P0385Mercedes-benz A-classYears: 1996 - 2026
Crankshaft Position Sensor B Circuit Circuit Malfunction
Reviewed by ASE Certified Technician
What does this mean?
Code P0385 indicates a problem with the crankshaft position sensor B circuit (circuit malfunction).
Disclaimer: This diagnostic code is part of the standard OBD2 system and can apply to Mercedes-benz A-class models manufactured from 1996 to 2026. However, please note that the presence of this specific code depends on your vehicle's exact engine configuration, options, and production year.
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Common Causes
Faulty crankshaft position sensor
Damaged, chafed, or broken wiring harness
Corroded or loose electrical connector
Stretched timing chain or worn timing belt
Symptoms to Watch For
- Check Engine Light is illuminated
- Engine cranks but won't start
- Engine stalling or dying unexpectedly
- Engine misfiring or shaking sensation
- Rough or unstable idle