AutoCodes – Mercedes-Benz – P0247 Mercedes-Benz

P0247 Mercedes-Benz Code - Turbocharger/Supercharger Wastegate Solenoid 'B' Malfunction

Quick Answer

This fault code is stored in the Engine Control Module (ECM) when a fault is detected with the wastegate control solenoid circuit. Common causes include Faulty Turbo Boost Control Solenoid Valve, Turbo Boost Control Solenoid Valve harness is open or shorted, Turbo Boost Control Solenoid Valve circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P0247 Mercedes-Benz indicates Turbocharger/Supercharger Wastegate Solenoid 'B' Malfunction.
Common causes
Common causes include Faulty Turbo Boost Control Solenoid Valve, Turbo Boost Control Solenoid Valve harness is open or shorted, Turbo Boost Control Solenoid Valve circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 8,731
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 05, 2020
πŸ’¬ Need more help? Ask Coddy for instant answers β€” it's free!

Code P0247 Mercedes-Benz Description

This fault code is stored in the Engine Control Module (ECM) when a fault is detected with the wastegate control solenoid circuit. The purpose of the control system is to limit the boost pressure to allow for optimum performance without the risk of engine damage due to excessive boost pressure. The electrical circuit is monitored for open circuit, short circuit, and high resistance conditions.
OBDII Code P0247 Mercedes-Benz - Turbocharger/Supercharger Wastegate Solenoid 'B' Malfunction - AutoCodes.com
P0247 Mercedes-Benz Code - Turbocharger/Supercharger Wastegate Solenoid 'B' Malfunction

What are the Possible Causes of the DTC P0247 Mercedes-Benz?

  • Faulty Turbo Boost Control Solenoid Valve
  • Turbo Boost Control Solenoid Valve harness is open or shorted
  • Turbo Boost Control Solenoid Valve circuit poor electrical connection
  • Faulty Engine Control Module (ECM)
  • Faulty Wastegate

How to Fix the DTC P0247 Mercedes-Benz?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0247 Mercedes-Benz code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0247 Mercedes-Benz code?

Need more information on how to fix the P0247 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0247 Mercedes-Benz code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0247 Mercedes-Benz Code

1. What are the common symptoms of OBDII code P0247 in a Mercedes-Benz related to the Turbocharger/Supercharger Wastegate Solenoid 'B' Malfunction?

- Common symptoms include reduced engine power, lack of boost pressure, turbo lag, and the presence of a check engine light.

2. What are the potential causes of OBDII code P0247 in a Mercedes-Benz?

- The code P0247 can be triggered by a faulty wastegate solenoid, damaged wiring or connectors, a vacuum leak, or issues with the turbocharger itself.

3. How can I diagnose the Turbocharger/Supercharger Wastegate Solenoid 'B' Malfunction in a Mercedes-Benz?

- Diagnosing this issue typically involves using a scan tool to retrieve the specific code, checking the wastegate solenoid for proper operation, inspecting wiring and connectors for damage, and testing for vacuum leaks.

4. Can I continue driving my Mercedes-Benz with OBDII code P0247 present?

- It is not recommended to continue driving the vehicle with this code active, as it can lead to further engine damage and reduced performance. It's best to address the issue promptly.

5. How can I repair OBDII code P0247 in a Mercedes-Benz?

- Repair options may include replacing the wastegate solenoid, repairing damaged wiring or connectors, fixing vacuum leaks, or addressing any turbocharger issues. It's advisable to consult a professional mechanic for proper diagnosis and repair.

6. Are there any preventative maintenance tips to avoid OBDII code P0247 in a Mercedes-Benz?

- Regularly servicing the turbocharger system, checking for vacuum leaks, and ensuring proper maintenance of electrical components can help prevent issues leading to this code.

7. Can a DIY enthusiast fix OBDII code P0247 in a Mercedes-Benz, or is it recommended to seek professional help?

- While some basic checks like inspecting for loose connections or vacuum leaks can be done by a DIY enthusiast, diagnosing and repairing the specific cause of the code may require advanced knowledge and tools best handled by a professional mechanic.

8. How urgent is it to address OBDII code P0247 in a Mercedes-Benz?

- It is important to address this code promptly to prevent further damage to the engine and ensure optimal performance of the turbocharger system.

9. Are there any known recalls or service bulletins related to OBDII code P0247 in Mercedes-Benz vehicles?

- It's recommended to check with Mercedes-Benz dealerships or online databases for any recalls or service bulletins specific to this OBDII code to see if your vehicle may be affected.

10. Is resetting the OBDII code P0247 in a Mercedes-Benz sufficient, or should I address the underlying issue as well?

- Simply resetting the code without addressing the underlying issue will likely result in the code returning. It's important to diagnose and repair the root cause of the problem to prevent further issues.

Discuss the causes and fixes for P0247 Mercedes-Benz OBDII Code

Code P0247 Mercedes-Benz comments

No comments found for this page.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play