Shop 2016 Audi A5 Lock. Door. Latch. A8, S8; w/Closing Aid; Left. W/close assist, from VIN 4E7010182. Actuator, Assist, Left - OEM Audi Part # 4E1837015AB (4E1-837-015-AB)

Mechanism to secure Door to chassis. Motor to Lock and unLock car Door. Power Door Assist. Actuator Motor. AND Amplifier; switch.

Door Latch AssemblyDoor Lock Actuator Motor

Fits A8, S8

A8, S8; w/Closing Aid; Left. W/close assist, from VIN 4E7010182.
Door Lock Actuator - Repair or Replace
Your may need a new door lock actuator if your keyless entry doesn't work or your lock button doesn't lock the doors.