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Mercedes-Benz · Fuel System

Fuel pressure sensor

The sensor on the rail telling the engine what pressure the fuel is actually at.

How you know it is this

  • A rail pressure fault code
  • Limp mode with no mechanical symptom
  • A car that starts and stalls

Worth knowing before you buy

  • Cheap next to a pump, and a faulty sensor makes a healthy pump look faulty. Always worth ruling out first.
  • The live reading compared against the commanded pressure is what separates a sensor fault from a pump fault.

What we need to quote it. The engine code and the fault codes. The chassis number settles the generation, the body and usually the engine in seventeen characters — it is on your mulkiya. A photograph of the old part helps where there is more than one version.

Fuel tankFiller neck and capIn-tank pumpLevel senderFuel filterWater separatorLines and connectorsHigh-pressure pumpPressure regulatorFuel railRail pressure sensorInjectors and seals
Fuel delivery — schematic, to show where the part sits. Arrangement is right; it is a diagram and not a fitment reference.

Rest of the delivery

All fuel system parts
Get in touch

Fuel pressure sensor for your Mercedes-Benz?

Send the chassis number and a photograph of the old part. We come back with genuine, OEM and aftermarket options priced side by side, with lead times.

Mon–Sat, 8:00 AM – 6:00 PM · +971 54 303 3119 (Operations Director) · +971 54 241 0599 (Managing Director)