AutoCodes – Mercedes-Benz – P0245 Mercedes-Benz

P0245 Mercedes-Benz Code - Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit Low

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: P0245 Mercedes-Benz indicates Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit Low.
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.

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Code Popularity 16,430

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Aug 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0245 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 P0245 Mercedes-Benz - Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit Low - AutoCodes.com — P0245 Mercedes-Benz Code - Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit Low

What does this mean?

What are the Possible Causes of the DTC P0245 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 P0245 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 P0245 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 P0245 Mercedes-Benz code?

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Need Help with the Code?

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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 P0245 Mercedes-Benz Code

1. What does the OBDII code P0245 mean on a Mercedes-Benz?

P0245 indicates a low voltage issue in the Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit, which controls the wastegate's operation to regulate turbo boost pressure.

2. What are the symptoms of the P0245 code in a Mercedes-Benz?

Common symptoms include reduced engine performance, poor acceleration, limited turbo boost, decreased fuel efficiency, and potential activation of limp mode.

3. What causes the P0245 code to appear?

The code can be triggered by a faulty wastegate solenoid, damaged wiring or connectors in the solenoid circuit, a blown fuse, or a failure in the engine control module (ECM).

4. How do I fix the P0245 code on a Mercedes-Benz?

Inspect and repair any damaged wiring or connectors, check and replace the wastegate solenoid if faulty, verify the fuse is intact, and clear the code after repairs.

5. Can I drive my Mercedes-Benz with the P0245 code?

While the vehicle may still be drivable, it is not recommended as reduced performance and potential turbocharger damage could occur if the issue is not addressed.

6. How is the P0245 code diagnosed?

A technician will use a scan tool to confirm the code, inspect the wastegate solenoid and circuit for damage, test the solenoid's functionality, and check for proper voltage and ground connections.

7. How much does it cost to repair the P0245 code?

Repair costs vary but typically range from $100 to $300 for parts and labor, depending on whether the wastegate solenoid or wiring needs replacement.

8. Can a clogged turbocharger cause the P0245 code?

No, a clogged turbocharger is not a direct cause of P0245, but it may contribute to related issues. The code specifically pertains to the wastegate solenoid circuit.

9. Will clearing the P0245 code solve the problem?

Clearing the code without addressing the underlying issue is only a temporary fix. The code will likely return if the root cause is not resolved.

10. What tools are needed to troubleshoot the P0245 code?

Basic tools include a multimeter for voltage testing, a scan tool to read and clear codes, and possibly a wiring diagram for the specific vehicle model.