Description
Visual condition of the part
The product shows signs of use visible in the photos.
Mercedes ML W166 Trunk Boot Tailgate Rear Lock Cover Trim is a practical finishing element designed for the rear part of the vehicle body. Its discreet black color allows for the aesthetic masking of the lock mechanism while ensuring a consistent look with the factory finish of the trunk interior. This solution is particularly useful for post-collision repairs or when completing the tailgate in W166 generation ML models.
Specifications and technical data
- SKU: A1667400072
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A1667400072
- Substitutable numbers: A1667400072, A 166 740 00 72
- Location on the vehicle: Rear
- Color: Black
- Category: Boot & Hatch Lids
Purpose and function of the component
The presented cover is a part from the Tailgates and rear parts group, mounted in the rear zone of the vehicle. Its task is to cover the tailgate lock, protect the mechanism against accidental mechanical damage, and visually organize the luggage space. Thanks to its fitment to the Mercedes ML W166 body structure, the element ensures stable mounting and correct alignment of the upholstery edges in the lock area.
Construction, color, and fitment
The lock cover is manufactured as a dedicated component for the rear body section, with profiling that matches the geometry of the tailgate in the ML W166. The black color facilitates integration with the factory upholstery and trunk plastics, reducing the visibility of any potential operational scratches. The element is intended for installation in the rear part of the vehicle, which allows for precise fitting with the lock and other interior covers.
Use in service and repairs
The tailgate lock cover will prove useful for:
- restoring the completeness of the tailgate after body and paint repairs,
- replacing missing finishing elements in the luggage space,
- improving the aesthetics of the rear interior after previous disassembly,
- servicing the lock mechanism when it is necessary to replace a damaged cover.
As a dismantled part, the element allows for an economical restoration of the factory look of the tailgate, while maintaining compliance with the solutions used by Mercedes in the ML W166 model.
Benefits of using an original cover
Using a dedicated lock cover in the rear body section ensures:
- a visually consistent look of the luggage space,
- protection of the lock mechanism against accidental impact from luggage,
- easier maintenance of order in the area of the lock and upholstery,
- secure fitment to the tailgate structure in the ML W166 without modifications.
For users who pay attention to technical correctness and finishing aesthetics, the original rear lock cover is a reasonable choice for any major intervention in the rear part of the body.
Part selection and additional information
When selecting tailgate finishing elements, it is worth verifying compatibility with the specific version of the ML W166 body and the existing upholstery configuration. Manufacturer markings, reference numbers, and mounting parameters assigned to a given unit can be helpful. In case of doubts regarding compatibility, it is recommended to consult a service center specializing in the Mercedes brand or compare with currently installed components.
If you are planning a comprehensive repair or modernization of the rear body zone in your Mercedes and need other elements from the same group, such as internal tailgate covers, trim strips, or upholstery panels, check the available parts in the Mercedes Tailgates and rear parts category.
For users interested in a broader approach to vehicle service – including the selection of drivetrain elements and the use of used parts – the guide article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which discusses practical aspects of operation and repair of advanced components, may be helpful.





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