Part numbers:A1649004101Signal Acquisition And Actuation Module () Controls the operation of various electrical systems for your vehicle body; This unit must be programmed after installationPosition: Rear;In TrunkPart Type:Rear Signal Acquisition And Actuation Module ()CONDITION:BRAND NEWThis module is brand new in packaging,never been used or installed.It will require programming after installation.Make sure your technician knows how to program it and have right software for it. It is not for models with Code 848.Controls the operation of various electrical systems for your vehicle bodyReplaces numbers:1644405401, 1645400101, 1645401101, 1645402201, 1645407245, 1645407345, 1645407445, 1645407545, 1645407845, 1645407945, 1645408145, 1645408462, 1645408845, 1645408945, 1645409045, 1645409162, 1645409245, 1649004800, 1649007200, 1644403501, 1644404601APPLICATIONS:Not for cars with (Code 848)for 2007-2009 GL320 164.825 164.822for 2010-2012 GL350 164.825for 2007-2012 GL450 164.871for 2008-2012 GL550 164.886for 2007-2009 ML320 164.125 164.122for 2006-2012 ML350 164.186 From chassis A 053008 From October 5th 2005;for 2007-2010 ML350 164.186 164.125for 2010-2011 ML450 164.195for 2008-2011 ML550 164.172for 2010-2011 ML63 AMG 164.177 From chassis A 694290 From January 11th 2011for 2010-2012 R350 251.157 251.125 251.165 251.124 251.156 From chassis A 125365 From January 11th 2011Colour: blackMaterial: ABSPackage Contents:1 x Rear Signal Acquisition ModuleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.