AutoCodes – Mercedes-Benz – P0461 Mercedes-Benz

P0461 Mercedes-Benz Code - Fuel Level Sensor Circuit Range/Performance

Quick Answer

The fuel level sensor is mounted in the fuel level sensor unit. Common causes include Faulty fuel level sensor, Fuel level sensor harness is open or shorted, Fuel level 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: P0461 Mercedes-Benz indicates Fuel Level Sensor Circuit Range/Performance.
Common causes: Common causes include Faulty fuel level sensor, Fuel level sensor harness is open or shorted, Fuel level 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 12,875

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0461 Mercedes-Benz Description

The fuel level sensor is mounted in the fuel level sensor unit. The sensor detects a fuel level in the fuel tank and transmits a signal to the Engine Control Module (ECM). The fuel level sensor consists of two parts, one is mechanical float and the other side is variable resistor. The fuel level sensor output voltage changes depending on the movement of the fuel mechanical float.

OBDII Code P0461 Mercedes-Benz - Fuel Level Sensor Circuit Range/Performance - AutoCodes.com — P0461 Mercedes-Benz Code - Fuel Level Sensor Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P0461 Mercedes-Benz?

Faulty fuel level sensor
Fuel level sensor harness is open or shorted
Fuel level sensor circuit poor electrical connection

How to Fix the DTC P0461 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 P0461 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 P0461 Mercedes-Benz code?

Need more information on how to fix the P0461 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0461 Mercedes-Benz code diagnosed by a professional: Find a repair shop in your area

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 P0461 Mercedes-Benz Code

1. What are the common symptoms of OBDII code P0461 in a Mercedes-Benz related to the fuel level sensor circuit?

Symptoms may include inaccurate fuel gauge readings, fluctuating fuel gauge readings, or the fuel gauge not working at all.

2. What are the potential causes of OBDII code P0461 in a Mercedes-Benz?

Possible causes include a faulty fuel level sensor, damaged wiring or connectors in the fuel level sensor circuit, or issues with the fuel level sensor module.

3. How can I diagnose the OBDII code P0461 in my Mercedes-Benz?

Diagnosis typically involves using a scan tool to check for the specific code, testing the fuel level sensor and its circuit for proper operation, and inspecting the wiring and connectors for any damage.

4. Can I continue driving my Mercedes-Benz with OBDII code P0461?

While it may be possible to drive the vehicle with this code, it is not recommended as inaccurate fuel level readings can lead to running out of fuel unexpectedly. It is best to address the issue promptly.

5. How can I repair OBDII code P0461 in my Mercedes-Benz?

Repairing the issue may involve replacing the fuel level sensor, repairing or replacing damaged wiring or connectors, or resetting the fuel level sensor module.

6. Will resetting the OBDII code P0461 in my Mercedes-Benz solve the problem?

While clearing the code may temporarily reset the check engine light, it will not fix the underlying issue causing the code. Proper diagnosis and repair are necessary.

7. Are there any DIY tips for troubleshooting OBDII code P0461 in a Mercedes-Benz?

DIY tips include checking the fuel level sensor's electrical connections, ensuring the fuel tank is not empty, and inspecting for any visible damage to the sensor or wiring.

8. Is it common for the fuel level sensor in a Mercedes-Benz to fail and trigger OBDII code P0461?

Fuel level sensor failures are not uncommon in vehicles, including Mercedes-Benz models. However, proper diagnosis is essential to confirm the exact cause of the code.

9. Can extreme temperatures or driving conditions trigger OBDII code P0461 in a Mercedes-Benz?

Extreme temperatures or driving conditions can potentially affect the accuracy of the fuel level sensor readings, which may lead to the triggering of OBDII code P0461.

10. How much does it typically cost to repair OBDII code P0461 in a Mercedes-Benz?

Repair costs can vary depending on the specific model and the extent of the issue. It is recommended to consult a professional mechanic for an accurate diagnosis and cost estimate.