AutoCodesMercedes-Benz – P0560 Mercedes-Benz

P0560 Mercedes-Benz Code - System Voltage Malfunction

Quick Answer

The battery supplies electricity to the Engine Control Module (ECM) even when the ignition switch is OFF. Common causes include Low battery charge, Battery defective, Loose or missing alternator drive belt. 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
P0560 Mercedes-Benz indicates System Voltage Malfunction.
Common causes
Common causes include Low battery charge, Battery defective, Loose or missing alternator drive belt.
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.
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Code Popularity 18,044
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0560 Mercedes-Benz Description

The battery supplies electricity to the Engine Control Module (ECM) even when the ignition switch is OFF. This electricity allows the ECM to store data such as Diagnostic Trouble Code (DTC) history, freeze frame data, fuel trim values and other data. If the battery voltage falls below a minimum level, the ECM will conclude that there is a fault in the power supply circuit. The next time the engine starts, the ECM will turn on the Malfunction Indicator Light (MIL) and a DTC will be set.
OBDII Code P0560 Mercedes-Benz - System Voltage Malfunction - AutoCodes.com
P0560 Mercedes-Benz Code - System Voltage Malfunction

What are the Possible Causes of the DTC P0560 Mercedes-Benz?

  • Low battery charge
  • Battery defective
  • Loose or missing alternator drive belt
  • Faulty alternator
  • Open or short system voltage circuit

How to Fix the DTC P0560 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 P0560 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 P0560 Mercedes-Benz code?

Need more information on how to fix the P0560 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0560 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 P0560 Mercedes-Benz Code

1. What does the OBDII code P0560 mean for a Mercedes-Benz?

P0560 indicates a System Voltage Malfunction, meaning the vehicle’s powertrain control module (PCM) has detected an abnormal voltage level in the electrical system.

2. What are common symptoms of code P0560 in a Mercedes-Benz?

Symptoms can include difficulty starting the engine, dim or flickering lights, erratic dashboard readings, and potential stalling while driving.

3. What causes the P0560 code to appear in a Mercedes-Benz?

Common causes include a failing alternator, weak battery, corroded or loose electrical connections, or damaged wiring in the charging system.

4. Can I drive my Mercedes-Benz with the P0560 code?

Driving with this code is not recommended as it can lead to battery depletion, stalling, or damage to other electrical components.

5. How is the P0560 code diagnosed in a Mercedes-Benz?

A mechanic will check the battery voltage, alternator performance, and inspect the wiring and connections in the charging system for damage or corrosion.

6. How do I fix the P0560 code on my Mercedes-Benz?

Repairs may involve replacing a failing alternator, installing a new battery, cleaning or tightening electrical connections, or repairing damaged wiring.

7. Can a weak battery trigger the P0560 code in a Mercedes-Benz?

Yes, a weak or failing battery can cause voltage irregularities that lead to the P0560 code.

8. How much does it cost to repair the P0560 code on a Mercedes-Benz?

Repair costs vary, but replacing an alternator typically costs $400-$800, while a battery replacement may cost $150-$300.

9. Will clearing the P0560 code fix the issue in a Mercedes-Benz?

Clearing the code without addressing the underlying problem may temporarily remove the warning but the code is likely to return.

10. Can a bad alternator damage other components in my Mercedes-Benz?

Yes, a failing alternator can lead to electrical system issues, potentially damaging the battery or sensitive electronics in the vehicle.

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