Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
3Original wording in English
MERCEDES-BENZ, MERCEDES-MAYBACH
Check engine light active and FC P146364 Temp. and pressure sensor B4/7 is stored in Engine control unit and Fuel pump control unit. Software parameter in Fuel pump control unit. Perform software update for Fuel System Control Module (FSCM) N118. New software is A0009026661.
MERCEDES-BENZ, MERCEDES-MAYBACH
IMPORTANT EMISSION EXTENDED WARRANTY INFORMATION In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC ("MBUSA") is extending the warranty coverage on the Fuel System Control Module (FSCM) software in certain Model Year ("MY")…
MERCEDES-BENZ
Check Engine Lamp Illuminated, Fault Code P146364 stored
Check vehicle applicability
32A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Mercedes-Benz | A 220 ↗ | 2020 |
| Mercedes-Benz | A 220 ↗ | 2019 |
| Mercedes-Benz | AMG A35 ↗ | 2020 |
| Mercedes-Benz | AMG CLA35 ↗ | 2020 |
| Mercedes-Benz | AMG CLA45 ↗ | 2020 |
| Mercedes-Benz | AMG GLA35 ↗ | 2021 |
| Mercedes-Benz | AMG GLA45 ↗ | 2021 |
| Mercedes-Benz | AMG GLB35 ↗ | 2021 |
Code meaning and manufacturer information
Original wording in English · Historical directory labels; manufacturer applicability has not been established for every entry.
A/C Pressure Sensor Insufficient Pressure Change
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.