FITMENT
Compatible with Mercedes-Benz Group AG diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx sensor monitoring.
Common applications include Mercedes-Benz diesel passenger cars and commercial vehicles using reference 5WK97403 / A0101538128.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide concentration in the exhaust system and sends data to the engine control unit for emissions management.

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically before or after the SCR catalyst depending on system layout.

Q3: What are symptoms of a faulty NOx sensor?
A3: Engine warning light, emissions-related fault codes, and incorrect SCR system operation.

Q4: Is it compatible with all Mercedes-Benz diesel models?
A4: No, compatibility depends on the exact engine and emissions system configuration.