Mercedes W177 Rear Bumper Carrier Right O/S Mount Support Bracket A1778853402

Mercedes W177 Rear Bumper Carrier Right O/S Mount Support Bracket is a precision mounting component from the Bumpers and reinforcements category, designed for the rear right side of the vehicle body. It is responsible for the stable guidance and support of the bumper, which translates into proper fitment of the bumper cover and an aesthetic appearance of the vehicle's rear zone.

Specifications and technical data

• SKU: A1778853402
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1778853402
• Substitutable numbers: A1778853402, A 177 885 34 02
• Location on the vehicle: Rear, Right
• Category: Bumpers & Reinforcements

Purpose and function of the component

The bumper support bracket in Mercedes W177 models plays a key role in the correct seating of the rear bumper on the right side of the vehicle. It is responsible for:

• maintaining the correct geometry and lines of the bumper relative to the body,
• stable support of the bumper cover in the rear zone,
• reducing unwanted play and vibrations of external components.

Thanks to its design tailored to the specific body model, it ensures compatibility with factory mounting points, which facilitates installation and subsequent fitment adjustment.

Construction and body fitment

The bracket has been designed as a structural element that works with the rear bumper on the right side. Its shape and the arrangement of the clips are adapted to the factory body architecture, which allows for:

• precise guidance of the bumper edge in the corner zone,
• proper transfer of loads from the bumper cover to the body structure,
• maintaining panel gaps at a level close to factory specifications.

Its location on the vehicle in the rear right part of the body makes this component particularly important for repairs after side-rear collisions and when replacing the bumper after parking damage.

Use in repairs and restorations

Mercedes W177 Rear Bumper Carrier Right O/S Mount Support Bracket will prove useful both for local repairs and for more extensive bodywork and paint jobs. It is particularly useful when:

• the original bracket has been deformed or cracked,
• stable re-installation is not possible after bumper removal,
• it is necessary to restore the correct fitment of components after repairing the body structure.

A properly selected element from this group allows for reducing the need for additional adjustments and gap corrections, which shortens repair time and improves the final visual effect.

Product characteristics and condition

The offered bracket comes from a Mercedes vehicle and belongs to the Bumpers and reinforcements group. This is a used part, which in practice means it has already been in service on a vehicle but is still suitable for further use after proper installation. This type of solution is often chosen as a technically sound and economical alternative to new components, especially for post-accident repairs.

Thanks to the preservation of factory geometry and mounting points, the bracket can be used as a replacement for a damaged component, restoring the correct seating of the rear bumper on the right side of the vehicle.

Complementary Mercedes body components

If you are planning a comprehensive repair or upgrade of the rear body zone in your Mercedes and need other elements from the same group, such as additional brackets, sliders, or bumper reinforcements, check the available parts in the Mercedes Bumpers and reinforcements category.

When planning broader service work, it is also worth paying attention to other vehicle subassemblies, including the drivetrain. The guide article Used gearbox – when is it worth it and what you need to remember, which discusses the practical aspects of choosing and operating used parts, may help in making decisions regarding the selection of used components.