FITMENT
Compatible with Mercedes-Benz Group AG diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Mercedes-Benz diesel passenger cars and commercial vehicles using reference 5WK96683F / A0009053706.

FAQ
Q1: What is the function of this NOx sensor?
A1: It measures nitrogen oxide levels in the exhaust system and sends data to the ECU for AdBlue/DEF dosing control and emissions compliance.

Q2: Where is it installed?
A2: It is installed in the exhaust system, typically upstream or downstream of the SCR catalyst depending on vehicle configuration.

Q3: What are symptoms of failure?
A3: Engine warning light, SCR system fault codes, increased emissions, and reduced engine performance or limp mode.

Q4: Is it compatible with all Mercedes-Benz models?
A4: No, compatibility depends on engine type, emissions standard, and SCR system setup.