Fitment
Compatible with Mercedes-Benz diesel SCR emission systems

Vehicle applications include:
Mercedes-Benz W205 diesel models
Mercedes-Benz W164 diesel models
Mercedes-Benz W166 diesel models
Mercedes-Benz X164 diesel models
Mercedes-Benz X166 diesel models
Mercedes-Benz R172 diesel models
Mercedes-Benz Sprinter diesel models (select applications)
Other vehicles using part number A0009053503

FAQ
Q1: What is the function of this NOx sensor?
A1: It detects nitrogen oxide levels in exhaust gases for emission system monitoring and control.

Q2: Where is this sensor installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalytic system.

Q3: Is part number matching required?
A3: Yes, correct part number matching is required for proper fitment.

Q4: What are common failure symptoms?
A4: Engine warning lights, SCR 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 configuration.