Feature: 1. Made on the basis of the original car, perfectly match for R350 Bluetec 4M 20102012. 2. The reference part number is 6420907397/ 6420907497/ A6420908237, good car accessories. 3. Used for repairing, replacement, renovation and other operations, good choice for you. 4. Perfect match with the original car, nondestructive installation and direct replacement, only to achieve the best performance. 5. Using highquality stainless steel material, durable, high performance, long service life. Specification: Item Type: Air Intake Duct Sensor Material: Rubber + Stainless Steel OEM: 642 090 34 97, 6420903497, A 642 090 34 97, A6420903497 642 090 60 97, 6420906097, A 642 090 60 97, A6420906097 642 090 63 97, 6420906397, A 642 090 63 97, A6420906397 642 090 73 97, 6420907397, A 642 090 73 97, A6420907397 642 090 74 97, 6420907497, A 642 090 74 97, A6420907497 642 090 82 37, 6420908237, A 642 090 82 37, A6420908237 Fitment: For W211 W164 W251 For E320 2007-2009 For E350 Bluetec 2011-2013 For GL320 2007-2009 For GL350 2010-2012 For ML320 2007-2009 For ML350 Bluetec 4M 2010-2011 For R320 2007-2009 For R350 Bluetec 4M 2010-2012 Package List: 1 x Air Intake Duct Sensor Note: 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!