Where is the Mercedes-Benz fuel low-pressure circuit sensor located?
2 Answers
The Mercedes-Benz fuel low-pressure circuit sensor is installed in the fuel inlet pipes of the two high-pressure fuel pumps. Below is a detailed introduction to Mercedes-Benz vehicles: 1. Exterior: The front face of the new C-Class car has a more three-dimensional and dynamic appearance. Transparent crystal diamond-style xenon headlights are also standard equipment for the C-Class. The new C-Class also uses nano-technology-based scratch-resistant paint, which offers higher resistance to scratches, ensuring the paint remains as bright as new. 2. Powertrain: Equipped with a six-cylinder engine that excels in both smooth operation and power performance.
I remember working on Mercedes-Benz vehicles for many years. The fuel low-pressure circuit sensor is usually located near the fuel filter assembly or directly connected to the pump module, with its position varying significantly depending on the model. For example, in C-Class or E-Class models, it's often hidden next to the filter under the chassis and requires lifting the car for a clear view. In newer S-Class models, it might be designed on the right side of the fuel tank opening. When diagnosing it myself, I first check if the engine warning light is on. If the sensor fails, unstable fuel pressure can cause failure to start or weak acceleration. Replacing it isn't overly complicated—you can use a wrench to remove the filter cover, but always disconnect the battery to prevent short circuits. I must emphasize that the location isn't fixed. In older Mercedes models, it might be in the engine bay. Consulting the manual is the most reliable way to avoid mistakes that could harm the vehicle. Safety first—beginners shouldn't tamper with high-pressure areas. I recommend a visit to the dealership for a thorough check.
