NGK direct-fit oxygen sensor for 1998–2000 Mercedes-Benz C43 AMG. Oxygen sensors provide continuous closed-loop feedback to the engine control unit, helping maintain engine performance, improve fuel efficiency and reduce emissions by controlling the air–fuel ratio and notifying OBDII systems of fuel delivery or catalytic converter problems. This unit includes an advanced ceramic sensor element with a 3-stage contaminant-resistant plasma-jet and deposit-trap overcoat to protect against poisoning.
NGK Mercedes-Benz C43 AMG 2000-1998 Direct Fit Oxygen Sensor