This thermostat, produced for Mercedes Vito Series W639 vehicles with engine code OM646, is used in models manufactured between 2003 and 2014. The thermostat regulates the engine temperature, ensuring that the engine remains at its optimum operating temperature. This part prevents the engine from overheating, extending its lifespan and enhancing performance. Recognized by the FEBI 37456 code, this thermostat is a crucial component of the vehicle's cooling system.
Product Features and Benefits
- OEM Compatibility: FEBI is manufactured according to original equipment standards and ensures part fitment compatibility in authorized service centers.
- Material Quality: Made from high-quality materials, it is durable and long-lasting.
- Durability and Lifespan: The thermostat can withstand up to 100,000 km under normal conditions and is resistant to high temperature fluctuations.
- Performance: Ensures the engine operates at optimum temperature, improving fuel efficiency and reducing emissions.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards and has passed quality tests.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 37456 |
| Part Type | Thermostat |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine Cooling System |
Vehicle Compatibility
This thermostat is compatible with the Mercedes Vito Series W639. It is designed for vehicles with engine code OM646. Models produced between 2003 and 2014 should use this part to minimize issues related to their cooling systems.
- Chassis code: W639
- Engine code: OM646
- Production year range: 2003-2014
- Trim/Variant: All Vito Series
It is recommended to confirm with our support line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
FEBI has been active in the automotive spare part industry for many years and is an OE supplier for many brands. This Germany-based company has proven its quality with ISO 9001 and TS 16949 certifications. FEBI, which supplies parts to prestigious brands like Mercedes-Benz, is recognized for its high-quality manufacturing processes and technology.
Installation and Usage Notes
The most important point to consider during thermostat installation is to completely drain the cooling system. The old thermostat must be fully removed and the gasket cleaned before installation. Generally, a torque value of 10-12 Nm is recommended during thermostat installation. Additionally, it is advisable to check the coolant after installation and add if necessary. This part is critical for the healthy operation of the engine.
Frequently Asked Questions
In which W639 models is this thermostat used?
This thermostat is used in all variants of the Mercedes Vito Series W639 models with engine code OM646. It is suitable for vehicles produced between 2003 and 2014.
Is it original or aftermarket?
FEBI is known as an original equipment manufacturer (OE). Therefore, this part is equivalent to original quality and offers higher reliability compared to aftermarket parts.
How many km does this thermostat last / when should it be replaced?
The thermostat can last up to 100,000 km under normal usage conditions. It is recommended to replace it if there are signs of overheating or issues in the engine's cooling system.
Can I install it myself, or do I need to take it to a mechanic?
Since thermostat installation requires technical knowledge, it is recommended to have it done by a professional. However, those with the necessary tools and knowledge can install it themselves.
How long does it take to arrive, do I have the right to return it?
Our orders are shipped the same day. You have the right to return within 14 days. You can get detailed information from our support line.
Advantages of German Parts Warehouse: Same-day shipping, 14-day return policy, e-archive invoicing, WhatsApp expert support line (wa.me/905382927219). Our stock information is updated in real-time; your order is only confirmed from items physically available. If you write to our support line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part offer.
