FITMENT
Compatible with Mercedes-Benz Group AG diesel vehicles equipped with SCR (Selective Catalytic Reduction) systems requiring NOx monitoring.
Common applications include Mercedes-Benz Euro V / Euro VI diesel engines using reference A0009057208 / SNS424A.

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

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

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

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