Fitment

Fits for:

• Mercedes-Benz E-Class (W212 / S212 select diesel BlueTEC / SCR applications)
• Mercedes-Benz S-Class (W221 select diesel SCR systems)
• Mercedes-Benz GL / GLK / ML-Class (select OM642 diesel SCR configurations depending on emissions setup)
• Engine: Diesel emissions SCR / AdBlue system applications
• Position: NOx sensor (typically post-catalyst / downstream depending on configuration)
• OE Numbers: A0009055812 / 0009055812 / A0009059603 (superseded in some applications)

FAQ

Q1: Is this compatible with all Mercedes-Benz diesel vehicles?
A1: No, compatibility depends on engine type (commonly OM642), model year, and SCR system configuration.

Q2: Where is it installed?
A2: It is installed in the exhaust system after the catalyst or SCR unit, depending on vehicle layout.

Q3: Is this an inlet or outlet sensor?
A3: A0009055812 is commonly used as a downstream (post-SCR / post-catalyst) NOx sensor in many applications.

Q4: Are there superseded part numbers?
A4: Yes, Mercedes-Benz may replace this number with updated revisions depending on production changes.