Description
Product Overview
Part Name: Nitrogen NOx Oxygen Sensor (Inlet / Upstream)
Part Numbers: 5WK97338A, A0101532228, A2C89603200-01, SNS338A
Vehicle Compatibility: Mercedes-Benz Vehicles (US Models) – Designed for U.S.-spec diesel vehicles including Sprinter, GLE, E-Class, C-Class, and GL-Class equipped with SCR (Selective Catalytic Reduction) emission systems (2013–2022)
Configuration: OEM-style inlet (upstream) NOx sensor engineered to measure nitrogen oxide concentrations before the SCR catalyst. Provides real-time exhaust data to the ECU for accurate emissions management.
Function: Detects pre-treatment NOx levels in exhaust gases, ensuring efficient AdBlue dosing and emission system calibration for optimal performance and compliance with U.S. EPA standards.
Technical Specifications
Type: Nitrogen Oxide (NOx) Oxygen Sensor – Inlet / Upstream
Material: Corrosion-resistant stainless steel probe with ceramic sensing element and heat-insulated cable assembly
Application: Fits Mercedes-Benz U.S. diesel engines (2013–2022) using NOx sensor references 5WK97338A / A0101532228 / A2C89603200-01 / SNS338A
Cross-Reference: Equivalent to Mercedes OE part numbers above; fully compatible with OEM SCR and AdBlue exhaust systems
Installation: Direct-fit replacement; installs upstream of the SCR catalyst and connects to OEM harness with standard fittings
Service Interval: Replace when the check engine light appears, sensor fault codes occur, or fuel efficiency and emission control degrade
Delivery & Availability
Stock Options: High-quality aftermarket inlet NOx sensors for Mercedes-Benz available
Delivery Time: 3–7 days internationally
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