AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Mercedes-Benz - P0578 Mercedes-Benz

P0578 Mercedes-Benz Code - Cruise Control Multi-Function Input 'A' Circuit Stuck

- Code Popularity: 3,162 Views
- Repair Importance Level: 1/3
- Repair Difficulty Level: 2/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC P0578 Mercedes-Benz?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Cruise Control Function Switch
  • Cruise Control Function Switch harness is open or shorted
  • Cruise Control Function Switch circuit poor electrical connection
⚠ Does your Mercedes-Benz have Safety Recalls? → Check here

How to Fix the DTC P0578 Mercedes-Benz?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Search for P0578 Mercedes-Benz Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0578 Mercedes-Benz code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Cruise control system inoperative

Code P0578 Mercedes-Benz Description

The Engine Control Module (ECM) monitors the Cruise Control Multi-Function Input 'A'. The ECM sets the OBDII code when the Cruise Control Multi-Function Input 'A' is not to factory specifications.

OBDII Code P0578 Mercedes-Benz - Cruise Control Multi-Function Input 'A' Circuit Stuck - AutoCodes.com
P0578 Mercedes-Benz Code - Cruise Control Multi-Function Input 'A' Circuit Stuck

Need More Information on the Code?

Need more information on how to fix the P0578 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0578 Mercedes-Benz code diagnosed by a professional: Find a repair shop in your area

Code P0578 Mercedes-Benz comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0578 Mercedes-Benz code? Have you replaced any parts?
Any information is appreciated. Thanks