Fitment
Compatible with Mercedes-Benz diesel emission systems

Vehicle applications include:
Mercedes-Benz A180 (W177 diesel models)
Mercedes-Benz CLA180 (C118 diesel models)
Mercedes-Benz A-Class W177 diesel variants
Mercedes-Benz CLA-Class C118 diesel variants
Other Mercedes-Benz vehicles using part number A0101531728 / 5WK97332

FAQ

Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in diesel exhaust for emission system control.

Q2: Where is this sensor installed?
A2: It is installed in the exhaust system, typically in the aftertreatment section of the emission system.

Q3: Is part number matching required?
A3: Yes, exact part number matching is required for correct compatibility.

Q4: Are W177 and C118 using the same sensor?
A4: They may share the same emission system type, but compatibility depends strictly on engine and calibration.

Q5: What are common failure symptoms?
A5: Engine warning light, emission system fault codes, or reduced engine performance mode.