FITMENT:
Compatible with Mercedes-Benz passenger diesel vehicles equipped with SCR emission systems, including:
W177 / V177 (A-Class), W205 / A205 / C205 / S205 (C-Class), W213 (E-Class), C257 (CLS-Class) depending on diesel engine and emission configuration.

OEM reference number: A0009058111.
Used in diesel exhaust aftertreatment system for NOx monitoring (AdBlue/DEF SCR system).
Installed in exhaust system (inlet or outlet position depending on vehicle setup).
Fitment must be confirmed by OEM part number and emission system configuration before installation.

FAQ:

Q1: How do I confirm compatibility?
A1: Match OEM number A0009058111 with your original NOx sensor and verify connector type, wiring length, and SCR system layout.

Q2: Which vehicles does this fit?
A2: It is used on multiple Mercedes-Benz diesel platforms such as A-Class (W177/V177), C-Class (W205), E-Class (W213), and CLS (C257) depending on engine variant.

Q3: Where is this NOx sensor installed?
A3: It is installed in the SCR exhaust aftertreatment system, before or after the catalytic converter depending on configuration.

Q4: What are common failure symptoms?
A4: Engine warning light, SCR/AdBlue system fault, incorrect NOx readings, or reduced engine performance.

Q5: Does replacement require programming?
A5: Some vehicles require diagnostic reset or SCR system adaptation after installation.