High accuracy, hermetically sealed, small size, plug-and-play direct fit for easy installation. Fixes check engine light issues, provides extreme durability for long life, improves fuel economy, and lowers emissions. Features higher-grade electric components with improved heat sink and charging capabilities. Item Type: Car Oxygen Sensor Fitment Type: Direct Install Condition: Part Number: A0009053503 5WK96682D 5WK96682A Manufacturer Part Number: A 000 905 35 03 A 000 905 70 00 A 000 905 30 00 A 006 542 72 18 A 003 542 88 18 Fitment: For - W164 W166 W205 W212 W221 W251 For - GL320 2007–2009 – 3.0L 6 Cyl (24 Valve) – Turbo Diesel For - GL350 2010–2014 – 3.0L 6 Cyl (24 Valve) – Turbo Diesel For - ML320 2007–2009 – 3.0L 6 Cyl (24 Valve) – Turbo Diesel For - ML350 2010–2014 – 3.0L 6 Cyl (24 Valve) – Turbo Diesel For - R320 2007–2009 CDI AWD – 3.0L 6 Cyl (24 Valve) – Turbo Diesel For - R350 2010–2012 Bluetec 4Matic – 3.0L 6 Cyl (24 Valve) – Turbo Diesel For - SLK350 2012–2014 – 3.5L 6 Cyl (24 Valve) Color: Black & Silver Material: Plastic + Metal Package Contents: 1 x Car NOx Sensor (Nitrogen Oxide Sensor) Only the above package content is included; other products are not included. Note: Light reflection and different display settings may cause slight color variations between the item in the picture and the actual product. Measurement may vary by +/- 1–3 cm.