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P2035 Mercedes-Benz Code - Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2

Quick Answer

The P2035 code for Mercedes-Benz indicates a problem with the Exhaust Gas Temperature (EGT) Sensor Circuit on Bank 2 Sensor 2. Common causes include Faulty EGT sensor, Wiring or connector issues in the EGT sensor circuit, Exhaust leaks near the EGT sensor. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P2035 Mercedes-Benz indicates Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2.
Common causes
Common causes include Faulty EGT sensor, Wiring or connector issues in the EGT sensor circuit, Exhaust leaks near the EGT sensor.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P2035 Mercedes-Benz Description

The P2035 code for Mercedes-Benz indicates a problem with the Exhaust Gas Temperature (EGT) Sensor Circuit on Bank 2 Sensor 2. This sensor is responsible for monitoring the temperature of the exhaust gases after they have passed through the catalytic converter. The EGT sensor provides important data to the engine control module (ECM) to ensure optimal fuel mixture and performance. When the circuit on Bank 2 Sensor 2 is reading a low signal, it can impact the vehicle's performance and emissions.

OBDII Code P2035 Mercedes-Benz - Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2
P2035 Mercedes-Benz Code - Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2

Common Causes of P2035 Mercedes-Benz

  1. Faulty EGT sensor
  2. Wiring or connector issues in the EGT sensor circuit
  3. Exhaust leaks near the EGT sensor
  4. ECM software issue
  5. Catalytic converter malfunction

Symptoms of P2035 Mercedes-Benz

  1. Check Engine Light illuminated
  2. Reduced fuel efficiency
  3. Poor engine performance
  4. Failed emissions test
  5. Rough idling or stalling

How to Fix P2035 Mercedes-Benz

  1. Begin by diagnosing the issue using a scan tool to confirm the P2035 code and check the EGT sensor's readings.
  2. Inspect the wiring and connectors in the EGT sensor circuit for any damage or corrosion. Repair or replace as necessary.
  3. Test the EGT sensor and replace it if it is faulty. Ensure proper installation and connection.
  4. Clear the fault code from the ECM memory and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues such as exhaust leaks or catalytic converter problems.

Cost to Fix P2035 Mercedes-Benz

The cost of repairing the P2035 code on a Mercedes-Benz can vary depending on the specific model and the extent of the issue. Typically, the cost of replacing an EGT sensor can range from $150 to $400, including parts and labor. Additional costs may be incurred if wiring or connector repairs are necessary. It is advisable to consult with a qualified mechanic or dealership for a more accurate estimate based on your vehicle's make and model. Keep in mind that labor rates can vary widely, so it's recommended to shop around for the best deal.

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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 P2035 Mercedes-Benz Code

1. What are the common symptoms of OBDII code P2035 in a Mercedes-Benz related to the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

The common symptoms include reduced engine performance, decreased fuel efficiency, and possibly an illuminated Check Engine light.

2. What are the potential causes of OBDII code P2035 in a Mercedes-Benz for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

Possible causes include a faulty exhaust gas temperature sensor, wiring issues, sensor circuitry problems, or a malfunctioning engine control module (ECM).

3. How can I diagnose the issue related to OBDII code P2035 in my Mercedes-Benz for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

Diagnosis involves using an OBDII scanner to read the code, inspecting the sensor and its wiring for damage, and testing the sensor's resistance and voltage output.

4. Can I still drive my Mercedes-Benz with OBDII code P2035 for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

It is not recommended to drive your vehicle with this code present, as it can lead to further engine damage or other issues. It's best to address the problem promptly.

5. How can I repair OBDII code P2035 in my Mercedes-Benz for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

Repair options may include replacing the faulty exhaust gas temperature sensor, repairing damaged wiring, resetting the ECM, or seeking professional assistance for further diagnosis and repair.

6. Are there any DIY tips for addressing OBDII code P2035 in a Mercedes-Benz for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

While some basic troubleshooting can be done, it's recommended to have a qualified mechanic diagnose and repair this issue due to the complexity of the sensor circuit and potential ECM involvement.

7. How much does it typically cost to repair OBDII code P2035 in a Mercedes-Benz for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

Costs can vary depending on the specific cause of the issue and the labor rates in your area. It's best to get a few quotes from reputable repair shops for an accurate estimate.

8. Can a Mercedes-Benz dealership help with diagnosing and repairing OBDII code P2035 for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

Yes, a Mercedes-Benz dealership or authorized service center will have the expertise and specialized equipment to properly diagnose and repair this code.

9. Is OBDII code P2035 for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2 a common issue in Mercedes-Benz vehicles?

While it may not be the most common issue, it can occur in Mercedes-Benz vehicles, especially as they age or if there are underlying electrical system problems.

10. Will resetting the Check Engine light resolve OBDII code P2035 in my Mercedes-Benz for the Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 2?

Simply resetting the Check Engine light will not fix the underlying issue causing the code. It's important to diagnose and repair the problem to prevent further complications.

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