Features 1.OEM numbers for reference: 1647400735/1647400035/1647400335. 2、Fit for GL320 164.822 2007‑2008/for GL350 164.825 2010‑2012. 3、Restore the ease and convenience of remotely locking or unlocking your vehicle tailgate. 4、Simple installation, direct replacement for the old or broken one. 5、Vehicle try-on testing has been conducted to ensure trouble-free performance. Specification Item Type: Trunk Lock Actuator Material: Aluminum Actuator Arm Included: Yes Mounting Hole Quantity: 2 Actuator Arm Length: Approx. 1in Length: Approx. 3in Width: Approx. 5.81in OEM: 1647400735 / 1647400035 / 1647400335 / 1647400435 / URO014560 Fitment: 2007-2008 Fit for Mercedes Benz GL320 164.822 2009-2009 Fit for Mercedes Benz GL320 164.825 2007-2012 Fit for Mercedes Benz GL450 164.195 2010-2012 Fit for Mercedes Benz GL350 164.825 2008-2012 Fit for Mercedes Benz GL550 164.172 2006 Fit for Mercedes Benz ML350 164.186 2007 Fit for Mercedes Benz ML350 164.186 thru chassis # A 227439; thru 01/17/07 2006 Fit for Mercedes Benz ML500 164.175 2007 Fit for Mercedes Benz ML500 164.172 thru chassis # A 227439; thru 01/17/07 2007 Fit for Mercedes Benz ML63 AMG 164.177 thru chassis # A 227439; thru 01/17/07 2007-2008 Fit for Mercedes Benz R320 251.122 2009-2009 Fit for Mercedes Benz R320 251.125 2006-2007 Fit for Mercedes Benz R500 251.175 2007-2007 Fit for Mercedes Benz R63 AMG 251.177 Package List 1 x Trunk Lock Actuator