Where is the fuel pressure sensor on a Mercedes-Benz W204?
The fuel pressure sensor sits in the lid of the fuel filter under the left rear seat in the 2008 C350 and is VIN specific. There are several different types of filters and pumps for the W204 family so make sure to have your VIN handy when ordering.
Where is the fuel pressure sensor on a C350?
When they fail completely, you may be left with an engine that doesn’t run at all. If you are getting an error code for the pressure sensor make sure to replace it right away. The fuel pressure sensor sits in the lid of the fuel filter under the left rear seat in the 2008 C350 and is VIN specific.
How does a Mercedes Benz Fuel pressure test work?
A fuel pressure check on your Mercedes-Benz will tell you if the fuel pressure is withing range or not. For this test, you will need a fuel pressure gauge. The Actron CP7818 fuel tester works on most Mercedes-Benz and has the required Schrader valve required for MB cars.
How to troubleshoot a Mercedes Benz fuel pump problem?
Troubleshooting a bad fuel pump problem on a Mercedes-Benz is easy. This is a job where you need to be extremely careful because you will work near fuel and there is always the risk of fire. It is recommended that you empty the tank or have the fuel tank near empty when you replace the fuel pump.
Where is the fuel pressure sensor on a Mercedes Benz?
Use a 8mm socket and remove the four bolts (red arrows). Lift the cover off and peel back the sealant around the wiring pass through. The fuel pressure sensor is located in the lid of the fuel filter and can be replaced without removing the retaining ring or pump (red arrow). Disconnect the electrical connection from the sensor (red arrow).
When do you need a Mercedes fuel pressure test?
If you suspect that your fuel pump is not working, you need to perform a fuel pressure test to verify. A fuel pressure check on your Mercedes-Benz will tell you if the fuel pressure is withing range or not. For this test, you will need a fuel pressure gauge.
Troubleshooting a bad fuel pump problem on a Mercedes-Benz is easy. This is a job where you need to be extremely careful because you will work near fuel and there is always the risk of fire. It is recommended that you empty the tank or have the fuel tank near empty when you replace the fuel pump.
Why does my DPF sensor stop working on my Mercedes?
As with any other sensor, this one can fail out of various reasons. In some cases, incorrect readings can give a misleading representation on DPF state. In most cases, the sensor will stop operating. This will give a ‘check engine’ light and a corresponding code. This usually triggers limp home mode, so you can expect a noticeable loss of power.