Mercedes-Benz W204 C-Class M274 Air Intake Duct - Used Original Parts

Description

Product Title

Mercedes-Benz W204 C-Class M274 Air Intake Duct - Used Original Parts

Diagnosis and Common Symptoms

From a workshop perspective, the air intake duct on the M274 engine is a critical component for maintaining correct air-fuel mixtures. Over time, heat cycles cause the plastic and rubber to become brittle, leading to hairline cracks or complete splits, especially around the connection points. This failure allows unmetered air to enter the engine post-Mass Airflow (MAF) sensor, creating a lean condition.

The Engine Control Unit (ECU) will detect this anomaly, triggering the Check Engine Light. Common symptoms you'll experience include a rough or hunting idle, hesitation under acceleration, a noticeable loss of power, and often a distinct hissing or whistling sound from the engine bay as air is drawn through the crack.

Common Fault Codes:

• P0171 - System Too Lean (Bank 1)
• Associated MAF sensor and mixture adaptation codes.

Introduction

This is a Genuine Mercedes-Benz air intake duct for the W204 C-Class equipped with the M274 engine. Each unit is carefully removed from a donor vehicle and subjected to a thorough inspection to ensure its structural integrity. We meticulously check for cracks, hardening, and wear at all critical sealing points, guaranteeing a component that performs to factory specifications.

Product Details

• Brand: Mercedes-Benz

• Model Compatibility: W204 C-Class (C180, C200, C250) with M274 2.0L Turbo Engine

• Part Name: Engine Air Intake Duct / Turbocharger Inlet Hose

• Condition: Genuine Used (Tested Working)

• Notes: Inspected for integrity and flexibility. Guaranteed to be free of cracks and leaks that cause lean mixture fault codes. All mounting points and sensor ports are intact.

Frequently Asked Questions

Q: What symptoms indicate failure? A: The most common indicators are a Check Engine Light with a P0171 lean code, a rough idle, stumbling on acceleration, and an audible hissing noise from the engine compartment.

Q: Does this require coding? A: No. This is a passive mechanical component. Installation is a direct replacement, and no programming or electronic adaptation is required.

Q: Is this original? A: Yes. This is a Genuine Mercedes-Benz part salvaged from a vehicle. We exclusively handle original parts to ensure perfect fitment and performance.

Why Choose Us?

• Verified functionality
• Actual photos/videos provided
• 30-day exchange warranty
• Guaranteed to resolve lean mixture fault codes (e.g., P0171) caused by a faulty duct

Shipping

Location: Kuala Lumpur, Malaysia Shipping: West Malaysia RM50 (Estimate) / East Malaysia RM80 (Estimate) Delivery: 1-2 working days Packaging: Secure anti-static packaging, heavy-duty shock absorption. (We send actual photos/videos of the unit and packaging before shipping)

Warranty and Return Policy

• 30-day exchange warranty from the date of receipt.
• Proof of professional installation by a qualified workshop is required for warranty claims.
• No returns if the item is opened, modified, tampered with, or damaged due to incorrect electrical wiring.
• Exchange only for confirmed internal electronic defects.

How to Order

1. WhatsApp us to confirm compatibility with your specific VIN.
2. Send your chassis number or a clear photo of your old unit label.
3. Confirm order details and stock availability.
4. Receive actual product photos and diagnostic test confirmation.
5. Make payment via bank transfer.
6. Item is shipped immediately with tracking details provided.

Contact Us

Ready to order or have questions? Tap the WhatsApp button to chat with our team directly.

Price Notice

Price is estimated only. Actual price depends on current stock levels, specific part number revisions, and unit condition. Please WhatsApp us for a formal quote.

Compatible Models