NGK direct-fit oxygen sensor for Mercedes-Benz S320 (1997–1999) provides OE-quality sensing to help maintain engine performance, maximize fuel efficiency and reduce emissions. NTK sensors deliver constant closed-loop feedback to the ECU to control air-fuel ratio and support OBDII diagnostics. An advanced ceramic element with a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat protects against element poisoning and improves durability.
NGK Mercedes-Benz S320 1999-1997 Direct Fit Oxygen Sensor