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Fitment
Compatible with Mercedes-Benz diesel vehicles equipped with SCR (Selective Catalytic Reduction) emission systems requiring NOx monitoring. Commonly used in E-Class W212, CLS-Class W218, and related diesel engine emission control systems. OEM part number A0091533628 and cross reference 5WK96616D must be verified before installation.

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

Q2: Which vehicles is it compatible with?
A: It is used in selected Mercedes-Benz diesel models including E-Class W212 and CLS-Class W218 depending on emission system configuration.

Q3: Is this a universal sensor?
A: No, compatibility depends strictly on OEM part number A0091533628 or equivalent reference 5WK96616D.

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

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

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