

Mercedes E-Class W211 M271 Thermostat O-Ring | FEBI 100078
Mercedes E-Class W211 M271 Thermostat O-Ring
FEBI 100078 | Original Equipment (OEM) | 100% German Quality
This thermostat O-ring, designed for Mercedes E-Class W211 vehicles with the M271 engine code, is used in models produced between 2002 and 2009. The thermostat O-ring plays a critical role in the engine's cooling system; it helps maintain engine temperature, preventing overheating. This part is extremely important for ensuring the efficient operation of the engine and is offered in original equipment quality with the FEBI 100078 code. As part of the engine cooling system, the thermostat O-ring ensures the sealing of the coolant, extending the life of the engine.
Product Features and Benefits
- OEM Compatibility: FEBI is manufactured according to original equipment standards. This part is approved by authorized Mercedes service centers and provides excellent compatibility with the engine's cooling system.
- Material Quality: Made from high-quality elastomer material, it is resistant to wear and tear. Modern technologies are used in the production process to enhance sealing performance.
- Durability and Lifespan: It is long-lasting; it can withstand up to 100,000 km under normal usage conditions. It shows high resistance to temperature changes.
- Performance: Ensures the efficient operation of the engine's cooling system, helping the engine to operate at optimum temperature and improving fuel efficiency.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards. FEBI ensures the reliability of its products through quality control processes.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 100078 |
| Part Type | Thermostat O-Ring |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine Cooling System |
Vehicle Compatibility
This thermostat O-ring is compatible with Mercedes E-Class W211 chassis code vehicles. These vehicles with the M271 engine code were produced between 2002 and 2009. This part is a critical component for ensuring the efficient operation of the cooling system and helps extend the life of the engine. It is particularly noted for its durability under high temperature variations.
- Chassis code: W211
- Engine code: M271
- Production year range: 2002-2009
- Trim/Variant: -
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
FEBI is a well-established brand that has been active in the automotive industry for many years and serves as an OE supplier to many vehicle manufacturers worldwide. It meets quality standards with ISO 9001, TS 16949, and IATF 16949 certifications. With production facilities based in Germany, it manufactures high-quality spare parts. FEBI's products feature innovative technologies and durable materials that strengthen its reputation in the industry.
Installation and Usage Notes
During the installation of the thermostat O-ring, it is essential to carefully remove the old O-ring and ensure that the new part fits properly in place. It is important to use appropriate torque values during installation to ensure sealing. Additionally, it is recommended to check this part along with the replacement of the engine's coolant. Depending on the vehicle's usage conditions, regular maintenance of the cooling system should be performed.
Advantages of German Parts Depot: 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 confirmed only for items physically available. If you write to our contact line with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 0299973248 — Mercedes-Benz
- A0299973248 — Mercedes-Benz
Compatible vehicle information not yet added.
