Fitment
Compatible with Mercedes-Benz diesel emission systems

Vehicle applications include:
Mercedes-Benz C-Class
Mercedes-Benz E-Class
Mercedes-Benz ML-Class
Mercedes-Benz GLA-Class
Mercedes-Benz S-Class
Mercedes-Benz C300
Mercedes-Benz ML350
Other vehicles using part number A0009056204 / 5WK9 7249

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 aftertreatment section of the diesel emission system.

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

Q4: What are common failure symptoms?
A4: Engine warning light, emission system fault codes, or reduced engine performance mode.

Q5: Are all listed Mercedes-Benz models using the same sensor?
A5: No, compatibility depends on engine type and emission system calibration, not only chassis code.