The Mercedes R Series W251 was produced between 2005-2017 with the M276 engine code. This oxygen sensor plays a critical role in optimizing the engine's air-fuel mixture. Its proper functioning enhances engine performance and reduces fuel consumption. Therefore, the FEBI 177388 oxygen sensor is a vital part for the proper operation of your vehicle's emission system and is part of the engine management system.
Product Features and Benefits
- OEM Compatibility: FEBI 177388 is manufactured according to original equipment standards. It ensures part fitment compatibility at authorized service centers.
- Material Quality: Made from high-quality materials, it stands out for its durability and long-lasting performance.
- Durability and Lifespan: This sensor can withstand up to 100,000 km under normal usage conditions and shows resistance to extreme temperatures.
- Performance: By accurately measuring the engine's air-fuel mixture, it saves fuel consumption and reduces emissions.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards and has passed all necessary tests.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 177388 |
| Part Type | Oxygen Sensor |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine Management System |
Vehicle Compatibility
The FEBI 177388 oxygen sensor is compatible with vehicles of the Mercedes R Series W251 model with the M276 engine code. This sensor accurately measures the engine's air-fuel mixture, enhancing engine performance. Vehicle compatibility is as follows:
- Chassis code: W251
- Engine code: M276
- Production year range: 2005-2017
- 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 is a well-known brand with many years of experience in the spare part industry. Based in Germany, FEBI is recognized as an original equipment supplier for many automotive manufacturers. It meets quality standards with ISO 9001, TS 16949, and IATF 16949 certifications. This sensor is specifically designed and manufactured for Mercedes-Benz vehicles, offering high performance and durability.
Installation and Usage Notes
The oxygen sensor is a critical part for accurately measuring the engine's air-fuel mixture. Therefore, it is recommended to check it during every maintenance and replace it when necessary. It is important to pay attention to the torque value during the installation of the oxygen sensor. Additionally, ensure that this part is compatible with other systems of the engine during replacement. The sensor is typically integrated into the engine's exhaust system and should be handled carefully during installation.
Frequently Asked Questions
Which W251 models is this oxygen sensor used in?
The FEBI 177388 oxygen sensor is used in all variants of the Mercedes R Series W251 model with the M276 engine code. It is compatible with vehicles produced between 2005-2017.
Is it original or aftermarket?
FEBI is recognized as an original equipment manufacturer. Therefore, the FEBI 177388 oxygen sensor is of equivalent quality and performance to original parts.
How many km does this oxygen sensor last / when should it be replaced?
The FEBI 177388 oxygen sensor can last approximately 100,000 km under normal usage conditions. However, it is recommended to replace it if a decrease in engine performance or emission issues are observed.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the oxygen sensor can be done with basic hand tools. However, it is recommended to seek assistance from a specialist to ensure compatibility with other systems of the engine.
How long does it take to arrive, do I have a return right?
Your order is shipped the same day. You have a return right within 14 days. For details, you can contact our support line.
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.
