Mercedes W415 Rear Bumper Carrier Crash Bar Support Reinforcer A4156122400

The Mercedes W415 rear bumper reinforcement is a structural component designed for installation in the rear of the body, responsible for absorbing energy during impact and providing stable support for the bumper cover. This rear crash bar / carrier has been specifically designed for the Mercedes W415 body geometry, ensuring a proper fit and predictable behavior of the crumple zone.

Specifications and technical data

• SKU: A4156122400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4156122400
• Substitutable numbers: A4156122400, A 415 612 24 00
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and Function of the Component

The offered rear bumper bracket serves a load-bearing and reinforcing role for the rear body area. Its tasks include:

• stable support for the outer bumper cover,
• absorbing part of the loads in low and medium energy collisions,
• maintaining the correct geometry of the rear of the vehicle,
• limiting deformation of adjacent components in case of a rear impact.

Thanks to its adaptation to the Mercedes W415 construction, the component works with the factory mounting points, which promotes the preservation of the factory performance characteristics of the crumple zone.

Fitment for Mercedes W415

The reinforcement has been developed with the Mercedes W415 platform in mind, meaning its shape, mounting hole spacing, and profile are consistent with the manufacturer's original specifications. This design:

• facilitates installation in place of the original component without structural modifications,
• ensures proper alignment with the rear bumper and body elements,
• allows for the preservation of the body line intended by the manufacturer.

Its placement at the rear of the vehicle makes it a key component for the correct functioning of the entire bumper assembly.

Characteristics of the Used Component

The offered crash bar comes from the secondary market, allowing for a favorable purchase cost while maintaining original geometry and construction. A used component of this type is a good solution in situations where:

• a quick replacement of a damaged reinforcement after a collision is necessary,
• preserving the factory fit to the body is important,
• compatibility with original mounting points is crucial.

Choosing an original bumper reinforcement from the aftermarket helps maintain the structural integrity of the rear of the vehicle without the need for substitutes with uncertain geometry.

Application in the Passive Safety System

The rear crash bar in the Mercedes W415 contributes to the controlled deformation zone, influencing how impact energy is dissipated. A correctly selected and installed reinforcement:

• limits the transfer of forces to further body structure elements,
• supports the operation of other rear bumper components,
• helps maintain correct gaps and panel division lines after repair.

This allows for the repair of the rear of the vehicle after a collision to restore not only aesthetics but also predictable structural behavior in future road situations.

Expansion and Selection of Elements from the Same Group

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

Additional Technical Information and Tips

When selecting a rear bumper reinforcement, it is worth paying attention to compatibility with the specific body version and the condition of the mounting points on the vehicle. Correct installation, maintaining alignment and proper tightening of fasteners, affects the durability of the entire assembly and the way loads are transferred in case of an impact.

If you are also interested in improving ergonomics and driving feel through modifications to the driver's area, an article discussing the replacement of steering wheels with sport and premium versions may be helpful: Personalization and Ergonomics – When is it Worth Replacing the Steering Wheel with a Premium Model?.