AutoCodes – Mercedes-Benz – P0335 Mercedes-Benz

P0335 Mercedes-Benz Code - Crankshaft Position Sensor 'A' Circuit Malfunction

Quick Answer

The Crankshaft Position Sensor (CKP) also known as the crank position sensor is an electronic device used in an engine to record the rate at which the crankshaft is spinning. Common causes include Faulty crankshaft position sensor, Crankshaft position sensor harness is open or shorted, Crankshaft position sensor 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
P0335 Mercedes-Benz indicates Crankshaft Position Sensor 'A' Circuit Malfunction.
Common causes
Common causes include Faulty crankshaft position sensor, Crankshaft position sensor harness is open or shorted, Crankshaft position sensor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 63,652
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0335 Mercedes-Benz Description

The Crankshaft Position Sensor (CKP) also known as the crank position sensor is an electronic device used in an engine to record the rate at which the crankshaft is spinning. This information is used by the Electronic Control Module(ECM) to control ignition and fuel injection. The sensor system consists of a rotating part, typically a disc, as well as a static part, the actual sensor.
When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.
OBDII Code P0335 Mercedes-Benz - Crankshaft Position Sensor 'A' Circuit Malfunction - AutoCodes.com
P0335 Mercedes-Benz Code - Crankshaft Position Sensor 'A' Circuit Malfunction

What are the Possible Causes of the DTC P0335 Mercedes-Benz?

  • Faulty crankshaft position sensor
  • Crankshaft position sensor harness is open or shorted
  • Crankshaft position sensor circuit poor electrical connection
  • Signal plate may be damage
  • Starter motor may be faulty
  • Starting system circuit
  • Dead or weak battery

How to Fix the DTC P0335 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0335 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 P0335 Mercedes-Benz code?

Need more information on how to fix the P0335 Mercedes-Benz code? Get Access to Factory Service Manuals

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 P0335 Mercedes-Benz Code

1. What are the common symptoms of OBDII code P0335 in a Mercedes-Benz?

The common symptoms of OBDII code P0335 in a Mercedes-Benz include engine stalling, rough idle, difficulty starting the engine, and a decrease in fuel efficiency.

2. What does the OBDII code P0335 indicate in a Mercedes-Benz?

OBDII code P0335 in a Mercedes-Benz indicates a Crankshaft Position Sensor 'A' Circuit Malfunction.

3. What are the possible causes of OBDII code P0335 in a Mercedes-Benz?

Possible causes of OBDII code P0335 in a Mercedes-Benz include a faulty crankshaft position sensor, damaged wiring or connectors, or issues with the engine control module (ECM).

4. How can I diagnose the OBDII code P0335 in my Mercedes-Benz?

To diagnose OBDII code P0335 in your Mercedes-Benz, you can use a diagnostic scanner to read the code, visually inspect the wiring and connectors, and test the crankshaft position sensor for proper functioning.

5. Can I still drive my Mercedes-Benz with OBDII code P0335?

It is not recommended to drive your Mercedes-Benz with OBDII code P0335, as it can lead to further engine damage and potential safety hazards. It is best to address the issue promptly.

6. How can I repair OBDII code P0335 in my Mercedes-Benz?

To repair OBDII code P0335 in your Mercedes-Benz, you may need to replace the faulty crankshaft position sensor, repair any damaged wiring or connectors, or reprogram the engine control module (ECM).

7. Is it possible to reset the OBDII code P0335 in a Mercedes-Benz without fixing the issue?

Resetting the OBDII code P0335 without fixing the underlying issue will only temporarily clear the code. The issue will likely resurface, and it is essential to address the root cause of the problem.

8. How much does it typically cost to repair OBDII code P0335 in a Mercedes-Benz?

The cost to repair OBDII code P0335 in a Mercedes-Benz can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of parts. It is advisable to get a quote from a trusted mechanic.

9. Can a DIY enthusiast fix OBDII code P0335 in a Mercedes-Benz?

While some DIY enthusiasts may have the skills to diagnose and fix OBDII code P0335 in a Mercedes-Benz, it is recommended to seek professional help, especially when dealing with complex engine components like the crankshaft position sensor.

10. How can I prevent OBDII code P0335 from occurring in my Mercedes-Benz?

To prevent OBDII code P0335 in your Mercedes-Benz, it is essential to follow the manufacturer's recommended maintenance schedule, regularly inspect and replace worn-out engine components, and address any warning signs promptly.

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