Fitment
Compatible with Mercedes-Benz diesel vehicles equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx monitoring. Used in models including Mercedes-Benz W212 E-Class, Mercedes-Benz W166 GLE-Class, and S-Class S350 diesel configurations depending on exhaust aftertreatment setup. OEM part number A0091533628 and cross reference 5WK96616F must be verified before installation.

FAQ
Q1: What does this sensor measure?
A: It measures nitrogen oxides (NOx) and oxygen levels in diesel exhaust gases for SCR system monitoring.

Q2: Which vehicles is it compatible with?
A: It is used in selected Mercedes-Benz diesel models including W212 E-Class, W166 GLE/ML-Class, and S350 diesel variants depending on system configuration.

Q3: Is this a universal part?
A: No, compatibility depends strictly on OEM part number A0091533628 or equivalent reference 5WK96616F.

Q4: Does installation require programming?
A: Some vehicles may require ECU reset or diagnostic adaptation after replacement.

Q5: Where is it installed?
A: It is installed in the exhaust aftertreatment system, typically before or after the SCR catalyst.