

Mercedes S-Class W140 M104 Belt Tensioner Pulley | FEBI 19001
Mercedes S Class W140 M104 Belt Tensioner Bearing
FEBI 19001 | Original Equipment (OEM) | 100% German Quality
The Mercedes S Class W140 is a luxury vehicle equipped with the M104 engine. Produced between 1991 and 1998, this model offers high performance and comfort. The belt tensioner bearing is a critical component to ensure the proper functioning of the engine's belt system. This part helps maintain the correct tension of the belt, aiding in the efficient operation of the engine. The FEBI 19001 belt tensioner bearing is designed to enhance the reliability of the engine's belt system and is vital for the vehicle's engine system.
Product Features and Benefits
- OEM Compatibility: FEBI is manufactured according to original equipment standards. This part is approved by Mercedes-Benz authorized services and provides excellent compatibility with the engine's belt system.
- Material Quality: Made from high-quality materials, ensuring durability and longevity. The production technology complies with modern engineering standards.
- Durability and Lifespan: This belt tensioner bearing can last up to 100,000 kilometers. It delivers reliable performance even in extreme temperatures and harsh conditions.
- Performance: Ensures the proper functioning of the engine's belt system, enhancing engine performance. Improves fuel efficiency and reduces emissions.
- Testing and Certification: Manufactured in accordance with ISO 9001, TS 16949, and IATF production standards. Has passed factory-approved tests.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 19001 |
| Part Type | Belt Tensioner Bearing |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
The FEBI 19001 belt tensioner bearing is designed to be compatible with the Mercedes S Class W140 model equipped with the M104 engine. This part provides excellent compatibility with W140 series vehicles produced between 1991 and 1998. The W140 series is known for its high performance and comfort in the luxury sedan segment.
- Chassis code: W140
- Engine code: M104
- Production year range: 1991-1998
- Trim/Variant: Luxury Sedan
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-known brand in the spare part market for many years. It operates as an original equipment supplier for Mercedes-Benz. It meets quality standards with ISO 9001, TS 16949, and IATF 16949 certifications. These parts, produced in Germany, manufacture OE for many automotive brands worldwide. It is one of the best brands in the industry in terms of quality and reliability.
Installation and Usage Notes
The most important point to consider during the installation of the belt tensioner bearing is to ensure the belt is at the correct tension. This part is recommended to be checked and replaced if necessary every 100,000 kilometers. It is advisable to replace this part along with the engine belt. Using the correct torque value during installation extends the part's lifespan. More frequent checks may be required in urban use.
Frequently Asked Questions
In which W140 models is this belt tensioner bearing used?
The FEBI 19001 belt tensioner bearing is used in all variants of the Mercedes S Class W140 model equipped with the M104 engine, produced between 1991 and 1998.
Is it original or aftermarket?
FEBI is recognized as an original equipment supplier for Mercedes-Benz. Therefore, the FEBI 19001 belt tensioner bearing is a product equivalent to the original part, offering high quality and performance.
How many kilometers does this belt tensioner bearing last / when should it be replaced?
The FEBI 19001 belt tensioner bearing can typically last up to 100,000 kilometers. Signs of wear may manifest as noise or vibration in the belt. In such cases, the part should be replaced.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the belt tensioner bearing is a process that requires technical knowledge. If you do not have mechanical knowledge, it is recommended to have it installed at an authorized service.
How long will it take to arrive, do I have the right to return it?
Your order is shipped the same day. You have the right to return within 14 days. Sales are made with e-archive invoices. You can also contact us through our WhatsApp support line.
German Parts Warehouse Advantages: 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 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 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.
- 1042001070 — Mercedes-Benz
- A1042001070 — Mercedes-Benz
