Fitment

Fits for:

• Mercedes-Benz trucks and buses (select Euro 6 SCR diesel systems)
• Mercedes-Benz Actros / Antos / Arocs (where equipped with corresponding SCR configuration)
• Engine: Diesel emissions SCR / AdBlue system applications
• Position: Exhaust NOx sensor (inlet or outlet depending on configuration)
• OE Numbers: SNS3209 / A3C03696100 / 566-9021

FAQ

Q1: Is this compatible with all Mercedes-Benz heavy-duty vehicles?
A1: No, compatibility depends on engine variant, emissions standard, and SCR system layout.

Q2: Where is it installed?
A2: It is installed in the exhaust system to measure nitrogen oxide levels for SCR control.

Q3: Are all listed part numbers interchangeable?
A3: Yes, these are cross reference numbers used for the same application depending on configuration.

Q4: What does this sensor monitor?
A4: It monitors nitrogen oxide concentration in the exhaust system to support emissions control operation.