P0246 Mercedes-Benz Code - Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit High
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
- P0246 Mercedes-Benz indicates Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit High.
- 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.
Code P0246 Mercedes-Benz Description
What are the Possible Causes of the DTC P0246 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 P0246 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 P0246 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 P0246 Mercedes-Benz code?
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Frequently Asked Questions about P0246 Mercedes-Benz Code
1. What are the common symptoms of OBDII code P0246 in a Mercedes-Benz related to the Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit High?
- Common symptoms include reduced engine power, hesitation or stalling during acceleration, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P0246 in a Mercedes-Benz?
- The code can be triggered by issues such as a faulty wastegate solenoid, damaged wiring or connectors in the wastegate solenoid circuit, or a problem with the turbocharger system.
3. How can I diagnose the Turbocharger/Supercharger Wastegate Solenoid 'A' Circuit High issue in my Mercedes-Benz?
- Diagnosis typically involves using an OBDII scanner to read the code, inspecting the wastegate solenoid and associated components for any visible damage, and testing the electrical connections for proper voltage and continuity.
4. Is it safe to drive my Mercedes-Benz with OBDII code P0246 active?
- It is not recommended to drive the vehicle with this code active, as it can lead to further damage to the turbocharger or engine components. It is best to address the issue promptly.
5. Can I reset the OBDII code P0246 in my Mercedes-Benz by disconnecting the battery?
- While disconnecting the battery may temporarily clear the code, it is not a permanent solution. The underlying issue causing the code will still need to be diagnosed and repaired to prevent it from reoccurring.
6. What are some repair tips for fixing OBDII code P0246 in a Mercedes-Benz?
- Repair tips may include checking and replacing the wastegate solenoid, repairing any damaged wiring or connectors, and ensuring proper functioning of the turbocharger system.
7. How much does it typically cost to repair OBDII code P0246 in a Mercedes-Benz?
- The cost of repair can vary depending on the specific issue causing the code and the labor rates of the repair shop. It is advisable to get a diagnostic assessment to determine the exact repair cost.
8. Can a DIY enthusiast fix OBDII code P0246 in a Mercedes-Benz?
- While some simple checks and repairs like inspecting wiring connections can be done by a DIY enthusiast, diagnosing and repairing complex issues related to the turbocharger system may require professional expertise.
9. Will OBDII code P0246 cause permanent damage to my Mercedes-Benz if left unaddressed?
- Ignoring this code can potentially lead to damage to the turbocharger, engine, or other related components over time. It is best to address the issue promptly to prevent further damage.
10. How can I prevent OBDII code P0246 from occurring in my Mercedes-Benz in the future?
- Regular maintenance, such as keeping the turbocharger system clean and ensuring proper care of the wastegate solenoid, can help prevent issues that trigger this code.
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