P0114 Mercedes-Benz Code - Intake Air Temperature Circuit Intermittent
Quick Answer
The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted. 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
- P0114 Mercedes-Benz indicates Intake Air Temperature Circuit Intermittent.
- Common causes
- Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted.
- 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 P0114 Mercedes-Benz Description
What are the Possible Causes of the DTC P0114 Mercedes-Benz?
- Faulty Intake Air Temperature (IAT) sensor
- Dirty air filter
- Intake Air Temperature (IAT) sensor harness is open or shorted
- Intake Air Temperature (IAT) sensor circuit poor electrical connection
How to Fix the DTC P0114 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 P0114 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.
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Frequently Asked Questions about P0114 Mercedes-Benz Code
1. What are common symptoms of OBDII code P0114 in a Mercedes-Benz related to the Intake Air Temperature Circuit Intermittent?
- Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.
2. What are the possible causes of an Intake Air Temperature Circuit Intermittent fault code in a Mercedes-Benz?
- Causes may include a faulty intake air temperature sensor, damaged wiring or connectors, or issues with the engine control module (ECM).
3. How can I diagnose the Intake Air Temperature Circuit Intermittent issue in my Mercedes-Benz?
- Use an OBDII scanner to retrieve the specific code, visually inspect the sensor and its connections, and perform a voltage test to determine if the sensor is functioning properly.
4. Can a dirty air filter trigger the P0114 code in a Mercedes-Benz?
- Yes, a clogged or dirty air filter can disrupt the airflow around the intake air temperature sensor, potentially leading to an intermittent fault code like P0114.
5. Will driving with a P0114 fault code in my Mercedes-Benz cause further damage?
- Continuing to drive with the P0114 code may result in reduced engine efficiency and performance. It is advisable to address the issue promptly to prevent potential long-term damage.
6. How can I clear the P0114 code in my Mercedes-Benz after repairing the Intake Air Temperature Circuit issue?
- After fixing the underlying problem, you can clear the fault code using an OBDII scanner or by disconnecting the car's battery for a few minutes to reset the ECM.
7. Is it possible to repair the Intake Air Temperature Circuit issue in a Mercedes-Benz DIY-style?
- Depending on your automotive repair skills and access to tools, you may be able to replace the faulty sensor or repair wiring yourself. However, professional diagnosis and repair are recommended for complex issues.
8. Can extreme weather conditions affect the Intake Air Temperature Circuit and trigger the P0114 code in a Mercedes-Benz?
- Yes, extreme cold or heat can impact the sensor's readings and potentially lead to an intermittent fault code like P0114. Ensure the sensor is properly insulated and shielded from extreme temperatures.
9. How much does it typically cost to repair the Intake Air Temperature Circuit issue causing the P0114 code in a Mercedes-Benz?
- The cost of repairs can vary depending on the exact cause of the issue, but replacing a faulty sensor or repairing wiring may range from $100 to $300 at a dealership or repair shop.
10. What should I do if the P0114 code keeps reappearing in my Mercedes-Benz after repairs?
- If the code persists after repairs, it may indicate a deeper underlying issue or a faulty replacement part. Consult a professional mechanic or dealership for a thorough diagnosis and further troubleshooting.
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