Delphi) or 171600 (filter load…
Fuel system: other model years
Other parts of the 2009 Mercedes-Benz C350
25 complaintsSteering
20 complaintsElectrical system
16 complaintsExterior lighting
13 complaintsEngine
5 complaintsBrakes
3 complaintsSeats
3 complaintsOther or unknown
2 complaintsTransmission and drivetrain
2 complaintsSeat belts
1 complaintsBody and structure
1 complaintsSuspension
1 complaints
← All problems reported for the 2009 Mercedes-Benz C350
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology