The Mercedes GL Series W166, equipped with the M157 engine, was produced between 2012 and 2019. The oil pump chain ensures the circulation of engine oil by rotating the engine's oil pump. This part is critical for the healthy operation of the engine, as insufficient oil pressure can lead to wear or damage. The oil pump chain with the code FEBI 25446 is manufactured in accordance with Mercedes' high standards and is designed to enhance engine performance. This part belongs to the engine system.
Product Features and Benefits
- OEM Compatibility: This oil pump chain is manufactured according to original equipment standards. Designed according to authorized service standards, the part fits perfectly.
- Material Quality: Produced using high-quality materials, which increases durability and ensures a long lifespan. The production technology complies with the latest engineering standards.
- Durability and Lifespan: This oil pump chain has an estimated lifespan of up to 100,000 km. It is resistant to extreme temperatures and harsh conditions.
- Performance: Optimizes the engine's oil pressure, enhancing the overall performance of the engine. This leads to fuel savings and improvements in emission values.
- Testing and Certification: Manufactured in accordance with ISO 9001, TS 16949, and IATF production standards. Factory approved and has passed high-quality tests.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 25446 |
| Part Type | Oil Pump Chain |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This oil pump chain is compatible with vehicles of the Mercedes GL Series W166 chassis code, used in models with the M157 engine code. These vehicles, produced between 2012 and 2019, are among the best examples in the SUV segment, offering high performance and comfort. The W166 chassis code encompasses the latest versions of this series.
- Chassis code: W166
- Engine code: M157
- Production year range: 2012-2019
- Trim/Variant: GL 350/GL 450/GL 500
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 recognized as an OE supplier for many years and produces factory-approved parts for Mercedes-Benz. Continuously raising quality standards with ISO 9001, TS 16949, and IATF 16949 certifications, FEBI manufactures OE parts for Mercedes, BMW, and many other premium automotive brands. These parts, produced in modern manufacturing facilities in Germany using the best engineering practices, offer high reliability and performance.
Installation and Usage Notes
The installation of the oil pump chain should be performed by professionals. The oil pump chain is a part that should be checked during every oil change. Additionally, it is important to pay attention to the torque value during installation. When replacing this part, the oil filter and engine oil should also be changed. In urban use, the lifespan of the oil pump chain may be shortened; therefore, regular maintenance is recommended.
Frequently Asked Questions
In which W166 models is this oil pump chain used?
This oil pump chain is used in the Mercedes GL Series W166 chassis code models GL 350, GL 450, and GL 500.
Is it original or aftermarket?
FEBI is an original equipment manufacturer for Mercedes. This part is produced in accordance with OE standards and offers higher quality and durability compared to aftermarket parts.
How many km does this oil pump chain last / when should it be replaced?
The oil pump chain can generally last up to 100,000 km. Signs of wear include increased engine noise and decreased oil pressure; in this case, replacement is recommended.
Can I install it myself, or do I need to take it to a professional?
The installation of the oil pump chain is a process that requires expertise. If you do not have the necessary tools and knowledge, it is recommended to consult an authorized service.
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; you can contact our customer service for return procedures.
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 contact line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part as a quote.
