The Mercedes GL Series W166 is equipped with the OM651 engine option and was produced between 2012 and 2019. This thermostat is a critical component to ensure the efficient operation of the engine's cooling system. By controlling the engine temperature, it prevents overheating and keeps the engine at its optimal operating temperature. This part, with the code FEBI 108840, is manufactured to original equipment quality and meets Mercedes' high standards. The thermostat is an important part of the engine cooling system, and if it does not function correctly, it can lead to a decrease in engine performance.
Product Features and Benefits
- OEM Compatibility: FEBI 108840 is manufactured in accordance with Mercedes' original equipment standards. This ensures complete compatibility in terms of part fitment and performance.
- Material Quality: Produced using high-quality materials. Offers a durable and long-lasting structure.
- Durability and Lifespan: This thermostat is durable for up to 100,000 km under normal usage conditions. It is resistant to extreme temperatures and pressures.
- Performance: By maintaining the engine temperature at an optimal level, it increases fuel efficiency and reduces emissions.
- Testing and Certification: Manufactured in accordance with international production standards such as ISO 9001 and TS 16949.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 108840 |
| Part Type | Thermostat |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine Cooling System |
Vehicle Compatibility
The FEBI 108840 thermostat is compatible with the OM651 engine of the Mercedes GL Series W166. This part is designed for all W166 series vehicles produced between 2012 and 2019. It plays a critical role in the effective operation of the engine cooling system in this model. The W166 series is positioned in the luxury SUV segment and offers high performance.
- Chassis code: W166
- Engine code: OM651
- Production year range: 2012-2019
- 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 spare part industry for many years and supplies original equipment to many automotive manufacturers. The products of this brand are approved in Mercedes-Benz factories and have ISO 9001, TS 16949, and IATF 16949 certifications. These parts, produced in Germany, offer high quality and durability, earning the trust of car owners.
Installation and Usage Notes
There are some points to consider during the installation of the FEBI 108840 thermostat. Proper placement of the thermostat is critical for the effective operation of the engine's cooling system. During installation, the old gasket or sealing materials must be completely cleaned, and a new gasket should be used. Additionally, the torque value should be set to 10 Nm during installation. This part is generally recommended to be replaced every 100,000 km. It is also important to change the engine coolant at certain intervals.
Frequently Asked Questions
Which W166 models is this thermostat used in?
The FEBI 108840 thermostat is compatible with the OM651 engine of the Mercedes GL Series W166 and can be used in all W166 series vehicles produced between 2012 and 2019.
Is it original or aftermarket?
FEBI is one of the original equipment suppliers for Mercedes-Benz. Therefore, the FEBI 108840 thermostat is of original part quality and offers higher durability and reliability compared to aftermarket parts.
How long does this thermostat last / when should it be replaced?
The FEBI 108840 thermostat can last approximately 100,000 km under normal usage conditions. If the engine shows signs of overheating or there is a coolant leak, the part should be replaced.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the FEBI 108840 thermostat can be done by those who have basic hand tools. However, since the engine cooling system is a sensitive part, it is recommended to be careful during installation. If you lack experience, it would be better to consult a mechanic.
How long does it take to arrive, do I have a return right?
Your order is shipped on the same day. You have the right to return within 14 days. Shipments are made with an e-archive invoice. You can always get assistance from our WhatsApp support line (wa.me/905382927219).
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 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.
