# P300C on the 2024 Mercedes\-Benz eSprinter

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name P300C

- [11009855](https://open.wenmarpro.com/bulletins/11009855), 2024-11-05: Complaint Check engine warning light active. Fault code P300CA8 or P300CA9 "Hot film mass air flow sensor malfunction" present in engine control unit. Cause These faults can be set if: 1. A leakage upstream of the exhaust gas turbocharger causing a to high EGR rate. 2. Carbonized parts, e.g., the intake module, housing intermediate flange on high\-pressure EGR valve \(assembly of exhaust pressure sensor P3\) or the intake ports also let through too little air. 3. The air filter has been highly soiled, incorrectly positioned or has a deformation.