P0164 Mercedes-Benz Code - O2 Sensor Circuit High Voltage Bank 2 Sensor 3
Quick Answer
The rear heated oxygen sensor (or sensor 3 for some vehicles), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Common causes include Faulty Heated Oxygen Sensor Bank 2 Sensor 3, Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted, Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0164 Mercedes-Benz indicates O2 Sensor Circuit High Voltage Bank 2 Sensor 3.
- Common causes
- Common causes include Faulty Heated Oxygen Sensor Bank 2 Sensor 3, Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted, Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0164 Mercedes-Benz Description
What are the Possible Causes of the DTC P0164 Mercedes-Benz?
- Faulty Heated Oxygen Sensor Bank 2 Sensor 3
- Heated Oxygen Sensor Bank 2 Sensor 3 harness is open or shorted
- Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor electrical connection
How to Fix the DTC P0164 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 P0164 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 P0164 Mercedes-Benz code?
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Frequently Asked Questions about P0164 Mercedes-Benz Code
1. What are the common symptoms of OBDII code P0164 in a Mercedes-Benz related to the O2 sensor circuit high voltage on Bank 2 Sensor 3?
- Common symptoms include poor fuel economy, rough idling, hesitation during acceleration, and the illumination of the check engine light.
2. What can cause the O2 sensor circuit high voltage on Bank 2 Sensor 3 in a Mercedes-Benz triggering code P0164?
- Potential causes include a faulty O2 sensor, wiring issues, a vacuum leak, an exhaust system leak, or a problem with the engine's air-fuel mixture.
3. How can I diagnose the O2 sensor circuit high voltage issue on Bank 2 Sensor 3 in my Mercedes-Benz?
- You can diagnose this issue using an OBDII scanner to retrieve the code, visually inspecting the sensor and its wiring for damage, and performing voltage and resistance tests.
4. Can I drive my Mercedes-Benz with the OBDII code P0164 related to high voltage on Bank 2 Sensor 3?
- It is not recommended to drive your vehicle with this code as it can lead to poor engine performance and potential damage to the catalytic converter.
5. What is the repair process for fixing OBDII code P0164 in a Mercedes-Benz due to the O2 sensor circuit high voltage on Bank 2 Sensor 3?
- The repair process typically involves replacing the faulty O2 sensor, repairing any damaged wiring, addressing any leaks, and clearing the error code from the vehicle's computer.
6. Are there any DIY tips for resolving the O2 sensor circuit high voltage issue on Bank 2 Sensor 3 in my Mercedes-Benz?
- While replacing the O2 sensor can be done DIY, it is recommended to have a professional diagnose the issue to ensure the root cause is properly addressed.
7. How much does it cost to repair OBDII code P0164 in a Mercedes-Benz related to the O2 sensor circuit high voltage on Bank 2 Sensor 3?
- The cost can vary depending on the extent of the issue, but typically, replacing an O2 sensor can range from $100 to $300, including parts and labor.
8. Can a faulty O2 sensor on Bank 2 Sensor 3 cause other problems in my Mercedes-Benz besides triggering code P0164?
- Yes, a faulty O2 sensor can lead to poor engine performance, increased emissions, and potential damage to the catalytic converter if left unresolved.
9. How often should the O2 sensors in a Mercedes-Benz be inspected or replaced to prevent issues like OBDII code P0164?
- It is recommended to inspect O2 sensors during routine maintenance and replace them based on the manufacturer's recommended intervals or if any symptoms of failure arise.
10. Is it necessary to reset the vehicle's computer after repairing OBDII code P0164 in a Mercedes-Benz?
- Yes, it is important to reset the vehicle's computer after repairing the issue to clear the error code and ensure proper functioning of the engine management system.
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