Mercedes-Benz · Electrical, Sensors & Modules

Camshaft position sensor

The sensor telling the engine where the camshaft is, so it knows which stroke each cylinder is on.

Also called cam sensor, CMP.

How you know it is this

  • Long cranking before the engine catches
  • A camshaft position or correlation fault code
  • Rough running and a check-engine light
  • Limp mode

Worth knowing before you buy

  • A camshaft CORRELATION code is different from a camshaft SENSOR code. Correlation usually means the timing chain has stretched, and replacing the sensor will not touch it.
  • A V engine has one per bank, and the code says which.
  • Cheap, and worth ruling out before any timing work.

What we need to quote it. The engine code and the exact fault code. 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.

Camshaft positionCrankshaft positionIntake air temperatureThrottle positionOil and coolant sensors
Engine sensors — schematic, to show where the part sits. Arrangement is right; it is a diagram and not a fitment reference.

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Camshaft position 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.

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