AutoCodes – Mercedes-Benz – P0353 Mercedes-Benz

P0353 Mercedes-Benz Code - Ignition Coil 3 Primary/Secondary Circuit Malfunction

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 3, Ignition Coil 3 harness is open or shorted, Ignition Coil 3 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: P0353 Mercedes-Benz indicates Ignition Coil 3 Primary/Secondary Circuit Malfunction.
Common causes: Common causes include Faulty Ignition Coil 3, Ignition Coil 3 harness is open or shorted, Ignition Coil 3 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.

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Code Popularity 20,004

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 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
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Code P0353 Mercedes-Benz Description

The ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.

OBDII Code P0353 Mercedes-Benz - Ignition Coil 3 Primary/Secondary Circuit Malfunction - AutoCodes.com — P0353 Mercedes-Benz Code - Ignition Coil 3 Primary/Secondary Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0353 Mercedes-Benz?

Faulty Ignition Coil 3
Ignition Coil 3 harness is open or shorted
Ignition Coil 3 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0353 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 P0353 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 P0353 Mercedes-Benz code?

Need more information on how to fix the P0353 Mercedes-Benz code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0353 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 P0353 Mercedes-Benz Code

1. What are common symptoms of OBDII code P0353 in a Mercedes-Benz?

- Common symptoms include engine misfires, rough idle, lack of power, and illuminated check engine light.

2. What can cause the OBDII code P0353 in a Mercedes-Benz?

- Possible causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or issues with the Engine Control Module (ECM).

3. How do I diagnose the OBDII code P0353 in my Mercedes-Benz?

- Diagnosis involves using a diagnostic scanner to read the code, checking the ignition coil for resistance and continuity, inspecting the wiring and connectors, and testing the ECM.

4. Can I drive my Mercedes-Benz with the OBDII code P0353?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the engine and catalytic converter.

5. How do I repair the OBDII code P0353 in my Mercedes-Benz?

- Repair usually involves replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, and clearing the code with a diagnostic scanner.

6. Are there any preventive measures to avoid OBDII code P0353 in a Mercedes-Benz?

- Regular maintenance, such as inspecting and replacing ignition coils at recommended intervals, can help prevent this code from occurring.

7. Can a DIY enthusiast fix the OBDII code P0353 in a Mercedes-Benz?

- While some DIY enthusiasts may have the skills to replace an ignition coil, it is recommended to consult a professional technician for accurate diagnosis and repair.

8. How much does it cost to repair the OBDII code P0353 in a Mercedes-Benz?

- The cost of repair can vary depending on the cause of the code, but it typically ranges from $150 to $300 for parts and labor.

9. Will resetting the check engine light resolve the OBDII code P0353 in a Mercedes-Benz?

- Resetting the check engine light may temporarily turn it off, but the underlying issue causing the code will still need to be diagnosed and repaired to prevent it from returning.

10. Is OBDII code P0353 specific to Mercedes-Benz vehicles?

- No, OBDII code P0353, indicating an ignition coil primary/secondary circuit malfunction, can occur in various vehicle makes and models, not exclusive to Mercedes-Benz.