The Mercedes S Class W221 is a luxury sedan model produced between 2005 and 2013. This model stands out with its powerful engine options and comfortable driving experience. The differential oil seal is an important part of the vehicle's differential system, preventing oil leaks and ensuring the system operates smoothly. The FEBI 34976 seal plays a critical role in ensuring the efficient operation of your vehicle's differential system. This part belongs to the vehicle's drivetrain system and enhances the reliability of the system that transmits the engine's power to the wheels.
Product Features and Benefits
- OEM Compatibility: FEBI 34976 is manufactured according to original equipment standards and is recommended by authorized Mercedes service centers. The part provides a perfect fit for the vehicle's differential system.
- Material Quality: Made from high-quality elastomer material, this seal is long-lasting and durable. It is resistant to wear and tear.
- Durability and Lifespan: The estimated lifespan of FEBI 34976 can reach up to 100,000 km under normal conditions. It is resistant to temperature changes and external factors.
- Performance: This oil seal enhances the vehicle's performance by ensuring the tightness of the differential system. By preventing oil leaks, it supports the efficient operation of the system.
- Testing and Certification: The production process is carried out in accordance with ISO 9001 and TS 16949 standards. FEBI offers reliable products through its quality control processes.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 34976 |
| Part Type | Differential Oil Seal |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Drivetrain |
Vehicle Compatibility
FEBI 34976 is compatible with all variants of the Mercedes S Class W221 produced between 2005 and 2013. This part is designed to ensure the tightness of the vehicle's differential system. The W221 holds a significant place in Mercedes' luxury sedan segment, and the correct selection of this part enhances the vehicle's performance and reliability.
- Chassis code: W221
- Engine code: OM651
- Production year range: 2005-2013
- Trim/Variant: All Variants
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 supplies original equipment to many car manufacturers. Its OE production for prestigious brands like Mercedes-Benz proves its quality and reliability. The production facilities are certified with ISO 9001 and TS 16949. FEBI offers long-lasting and durable products using high-quality materials and modern manufacturing technologies.
Installation and Usage Notes
The differential oil seal is an important part of the vehicle's differential system and must be installed carefully. During installation, ensure that the old seal is completely removed. Proper placement of the new seal enhances sealing performance. The recommended installation torque is 25 Nm. This part should be checked during differential oil changes and replaced if necessary. Additionally, it should be periodically checked during city and long-distance driving according to the vehicle's usage conditions.
Frequently Asked Questions
Which W221 models use this differential oil seal?
FEBI 34976 is used in all variants of the Mercedes S Class W221 produced between 2005 and 2013. This part is designed to ensure the tightness of the differential system.
Is it original or aftermarket?
FEBI is a brand that produces OE parts for Mercedes-Benz. Therefore, FEBI 34976 is a product of original equipment quality and offers higher quality than aftermarket products.
How many km does this differential oil seal last / when should it be replaced?
The typical lifespan of FEBI 34976 is around 100,000 km under normal conditions. Signs of wear include oil leaks and noise in the differential system. The part should be replaced when these signs are observed.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the differential oil seal is a process that requires expertise. If you do not have experience in this area, it is recommended to take it to a mechanic. It is important to get professional support for the necessary tools and correct installation.
How long does it take to arrive, do I have a return right?
Your orders are shipped on the same day. You have the right to return within 14 days. If you encounter any issues, you can get help 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 confirmed only for items physically available. If you write to our support line with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.
