Facet 10.8234 Oxygen Sensor - Rear, Rear Left or Rear Right

Facet 10.8234 Oxygen Sensor for Mercedes-Benz

Facet 10.8234 is a rear oxygen sensor for select Mercedes-Benz applications, including C300, E-Class, ML-Class, GL-Class, and S-Class models. It is specified for rear left, rear right, and rear positions depending on the vehicle, making it a direct-fit option for emissions system service.

Key Features

• Facet oxygen sensor for rear emissions monitoring
• Fits select Mercedes-Benz C300, GL450, GL550, GLK350, E350, E550, ML350, ML550, R350, S550, CL550, CLS63 AMG, E63 AMG, ML63 AMG, S63 AMG, and S400 applications
• Rear left, rear right, and rear position coverage by vehicle
• Part number 10.8234 for accurate catalog matching
• Supports replacement of a worn or failed downstream sensor

Detailed Description

Facet 10.8234 is an oxygen sensor used in the rear section of the exhaust system on select Mercedes-Benz vehicles. It is listed for 2006-2013 model years across multiple platforms, including Mercedes-Benz C300 rear, GL450 rear left, GL550 rear left, GLK350 rear, E350 rear, E550 rear, ML350 rear left, ML550 rear left, R350 rear left, S550 rear, CL550 rear, CLS63 AMG rear, E63 AMG rear, ML63 AMG rear, S63 AMG rear, and S400 rear right. Use part number 10.8234 to confirm the correct application before ordering.

This part cross-references no additional part numbers provided in the catalog data.

Common Replacement Reasons

• Check engine light related to rear oxygen sensor performance
• Fault codes tied to exhaust gas monitoring
• Rough emissions test results caused by a failing downstream sensor
• Incorrect air-fuel feedback data from the rear sensor circuit
• Sensor aging, contamination, or response slowdown

Installation Notes and Tips

Verify the exact position before installation, since fitment varies by model and may be rear left, rear right, or rear. Match the vehicle year, model, and exhaust location to the catalog listing for Facet 10.8234. On Mercedes-Benz applications such as C300, E350, ML350, and S550, confirm the rear sensor location against the original part before replacement.

Quality Assurance

Facet manufactures emission control sensors for vehicle-specific replacement applications. Confirm fitment by year, model, and position to ensure the correct oxygen sensor is selected for your Mercedes-Benz.