What does code P0500 mean on a Mercedes-Benz and is it safe to drive?

P0500: Vehicle Speed Sensor (VSS) Malfunction. Here’s what it means on your Mercedes-Benz, what usually causes it, what repairs typically cost, and how safe it is to keep driving.

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What this code means

The PCM is not receiving a valid signal from the vehicle speed sensor. This can affect shifting, ABS, and speedometer operation.

Common causes for your Mercedes-Benz

  • Failed vehicle speed sensor
  • Damaged tone ring or reluctor wheel
  • Wiring or connector corrosion

Symptoms

  • Check Engine Light or ABS light
  • Inoperative or erratic speedometer
  • Harsh or delayed transmission shifts

Typical fixes

  • Replace vehicle speed sensor
  • Repair wiring/connectors
  • Inspect and replace damaged tone ring if needed

Repair cost range

For a Mercedes-Benz, repairs for P0500 often fall between $120 and $600, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.

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