

Mercedes S Serisi W221 Kayış Gergisi Komple | FEBI 37696
Mercedes S Class W221 Belt Tensioner Complete | FEBI 37696
FEBI 37696 | Original Equipment (OEM) | 100% German Quality
The Mercedes S Class W221 is a luxury sedan model produced between 2005 and 2013. The belt tensioner in this model ensures that the belts necessary for the engine's operation are properly tensioned and functioning. The belt tensioner enhances engine performance and prevents belt wear, ensuring longevity. Therefore, the FEBI 37696 belt tensioner is a critical component for the vehicle's engine system.
Product Features and Benefits
- OEM Compatibility: FEBI guarantees that this belt tensioner is designed and manufactured in accordance with Mercedes standards as an original equipment manufacturer.
- Material Quality: Manufactured using high-quality materials, ensuring durability and longevity. The latest technology has been used in the production process.
- Durability and Lifespan: This belt tensioner is resistant to wear and can operate smoothly for up to 100,000 km.
- Performance: By ensuring the correct tensioning of the engine's belts, it increases fuel efficiency and improves overall engine performance.
- 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) | 37696 |
| Part Type | Belt Tensioner Complete |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
The FEBI 37696 belt tensioner is specifically designed for the Mercedes S Class W221 model. This part is compatible with all variants of the W221 chassis code and works with all engine options produced between 2005 and 2013. The Mercedes S Class stands out for its comfort and performance in the luxury segment.
- Chassis code: W221
- Engine code: OM651
- Production year range: 2005-2013
- 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 been active in the automotive spare part industry for many years and serves as an OE supplier to many brands. Its products are approved by Mercedes-Benz factories and meet high-quality standards with ISO 9001 and TS 16949 certifications. These parts, produced in Germany, are known for their reliability.
Installation and Usage Notes
The installation of the belt tensioner should be carried out in harmony with other engine components. During installation, it should be ensured that the belt is properly tensioned. It is generally recommended to replace the belt tensioner every 100,000 km. Additionally, it is advisable to replace the belt tensioner along with the belt change. This enhances engine performance and prevents potential failures.
Frequently Asked Questions
Which W221 models is this belt tensioner used in?
The FEBI 37696 belt tensioner is compatible with all engine variants of the Mercedes S Class W221 model. It can be used in all W221 models produced between 2005 and 2013.
Is it original or aftermarket?
As an original equipment manufacturer, FEBI ensures that the quality of this belt tensioner is equivalent to original parts. It is produced to high standards and is superior to aftermarket parts in terms of performance and durability.
How long does this belt tensioner last / when should it be replaced?
The FEBI 37696 belt tensioner is generally durable up to 100,000 km. It is recommended to replace it when signs of wear on the belt are observed or when engine noises change.
Can I install it myself, or do I need to take it to a professional?
The installation of the belt tensioner is a procedure that requires expertise. If you do not have the necessary tools and knowledge, it is recommended to have it installed at an authorized service.
How long does it take to arrive, do I have a return right?
Your order is shipped on the same day. You can return your products within 14 days. It is sent with an e-archive invoice. You can also get assistance from our WhatsApp support line (wa.me/905382927219).
Advantages of German Parts Warehouse: Same day shipping, 14-day return policy, e-archive invoiced sales, 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.
- 6422000470 — Mercedes-Benz
- 6422001470 — Mercedes-Benz
- A6422000470 — Mercedes-Benz
- A6422001470 — Mercedes-Benz
Compatible vehicle information not yet added.
