Mercedes W177 W247 Bumper Rear Carrier Cross Member Support Bar A1776105300

Mercedes W177 W247 Bumper Rear Carrier Cross Member Support Bar is an original structural component from the Bumpers and reinforcements group, designed for installation in the rear part of the vehicle body. The beam provides stable support for the bumper, reinforces the body geometry, and assists in the proper distribution of loads during daily vehicle operation.

Specifications and technical data

• SKU: A1776105300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1776105300
• Substitutable numbers: A1776105300, A 177 610 53 00
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and function of the rear bumper beam

The rear bumper support beam in W177 and W247 series models is responsible for the rigid, repeatable mounting of the bumper cover to the body structure. This component operates in the rear zone of the vehicle, stabilizing the bumper relative to the longitudinal members and side panels, and limiting unwanted deflection during driving, parking, or maneuvers with light loads.

Thanks to its factory geometry and fitment for the specific platform, the beam allows for maintaining proper gaps between the bumper, the trunk lid, and the fenders, which translates into a consistent appearance and correct fitment of body elements.

Benefits of using an original Mercedes beam

Using an original support in Mercedes W177 and W247 family vehicles ensures:

• maintenance of the rear body stiffness as designed by the manufacturer,
• correct alignment of the bumper line relative to other panels,
• better compatibility with factory mounting points and hardware,
• reduction of the risk of stress in the bumper cover resulting from poor fitment.

Choosing an element from the Bumpers and reinforcements group dedicated to a specific platform facilitates installation and avoids modifications that could negatively affect the durability of connections and the aesthetics of the rear of the vehicle.

Installation characteristics and application

The rear bumper support beam operates in the rear area of the vehicle, where precise fitment to factory mounting points is essential. The design is prepared to work with the original bumper and associated components, which helps maintain the consistency of the entire body system.

This type of element is particularly useful for post-accident repairs, correcting the geometry of the rear body, or replacing a bumper when the existing support has been deformed. Using an original beam allows for the restoration of factory fitment parameters and stability of the rear zone.

Condition and origin of the component

The offered beam comes from a Mercedes vehicle and is classified as a used part. This means the component was previously in service but retains the functionality necessary for further use after proper installation. For many users, this is a reasonable compromise between repair costs and maintaining the original body structure.

In the case of structural elements from the reinforcements and supports group, choosing a used OEM component allows for maintaining material and dimensional consistency with other body parts, which is important both from the point of view of durability and subsequent service maintenance.

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

For drivers considering a wider use of aftermarket parts when servicing other brands, an article describing the advantages of such solutions may be helpful – more information can be found in the material on the benefits of choosing used BMW parts.