2023 Mercedes-Benz Sprinter 3500 Fuel system Problems
- Complaints
- 1about this part
- Share
- 6%of 17 total for the year
- Median mileage
- 46,000miles
- Trend
- Too newThis model year is less than 4 years old, so a trend is not meaningful yet.
NHTSA recorded 1 complaints about the fuel system of the 2023 Mercedes-Benz Sprinter 3500, 6% of the 17 complaints for this model year. Where a mileage was given, the median is 46,000 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.
“The contact owns a 2023 Mercedes-Benz Sprinter 3500. The contact stated while driving at approximately 35 MPH, the vehicle stalled. The contact stated there was no warning light illuminated. The contact had attempted to restart the vehicle and the vehicle failed to restart. The contact had the vehicle towed to a local dealer, where it was diagnosed and determined that the diesel fuel was contaminated, and the entire diesel fuel system needed to be replaced. The vehicle was not repaired. The contact independently had samples of the diesel fuel tested and no water or contamination was found. …”
NHTSA complaint #11622535, filed 2024-10, 46,000 milesRelated service bulletins
- 11036846Aug 5, 2026Oil Leak at Crankcase Near the High-pressure Fuel Pump OM654 Complaint Visible oil leak at the crankcase near the mounting area of the high‑pressure fuel pump on OM654 engines…
- 11034407Jun 18, 2026Complaint The customer reports that the engine cranks but does not start, or only starts after extended cranking. A check engine light may be present, and fault codes P300616…
- 11034411Jun 16, 2026Fuel Level Unchanged After Refueling Complaint The customer reports that the fuel gauge shows inaccurate readings or remains unchanged after refueling. Cause A. The Fuel Supply…
- 11034409Jun 3, 2026Complaint The check engine light is activated, accompanied by one or more of the following fault codes related to the Boost Pressure Positioner: • P300A6D The boost pressure is…
- 11033165May 8, 2026Check engine light with fault code P3005CA in MRD1 (CDI) Complaint The check engine light is on, with a possiblility in a reduction of power and the presence of soot in the…
- 11031942Apr 29, 2026Complaint The customer reports that the fuel gauge shows inaccurate readings or remains unchanged after refueling. Cause A. The Fuel Supply Control Unit (FSCU) fails to detect a…
- 11030629Mar 23, 2026The check engine light is illuminated, or the AdBlue warning is active, with recorded faults related to AdBlue quality or concentration. Complaint Customer reports an illuminated…
- 11030627Mar 23, 2026Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 present in AdBlue (SCR) control unit (N118/5) Complaint The check engine light or AdBlue…
- 11016429Mar 18, 2025Check engine light or Adblue warning with fault codes P206B31, P203B31, or P300494 when outside temperatures are below 32 degrees Fahrenheit. SCR Gen4 (KP7) Complaint: The check…
- 11016427Mar 10, 2025Procedure for When Diesel Fuel Tank is Filled with Incorrect Fuel Type Complaint: Procedure for When Diesel Fuel Tank is Filled with Incorrect Fuel Type (e.g., gasoline, water…
Fuel system: other model years
Other parts of the 2023 Mercedes-Benz Sprinter 3500
3 complaintsForward collision avoidance
3 complaintsTransmission and drivetrain
3 complaintsEquipment
2 complaintsOther or unknown
2 complaintsSteering
2 complaintsVehicle speed control
2 complaintsAir bags
1 complaintsBrakes
1 complaintsEngine
1 complaintsEngine cooling
1 complaintsLane departure
1 complaints
← All problems reported for the 2023 Mercedes-Benz Sprinter 3500
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