Chassis Components› Chassis and Frame Components

Mercedes-Benz

Door Lock Actuator

$313.99

SKU: MB1408001975

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Genuine Mercedes Door Lock Actuator is a direct replacement for your vehicle's original component. Symptoms of a failing actuator include inability to lock or unlock doors, intermittent locking issues, or a sticking door lock.
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It functions by receiving signals from your key fob, door switch, or central locking system, and then activating the locking mechanism. This part is typically found in each door and is integral to the vehicle's overall security system. Symptoms of a failing door lock actuator can manifest in several ways, including the inability to lock or unlock a specific door, intermittent locking or unlocking that may be accompanied by clicking sounds, or a door lock that sticks or jams, making it difficult to operate. This actuator is made in Germany and is classified as a Genuine Mercedes-Benz part, indicating it's manufactured under the direction of Mercedes-Benz to meet their stringent quality standards. While often carrying a premium price, these parts ensure the best possible fit and function for your vehicle. The part number for this actuator is 140-800-19-75, with associated numbers including A1408001975 and 94533042001.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMercedes-Benz
Part NumberMB1408001975
CategoryChassis Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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