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Mercedes-Benz W204/W211 Rear Oxygen Sensor, fits Mercedes-Benz C-Class/E-Class, OEM A0045420818, monitors exhaust oxygen content, optimizes combustion and emissions.
Replaces OEM #
MOQ
1件
| Vehicle Model / Generation | Year | Engine | Specification |
|---|---|---|---|
| C Class | — | — | — |
| E Class | — | — | — |
| 420 | — | — | — |
If a Mercedes-Benz W204 or W211 shows MIL, increased fuel consumption, rough idle, or weak acceleration, rear oxygen sensor aging likely. It monitors exhaust oxygen in real time and feeds ECU to adjust air-fuel ratio for efficient combustion and reduced emissions. OEM A0045420818, compatible with 0258006747; fits W204 (2007-2014) and W211 (2002-2009). Install with cold engine; disconnect battery negative before removal; avoid high-temperature exposure of sensor wiring near exhaust.
奔驰W204 W211后氧传感器 A0045420818
W204-W211