Replacement REPM960923 5-Wire Oxygen Sensor OEM Replacement

The Replacement REPM960923 is a direct-fit, OEM-quality 5-wire oxygen sensor designed as a reliable replacement for Mercedes-Benz C-Class and SLK-Class vehicles. This sensor monitors exhaust oxygen levels and continuously reports air-fuel ratio data to the engine control unit (ECU), enabling precise fuel delivery adjustments for optimal engine performance and emissions compliance.

Key Features:

• 5-Wire Design: Wideband sensor configuration providing enhanced accuracy and faster response times compared to standard narrow-band sensors
• Direct-Fit Replacement: Engineered to match OEM specifications for a plug-and-play installation with no splicing or wiring modifications required
• OEM-Quality Construction: Built to meet or exceed original equipment standards for durability and long service life
• Restores Engine Performance: Corrects poor fuel economy, rough idle, and check engine light codes related to oxygen sensor failure
• Emissions Compliance: Helps maintain proper catalytic converter function and emissions output

Also referred to as an O2 sensor or air-fuel ratio sensor, this unit is sold individually and is compatible with Mercedes-Benz C-Class (2006–2021) and SLK-Class (2005–2016) applications. Verify your specific vehicle position (upstream or downstream, Bank 1 or Bank 2) before installation.