This oxygen sensor, designed for Mercedes GL Series W166 vehicles with the M276 engine code, is used in models produced between 2012 and 2018. The oxygen sensor plays a critical role in the vehicle's exhaust system; it increases the engine's combustion efficiency, providing fuel savings and reducing emission values. This part is essential for optimizing engine performance and is recognized by the FEBI 177388 code. The oxygen sensor operates as part of the engine control system, regulating the fuel-air mixture to support healthy engine operation.
Product Features and Benefits
- OEM Compatibility: This oxygen sensor is manufactured according to original equipment standards and is fully compatible with parts used in authorized Mercedes service centers.
- Material Quality: Produced using high-quality materials, this sensor stands out for its durability. It is resistant to heat and chemical effects.
- Durability and Lifespan: Oxygen sensors can typically last up to 100,000 km. When used under the right conditions, it offers long-lasting performance.
- Performance: By optimizing fuel consumption, it reduces emission values and enhances overall engine performance.
- Testing and Certification: FEBI manufactures in compliance with international quality standards such as ISO 9001 and TS 16949, and this sensor meets these standards.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 177388 |
| Part Type | Oxygen Sensor |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
The FEBI 177388 oxygen sensor is suitable for the Mercedes GL Series W166 and is compatible with vehicles that have the M276 engine code. Models produced between 2012 and 2018 use this part to provide high performance and low emission values. This part ensures the proper functioning of the engine management system and enhances fuel efficiency.
- Chassis code: W166
- Engine code: M276
- Production year range: 2012-2018
- 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 active in the automotive spare part industry for many years, supplying original equipment to many well-known car brands. Thanks to its collaboration with Mercedes-Benz, FEBI products meet high-quality standards. By producing under ISO 9001 and TS 16949 certifications, it prioritizes customer satisfaction. This oxygen sensor, produced in Germany, is noted for its reliability.
Installation and Usage Notes
The installation of the oxygen sensor is critical for engine performance. Typically, it is recommended to replace these sensors every 100,000 km. During installation, ensure that the sensor's connection points are clean. Additionally, it is important to use the appropriate torque values during installation. To ensure the engine operates healthily, it is also recommended to check the exhaust system components along with this part. More frequent replacements may be required for city driving.
Frequently Asked Questions
Which W166 models use this oxygen sensor?
The FEBI 177388 oxygen sensor is used in the GL 350, GL 450, and GL 500 models of the Mercedes GL Series W166 with the M276 engine code.
Is it original or aftermarket?
FEBI is a brand with original equipment manufacturer status. This oxygen sensor is produced according to high-quality standards and offers longer lifespan and reliable performance compared to aftermarket parts.
How many km does this oxygen sensor last / when should it be replaced?
The FEBI 177388 oxygen sensor can typically last up to 100,000 km. However, it may require earlier replacement depending on engine performance. Signs of wear include increased fuel consumption and rising emission values.
Can I install it myself, or do I need to take it to a professional?
The installation of the oxygen sensor can be done with the appropriate tools. However, due to the sensitive structure of the engine, it is recommended to consult a professional. This is important for both your safety and the performance of your vehicle.
How long does it take to arrive, do I have a right to return?
Our orders are shipped on the same day. You have a right to return for 14 days. Additionally, sales are made with e-archive invoices. You can reach us for support via our WhatsApp line.
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.
