Mercedes W205 Rear Bumper Reinforcement Impact Crash Bar A2056100514

Mercedes W205 Rear Bumper Reinforcement Impact Crash Bar is an original structural body component, designed as a rear beam to absorb impact energy. This component from the Bumpers and reinforcements group is responsible for the controlled transfer of forces during a collision, supporting passenger safety and the stability of the vehicle's rear section.

Specifications and technical data

• SKU: A2056100514
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2056100514
• Substitutable numbers: A2056100514, A 205 610 05 14
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and function of the component

The offered reinforcement is dedicated to the rear body section of the Mercedes C-Class W205 generation model. As a rear bumper beam, it operates within the crumple zone, working in conjunction with the bumper cover, frame rails, and other structural elements. A correctly selected and installed beam allows for maintaining the factory deformation characteristics of the body, which is important for both safety and the subsequent repairability of the vehicle.

Construction and technical properties

The Mercedes W205 Rear Bumper Reinforcement Impact Crash Bar is a load-bearing element that transfers collision loads to the body structure. The design was developed by the vehicle manufacturer with consideration for precisely selected stiffness and controlled deformation. As a result, the beam:

• stabilizes the rear part of the body during daily operation,
• limits the extent of damage during low and medium-energy impacts,
• supports the proper functioning of crumple zones and passive safety systems.

As an element from the Bumpers and reinforcements group, the beam is designed for precise fitment to the mounting points on the body, which facilitates installation and allows for maintaining the geometry of the vehicle's rear section.

Benefits of using an original reinforcement

Using an original rear bumper beam in a Mercedes W205 allows for maintaining the structural integrity of the vehicle. Compared to replacements of unknown origin, the original component ensures:

• compliance with the factory design assumptions of the body,
• secure fitment to the rear bodywork without the need for modifications,
• predictable behavior in a collision situation, consistent with the manufacturer's specifications.

A used component of this type is often chosen as an economical, yet technically correct solution for post-accident repairs, especially when the goal is to maintain the original construction and reduce service costs.

Placement on the vehicle and assembly aspects

The beam is intended for installation in the rear part of the vehicle, in the structural area behind the bumper cover. Proper installation requires maintaining axial alignment relative to the body and checking the mounting points so as not to disturb the geometry of the rear zone. In practice, this means the necessity of:

• checking the condition of the frame rails and mounts before installation,
• using appropriate tools for the removal and installation of the bumper and reinforcement,
• verifying gaps and alignment with the bumper cover after completing the work.

A repair prepared in this way allows for restoring the proper operation of the rear body zone and ensuring stable support for the remaining elements of the collision system.

Condition of the component and use in repairs

The offered beam is a used component, which in practice means it comes from vehicle dismantling and has been verified for its suitability for further use. This type of solution is often chosen by workshops and users who want to combine the technical correctness of the repair with a rational service budget. In the case of post-accident repairs, the use of a used, original reinforcement allows for shortening the waiting time for the part and reducing costs compared to a new element.

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 beams, reinforcements, or crossbars, check the available parts in the Mercedes Bumpers and reinforcements category.

To better plan service work and choose a repair strategy using original components from dismantling, it is worth reading the guide on the impact of the availability of used OEM parts on the vehicle's downtime at the service center: Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten the stay in the workshop?.