General description A door lock actuator is the component in electronic door locks responsible for locking and unlocking the vehicle's doors. This specific actuator is designed for the tailgate of various Mercedes-Benz models. Technical specifications OE part numbers: A1647400435, 1647400435, 164 740 04 35, A 164 740 04 35, A1647400735, 1647400735, 164 740 07 35, A 164 740 07 35, A1647400335, 1647400335, 164 740 03 35, A 164 740 03 35 Installation position: tailgate Scope of delivery: 1x tailgate lock Compatibility and accessories Fits for Mercedes-Benz GL-Class (X164) GL320 / GL350 / GL420 / GL450 / GL500 (Built 2007-2012) Fits for Mercedes-Benz M-Class (W164) ML280 / ML300 / ML320 / ML350 / ML420 / ML450 / ML500 / ML63 AMG (Built 2005-2011) Fits for Mercedes-Benz R-Class (W251) R280 / R300 / R320 / R350 / R500 / R550 / R63 AMG (Built 2006-2013) Installation We recommend a professional installation for this product.