Facet 10.8171 Oxygen Sensor - Rear

Facet 10.8171 Rear Oxygen Sensor

Facet 10.8171 is a rear oxygen sensor for select Mercedes-Benz applications. It is built for direct fitment on the rear sensor location and supports accurate exhaust monitoring on the listed vehicles.

Key Features

• Rear oxygen sensor for emission control service
• Fits 2012-2015 Mercedes-Benz C250, rear
• Fits 2012-2015 Mercedes-Benz SLK250, rear
• Facet part number 10.8171 for easy identification
• OE-style replacement for the specified rear position

Detailed Description

This Facet oxygen sensor is specified for the rear position on 2012-2015 Mercedes-Benz C250 and 2012-2015 Mercedes-Benz SLK250. As part number 10.8171, it is intended for vehicles that require rear exhaust feedback for emission control system operation. If you are searching for a rear oxygen sensor for Mercedes-Benz C250 or a rear oxygen sensor for Mercedes-Benz SLK250, this application-specific part number helps narrow the match quickly.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Replacing a failed rear oxygen sensor
• Addressing check engine light concerns tied to oxygen sensor faults
• Restoring exhaust monitoring on the rear sensor circuit
• Correcting emissions-related diagnostic trouble codes
• Maintaining proper feedback for engine management on the listed Mercedes-Benz models

Installation Notes and Tips

Verify the rear sensor location before ordering, since this part is not listed for front positions. Confirm the vehicle year, model, and engine/emissions configuration against the fitment data for 2012-2015 Mercedes-Benz C250 and 2012-2015 Mercedes-Benz SLK250. Compare the connector and sensor routing on the removed unit to confirm the application before installation.

Quality Assurance

Facet is an established name in emission control sensors, and part number 10.8171 is cataloged for the listed Mercedes-Benz rear applications.