This oxygen sensor, specifically designed for vehicles equipped with the M278 engine code in the Mercedes GL Series W166, is used in models produced between 2012 and 2019. The oxygen sensor plays a critical role in the vehicle's exhaust system; it optimizes the engine's combustion efficiency, controls emission levels, and enhances fuel economy. This part is essential for improving engine performance by transmitting accurate information to the engine control unit. Identified by the FEBI 177388 code, this part is manufactured to original equipment quality and is supported by 100% German engineering. As an important component of the engine system, the oxygen sensor is necessary for ensuring the proper functioning of the vehicle's fuel system.
Product Features and Benefits
- OEM Compatibility: FEBI 177388 is manufactured in accordance with original equipment standards. This part is approved by authorized Mercedes service centers and is designed to ensure perfect fitment in the vehicle.
- Material Quality: Produced using high-quality materials. This ensures the sensor's durability and longevity, maintaining the vehicle's performance at a consistently high level.
- Durability and Lifespan: FEBI 177388 is long-lasting even under challenging operating conditions. It can typically withstand up to 100,000 km and is resistant to high-temperature conditions.
- Performance: This oxygen sensor optimizes the fuel-air mixture of the engine, providing fuel savings and reducing emissions. Thus, it contributes to making the vehicle more environmentally friendly.
- Testing and Certification: The manufacturing process is carried out in accordance with ISO 9001 and TS 16949 standards. This demonstrates that the product's quality and reliability meet international standards.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 177388 |
| Part Type | Oxygen Sensor |
| Manufacturing Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
The FEBI 177388 oxygen sensor is compatible with vehicles that have the Mercedes GL Series W166 chassis code and M278 engine code. This model was produced between 2012 and 2019 and is positioned in the luxury SUV segment. The oxygen sensor enhances the engine efficiency of these vehicles, providing performance and fuel economy. It also supports compliance with emission standards.
- Chassis code: W166
- Engine code: M278
- Production year range: 2012-2019
- Trim/Variant: -
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 a long-standing history in the spare part market and supplies original equipment to many automotive brands. The manufacturing processes supported by ISO 9001, TS 16949, and IATF 16949 certifications guarantee product quality. FEBI is an approved supplier for prestigious brands like Mercedes-Benz and has high-quality manufacturing facilities in Germany. This reinforces its reputation in the spare part market.
Installation and Usage Notes
The installation of the oxygen sensor should be done carefully as it directly affects the vehicle's engine control system. During installation, ensure that the sensor's connection points are clean and secure. Generally, it is recommended to replace oxygen sensors every 100,000 km. Additionally, the overall condition of the exhaust system should be checked during sensor replacement. More frequent replacements may be necessary for city driving, while this interval may extend during long trips.
German Parts Warehouse Advantages: 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 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 a quote for the correct OE/equivalent part.
