- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NGK "1629" - Not available
SMART - City-Coupe, Cabrio, Fortwo, Roadster; MERCEDES-BENZ - S-Class, E-Class; AUDI - A4, TT
Additional numbers
NGK:
OZA659-EE42