This oxygen sensor, designed for Mercedes R Series W251 vehicles with the M273 engine code, is used in models produced between 2005 and 2015. The oxygen sensor is a critical component for optimizing the engine's air-fuel mixture. This part enhances engine efficiency, reduces fuel consumption, and controls emissions. Known by the FEBI 177388 code, this product interacts directly with the vehicle's engine management system, minimizing the engine's performance impact on the environment.
Product Features and Benefits
- OEM Compatibility: This oxygen sensor is manufactured to meet original equipment standards and ensures perfect compatibility with your vehicle. It is designed according to authorized service standards.
- Material Quality: Made from high-quality materials, this sensor stands out for its durability. It offers long-lasting performance.
- Durability and Lifespan: The estimated lifespan of the oxygen sensor is 100,000 km. It is resistant to extreme temperatures and harsh conditions.
- Performance: By optimizing the engine's air-fuel mixture, it provides fuel savings and reduces emission values.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 production standards. Its quality has been certified by independent laboratories.
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
This oxygen sensor, compatible with the Mercedes R Series W251 and M273 engine code, is designed for R Series vehicles produced between 2005 and 2015. The proper functioning of this part is critical for the vehicle's engine performance and fuel efficiency. Users should be careful during the installation of this sensor and ensure that the connections are correct.
- Chassis code: W251
- Engine code: M273
- Production year range: 2005-2015
- Trim/Variant: R Series
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 sector for many years and serves as an OE supplier for many brands. Its products are quality assured with ISO 9001 and TS 16949 certifications. These parts, produced in Germany, are used in the manufacturing of high-end vehicles like Mercedes. FEBI's high-quality manufacturing processes and technological innovations reinforce its reputation in the industry.
Installation and Usage Notes
The installation of the oxygen sensor should be performed by qualified personnel. This part, which affects the engine's air-fuel mixture, can negatively impact engine performance if not installed correctly. During installation, it is important to set the sensor's torque value correctly. Additionally, it is recommended to clean the connection points of the old sensor during the sensor replacement. Regular checks of the oxygen sensor are important for engine efficiency.
Frequently Asked Questions
In which W251 models is this oxygen sensor used?
This oxygen sensor is used in Mercedes R Series W251 models produced between 2005 and 2015. It is ideal for vehicles with the M273 engine code.
Is it original or aftermarket?
FEBI is an original equipment manufacturer and adheres to high-quality standards. This oxygen sensor is produced to OEM quality.
How long does this oxygen sensor last / when should it be replaced?
The average lifespan of the oxygen sensor is 100,000 km. Signs of wear may manifest as a decrease in engine performance and an increase in fuel consumption.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the oxygen sensor should be performed by qualified personnel. Ensuring correct connections is critical for engine performance.
How long will it take to arrive, do I have a return right?
Your orders are shipped the same day. You have the right to return within 14 days. You can contact us via our WhatsApp support line for assistance.
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.
