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A0009053403 / 5WK96681D Mercedes NOx Sensor for W212 W222 C218 X218 A207 (2011–2017).
The A0009053403 / 5WK96681D NOx Sensor is a genuine OEM part used in many Mercedes-Benz diesel vehicles from 2011 to 2017. This sensor plays a critical role in your vehicle’s Selective Catalytic Reduction (SCR) system by detecting nitrogen oxide (NOx) levels in the exhaust and sending the data to the engine control unit (ECU). The ECU then adjusts AdBlue injection to reduce emissions and ensure compliance with stringent EURO standards.
Built to OEM specifications, this sensor guarantees a perfect fit, reliable performance, and long-lasting durability. Replacing a malfunctioning NOx sensor can improve fuel efficiency, engine performance, and emissions compliance.
Mercedes Part Number | Siemens VDO Part Number |
---|---|
A0009053403 | 5WK96681D |
This NOx sensor is compatible with the following Mercedes-Benz diesel models from 2011 to 2017:
Chassis Code | Model Series | Vehicle Model | Year Range | Engine Type |
---|---|---|---|---|
W212 | E-Class Sedan | E220 CDI, E250 CDI, E300 Bluetec | 2011–2016 | 2.2L / 3.0L Diesel |
A207 | E-Class Cabriolet | E250 CDI, E350 Bluetec | 2011–2017 | 2.2L / 3.0L Diesel |
C218 | CLS-Class Coupe | CLS250 CDI, CLS350 Bluetec | 2012–2017 | 2.2L / 3.0L Diesel |
X218 | CLS-Class Wagon | CLS250 CDI Shooting Brake | 2012–2017 | 2.2L Diesel |
W222 | S-Class Sedan | S350 Bluetec | 2013–2017 | 3.0L Diesel |
Important: Always verify compatibility with your vehicle’s VIN before ordering.
Genuine OEM Mercedes-Benz NOx sensor
Ensures accurate NOx emission readings
Supports SCR system with proper AdBlue injection
Improves engine performance and emissions compliance
Plug-and-play design for easy installation
Compatible with multiple E-Class, CLS, and S-Class models
Mounts directly into the exhaust pipe near the catalytic converter
Use proper torque specifications when installing
Clear stored fault codes using diagnostic tools after installation
Recommended professional installation for best results
Authentic and tested OEM parts
Competitive pricing for retail and wholesale buyers
Fast worldwide shipping with tracking
Customer support that understands your vehicle needs
Trusted by automotive professionals
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All orders are processed within 1-2 business days. Orders placed on weekends or holidays will be processed the next business day. You will receive a tracking number once your order has shipped, so you can track your package every step of the way.
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