

Mercedes C-Class W202 M111 Thermostat O-Ring | FEBI 10258
Mercedes C-Class W202 M111 Thermostat O-Ring | FEBI 10258
FEBI 10258 | Original Equipment (OEM) | 100% German Quality
This thermostat O-ring, specifically manufactured for Mercedes C-Class W202 vehicles with M111 engine type, is used in models produced between 1993 and 2000. The thermostat O-ring is an essential part of the engine cooling system and helps maintain the engine's optimum operating temperature. This part enhances the vehicle's performance and durability by preventing the engine from overheating. Recognized by the FEBI 10258 code, this O-ring increases the reliability of the engine cooling system and ensures the healthy operation of your vehicle.
Product Features and Benefits
- OEM Compatibility: This thermostat O-ring is manufactured according to original equipment standards and offers the quality used in authorized Mercedes service centers.
- Material Quality: Made from high-quality elastomer material, it is resistant to wear and tear.
- Durability and Lifespan: Thanks to its long-lasting design, it can withstand up to 100,000 km under normal usage conditions.
- Performance: By increasing the efficiency of the engine cooling system, it ensures the engine operates at optimum temperature, thus improving fuel efficiency and emission values.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards, it offers high quality and reliability.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 10258 |
| Part Type | Thermostat O-Ring |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine Cooling |
Vehicle Compatibility
This thermostat O-ring is compatible with Mercedes C-Class vehicles with W202 chassis code. It is specifically designed for vehicles with M111 engine code. Models produced between 1993 and 2000 should use this O-ring to enhance the reliability of the engine cooling system. It is a critical part to prevent engine overheating, especially during long journeys and in heavy traffic.
- Chassis code: W202
- Engine code: M111
- Production year range: 1993-2000
- Trim/Variant: All Variants
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 has extensive experience in the spare part industry and serves as an OE supplier to many automotive manufacturers. This Germany-based brand is known for its products with high quality standards. Supported by production processes certified with ISO 9001, TS 16949, and IATF 16949, it offers reliable and durable parts. FEBI manufactures OE parts for prestigious brands like Mercedes, continuously strengthening its reputation in the industry.
Installation and Usage Notes
The most important point to consider during the installation of the thermostat O-ring is to completely remove the old O-ring. During installation, ensure that the new O-ring is properly placed. It is also recommended to clean the surface of the O-ring before installation. Since this part is critical to the engine cooling system, sufficient care should be taken during the installation process. Generally, it is recommended to check the thermostat O-ring during each thermostat change and replace it if necessary.
Frequently Asked Questions
In which W202 models is this thermostat O-ring used?
This thermostat O-ring is used in all models with Mercedes C-Class W202 chassis code and M111 engine code. It is suitable for vehicles produced between 1993 and 2000.
Is it original or aftermarket?
FEBI is recognized as an original equipment manufacturer and has high quality standards. Therefore, the FEBI 10258 thermostat O-ring is of original part quality.
How many km does this thermostat O-ring last / when should it be replaced?
The thermostat O-ring can last up to 100,000 km under normal usage conditions. However, it should be replaced immediately if any signs of leakage or wear are observed in the cooling system.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the thermostat O-ring can be easily done with the right tools. However, since it involves the engine cooling system, it is recommended that inexperienced users seek assistance from a professional.
How long does it take to arrive, do I have the right to return?
Your orders are shipped on the same day. You have the right to return within 14 days. For detailed information, you can contact our customer 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 contact line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part as a quote.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 0019973345 — Mercedes-Benz
- 00A121119 — TecDoc (VW)
- 0159972348 — Mercedes-Benz
- 0A121119 — TecDoc (VW)
- A0019973345 — Mercedes-Benz
- A0159972348 — Mercedes-Benz
- N90560801 — TecDoc (VW)
Compatible vehicle information not yet added.
