Mercedes W251 Rear Bumper Carrier Crash Bar Support Reinforcer A2516190022

Mercedes W251 Rear Bumper Carrier Crash Bar Support Reinforcer is a component from the Bumpers and reinforcements category, designed for installation in the rear part of the vehicle body. It is responsible for providing stable support for the bumper, improving structural rigidity, and ensuring controlled load distribution during impacts, which is essential for both safety and bodywork durability.

Specifications and technical data

• SKU: A2516190022
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2516190022
• Substitutable numbers: A2516190022, A 251 619 00 22
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and function in the vehicle

The rear bumper reinforcement in Mercedes W251 models operates in a critical area of the rear bodywork. Its tasks include:

• stiffening the bumper mounting zone,
• transferring forces acting on the rear bumper during daily operation,
• working in conjunction with energy-absorbing elements in the event of a collision,
• maintaining the correct geometry for bumper mounting and surrounding panels.

Thanks to its proper design, this component helps reduce body panel deformation and ensures stable bumper seating, which translates into predictable vehicle behavior in emergency situations.

Technical characteristics and fitment

The presented reinforcement is a part designed specifically for the rear body zone, taking into account the geometry and spacing of mounting points characteristic of the W251 platform. This means:

• precise fitment to factory mounting points,
• maintaining the correct alignment of the bumper and adjacent components,
• compatibility with Mercedes factory structural solutions.

Such fitment facilitates installation and allows for maintaining the structural integrity of the rear body section without the need for modifications or interference with the vehicle's structure.

Condition of the component and benefits of use

The offered rear bumper reinforcement is an aftermarket part, which allows for cost-effective vehicle repair while maintaining proper performance parameters. Replacing a damaged reinforcement with a correctly selected component:

• restores proper support for the rear bumper,
• reduces the risk of further body damage in the rear zone,
• facilitates correct alignment of the bumper with the fenders and trunk lid.

For workshops and users, this means the possibility of efficient repair after a collision or corrosion of load-bearing elements, while adhering to the manufacturer's structural design requirements.

Application in service practice

Replacing the rear bumper reinforcement is particularly recommended after rear-end impacts, even if external damage appears minor. Invisible deformations of the reinforcement can:

• cause problems with bumper alignment,
• affect the operation of sensors and components mounted in the bumper,
• reduce the effectiveness of the crumple zone in the event of a subsequent impact.

Using the appropriate reinforcement in the Mercedes W251 model allows for restoring the predictable behavior of the rear body zone and the correct operation of elements mounted in the bumper.

Related components and additional information

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

For those interested in comparing structural solutions across different brands and segments, including sports versions, an article discussing the differences in the construction of powertrains, brakes, and chassis may be useful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.