Mercedes-Benz 450SE Car Door Lock Actuator Replacement at your home or office.

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Average rating from customers who
received a Door Lock Actuator Replacement.
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$206.29 - $621.89

Price range for all vehicles


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Average rating from customers who
received a Door Lock Actuator Replacement.
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Car Door Lock Actuator Replacement Estimate for Mercedes-Benz 450SE

Mercedes-Benz 450SE Car Door Lock Actuator Replacement costs $477 on average.

CarServiceEstimateShop/Dealer Price
1973 Mercedes-Benz 450SEV8-4.5LService typeDoor Lock Actuator - Driver Side Front ReplacementEstimate$710.74Shop/Dealer Price$887.30 - $1333.45
1973 Mercedes-Benz 450SEV8-4.5LService typeDoor Lock Actuator - Rear Hatch/Trunk ReplacementEstimate$330.09Shop/Dealer Price$412.03 - $606.58
1974 Mercedes-Benz 450SEV8-4.5LService typeDoor Lock Actuator - Driver Side Rear ReplacementEstimate$890.56Shop/Dealer Price$1107.74 - $1680.45
1975 Mercedes-Benz 450SEV8-4.5LService typeDoor Lock Actuator - Driver Side Rear ReplacementEstimate$881.56Shop/Dealer Price$1106.30 - $1684.68
1976 Mercedes-Benz 450SEV8-4.5LService typeDoor Lock Actuator - Passenger Side Rear ReplacementEstimate$1072.80Shop/Dealer Price$1336.21 - $2051.16
1975 Mercedes-Benz 450SEV8-4.5LService typeDoor Lock Actuator - Passenger Side Front ReplacementEstimate$1073.08Shop/Dealer Price$1333.14 - $2040.68
1975 Mercedes-Benz 450SEV8-4.5LService typeDoor Lock Actuator - Driver Side Front ReplacementEstimate$719.74Shop/Dealer Price$891.96 - $1334.86
1974 Mercedes-Benz 450SEV8-4.5LService typeDoor Lock Actuator - Driver Side Front ReplacementEstimate$710.74Shop/Dealer Price$885.37 - $1330.07
Show example Mercedes-Benz 450SE Car Door Lock Actuator Replacement prices

Car Door Lock Actuator Replacement Service

What is the Door Lock Actuator all about?

A door lock actuator is the component in electronic door locks that is responsible for locking and unlocking the vehicle’s doors. When a button is pressed to lock or unlock a door, the door lock switch triggers the actuator. A small motor in the actuator then triggers a series of gears. The final gear is connected to a rack and pinion set of gears, which converts the rotational motion of the motor into the vertical motion necessary to lock or unlock the door.

Keep in mind:

Some modern vehicles have a complete door lock assembly which can’t be separated into individual components. These vehicles will need the entire assembly replaced, rather than just the actuator.

Our recommendation:

The door lock system shouldn’t be checked unless you notice that something is wrong. As soon as you notice your vehicle behave oddly when you lock or unlock the doors, schedule an inspection.

What common symptoms indicate you may need to replace the Door Lock Actuator?

  • Doors won’t lock.
  • Doors won’t unlock.
  • Doors will only lock or unlock sporadically.
  • Doors make an unusual noise while locking or unlocking.
  • Car alarm goes off randomly.

How important is this service?

A door lock actuator is responsible for locking and unlocking your doors. When the door lock switch is triggered, the actuator’s motor powers a set of gears that lock or unlock your door. When the actuator stops working, there is no communication between the door lock switch and the door locks, and you’ll be unable to lock or unlock the door.

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Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating


YourMechanic Mercedes-Benz Door Lock Actuator Replacement Service

Average Rating

4.8/5

Number of Reviews

15

Rating Summary
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Caster

27 years of experience
176 reviews
Caster
27 years of experience
Mercedes-Benz 450SE - Car is running hotter than normal - Novato, California
Caster was great! I really appreciated the texts keeping me updated on the appointment and letting me know he arrived (early). He was friendly, knowledgeable, and took the time needed to check out my car and explain things. I took some notes plus felt reassured that I would also have written follow up from Your Mechanic. He gave instructions on what I need to do and when, and we began to design a plan for him to do repairs. Great first visit!!

Peter

42 years of experience
1316 reviews
Peter
42 years of experience
Mercedes-Benz ML350 - Door Lock Actuator Replacement (Driver Side Rear, Passenger Side Rear) - Peoria, Arizona
Pete was very professional, and did a wonderful job! I would highly recommend Pete to service your vehicle! I will definitely be a returning customer. John

Craig

17 years of experience
56 reviews
Craig
17 years of experience
Mercedes-Benz GL450 - Door Lock Actuator Replacement (Driver Side Front) - San Diego, California
Work performed properly and on time.

Lucas

20 years of experience
863 reviews
Lucas
20 years of experience
Mercedes-Benz C300 - Door Lock Actuator Replacement (Passenger Side Front) - Studio City, California
A great experience with Lucas!

Excellent Rating


YourMechanic Mercedes-Benz Door Lock Actuator Replacement Service

Average Rating

4.8/5

Number of Reviews

15

Rating Summary
13
1
1
0
0
13
1
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Number of Mercedes-Benz Door Lock Actuator Replacement services completed
165+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mercedes-Benz MECHANICS
900+
experts on our platform

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com