Mercedes-Benz W212 M274 Engine Coolant Thermostat Housing Assembly A2742000800 - Used Original Parts
RM 600
Condition: Used (Original)Description
Product Title
Mercedes-Benz W212 M274 Engine Coolant Thermostat Housing Assembly A2742000800 - Used Original Parts
Diagnosis and Common Symptoms
From a workshop perspective, the M274 engine's thermostat housing is a frequent point of failure. The primary issues we diagnose are hairline cracks in the composite housing from constant thermal cycling, leading to coolant leaks, and internal failure of the electronically-actuated thermostat mechanism.
Common On-Board Display Warnings:
- "Check Coolant Level" message due to leaks.
- Engine temperature gauge reading erratically or exceeding normal operating range.
- Red "Coolant Temperature High" warning, advising to stop the vehicle.
Diagnostic Trouble Codes (DTCs):
- P0128: Coolant Temperature Below Thermostat Regulating Temperature (Thermostat stuck open).
- P0597: Thermostat Heater Control Circuit/Open (Electrical failure of the internal heater element).
A visual inspection will often reveal pink or blue crystalline residue around the housing, confirming an external leak. Failure to address these symptoms can lead to engine overheating and significant consequential damage.
Introduction
At M.S. Motor, we see the consequences of using inferior parts daily. This is a Genuine Mercedes-Benz Coolant Thermostat Housing Assembly, meticulously removed from a low-mileage donor vehicle. Our technicians have bench-tested its electronic actuation and pressure-tested the housing to ensure it performs to the manufacturer's precise specifications. Trust in a verified, genuine component to restore your vehicle's critical thermal management system correctly the first time.
Product Details
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Brand: Mercedes-Benz
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Model Compatibility: W212 E-Class (Facelift 2013-2016) equipped with the M274 2.0L turbocharged engine.
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Part Name: Engine Coolant Thermostat Housing Assembly with Integrated Sensor
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Condition: Genuine Used (Tested Working)
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Notes: This is the complete assembly, including the electronically controlled thermostat and integrated temperature sensor. We strongly recommend using a new gasket during installation to ensure a perfect seal.
Frequently Asked Questions
Q: What symptoms indicate failure? A: The most common indicators are engine overheating, the engine taking an unusually long time to reach operating temperature, a check engine light, or visible coolant leaks near the front of the engine.
Q: Does this require coding? A: No. This component is a direct, plug-and-play replacement. It does not require SCN coding or any form of programming. After installation, it is best practice to clear any pre-existing fault codes with a diagnostic tool.
Q: Is this original? A: Yes, this is a 100% Genuine Mercedes-Benz part. We exclusively source and verify original components to guarantee proper fitment and long-term reliability.
Why Choose Us?
- Verified functionality by in-house technicians
- Actual photos/videos of the part provided
- 30-day exchange warranty
- Guaranteed to restore factory coolant flow and temperature control
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
- WhatsApp us to confirm compatibility with your specific VIN.
- Send your chassis number or a clear photo of your old unit label.
- Confirm order details and stock availability.
- Receive actual product photos and diagnostic test confirmation.
- Make payment via bank transfer.
- 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.
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