Genuine Mercedes-Benz NOx Sensor A0009050219 is part of our Popular Mercedes Products reference cluster. This electrical or sensing component is designed for a defined Mercedes-Benz application and may depend on hardware version, emissions equipment and control-unit coding.
Product overview
Front and/or rear NOx sensor depending on Mercedes-Benz model. Suitable for:. E-Class 238 model series.
Compatibility and selection
Verify the VIN, installed part number, connector, emissions specification and any coding or adaptation requirements before replacement.
Why the correct specification matters
Electronic components that appear physically similar can use different software, calibration or signal ranges, making chassis-level identification essential.
Related Mercedes-Benz product guides
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