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Shopping for Mercedes-Benz-S450
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Door Lock Actuator

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Front Driver Door Lock Actuator for 2018-2019 Mercedes-Benz S450
A-Premium®Part # APDLA0500
Front Driver Door Lock Actuator for 2018-2019 Mercedes-Benz S450
4.638 Reviews
CA$92.99
Quantity Less than 3
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2-year warranty
90 days free return
Fits Mercedes-Benz S450: 2018 2019
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz S450
Specifications
Front Passenger Door Lock Actuator for 2018-2019 Mercedes-Benz S450
A-Premium®Part # APDLA0501
Front Passenger Door Lock Actuator for 2018-2019 Mercedes-Benz S450
4.638 Reviews
CA$92.99
Quantity Less than 3
Edit Postal code
2-year warranty
90 days free return
Fits Mercedes-Benz S450: 2018 2019
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz S450
Specifications
Front Driver Door Lock Actuator for 2008-2011 Mercedes-Benz S450
A-Premium®Part # APDLA0782
Front Driver Door Lock Actuator for 2008-2011 Mercedes-Benz S450
4.638 Reviews
CA$282.99
Quantity Less than 3
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2-year warranty
90 days free return
Fits Mercedes-Benz S450: 2008 2009 2010 2011
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz S450
Specifications
Rear Driver Door Lock Actuator for 2018-2019 Mercedes-Benz S450
A-Premium®Part # APDLA0503
Rear Driver Door Lock Actuator for 2018-2019 Mercedes-Benz S450
4.638 Reviews
CA$92.99
Quantity Less than 3
Edit Postal code
2-year warranty
90 days free return
Fits Mercedes-Benz S450: 2018 2019
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz S450
Specifications
Rear Passenger Door Lock Actuator for 2018 Mercedes-Benz S450
A-Premium®Part # APDLA0499
Rear Passenger Door Lock Actuator for 2018 Mercedes-Benz S450
4.638 Reviews
CA$228.99
Edit Postal code
2-year warranty
90 days free return
Fits 2018 Mercedes-Benz S450
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mercedes-Benz S450
Specifications

What is a door lock actuator?

A door lock actuator is a crucial mechanical component installed within car doors, enabling automatic locking and unlocking with the push of a button. It eliminates the need for manually pulling rods or cables to operate the lock.

In most vehicles, the actuator connects to the latch via a rod, while the latch itself links to the doorknob through another rod. The doorknob extends through the top of the door for easy access.

When the doorknob is pushed down, the actuator disengages the latch from the door handle and the rest of the locking mechanism, preventing the door from opening. Conversely, pulling the doorknob up re-engages the latch with the door handle, allowing the door to open smoothly.

The symptoms of a bad door lock actuator

Door lock actuators are essential components in any vehicle, providing security for your car, belongings, and personal safety. However, door lock actuators can sometimes develop issues that may cause inconvenience. If they begin to malfunction, you can often troubleshoot and fix them with the right knowledge and a bit of patience. 

Keep an eye out for the most common signs of a bad door lock actuator in need of repair: sticking or unresponsive parts, unusual noises when locking or unlocking, and difficulty opening the door from the inside. Identifying these issues early can help prevent further complications and ensure your vehicle’s locks function smoothly.

Why choose A-Premium?

A-Premium is committed to building a reliable framework that makes auto repairs, including door lock actuator replacement, more predictable. We offer high-quality aftermarket door lock actuators, 24/7 customer support, a 90-day free return policy, and a 3-year warranty. Your shopping experience is our top priority.