Mercedes R172 Passenger Side Bumper Bracket Rear Left N/S A1728800130

Mercedes R172 Bumper Bracket Slider Left Rear is a part from the Bumpers and Reinforcements category, designed for the rear left part of the body. It is responsible for the stable support and correct positioning of the bumper cover, which is important for both the vehicle's body geometry and aesthetics.

Specifications and technical data

• SKU: A1728800130
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728800130
• Substitutable numbers: A1728800130, A 172 880 01 30
• Location on the vehicle: Rear, Left
• Category: Bumpers & Reinforcements

Intended Use and Function of the Part

The bumper mounting slider in Mercedes R172 models serves as a guide bracket that holds the rear bumper in its designed position relative to the fender and other body panels. A correctly selected and installed part:

• stabilizes the rear bumper on the left side, limiting its deflection and vibrations,
• ensures proper alignment of gaps between the bumper and the body,
• helps maintain the rigidity of the entire rear corner during everyday use.

The placement on the vehicle specified as rear – left side facilitates unambiguous identification and selection of the part during collision repair or bumper mounting adjustments.

Technical Characteristics and Installation

The bracket belongs to the group of structural body elements that transfer the bumper's load to the vehicle's structure. It is designed to:

• work in conjunction with the factory mounting points in the body,
• maintain predictable bumper behavior when opening the trunk, driving over uneven surfaces, and under minor operational loads,
• allow for repeatable installation after bumper removal, e.g., for paint repairs.

The part is intended for installation in the place of the factory slider, which helps maintain the original body geometry and reduces the need for additional modifications. This makes the repair more predictable, and the final result closer to the factory finish.

Condition and Practical Application

The part is offered as a used genuine part, which in practice means a favorable combination of OEM quality with an attractive price compared to a new component. These types of brackets are particularly useful for:

• collision repairs of the rear bumper on the left side,
• eliminating play, sagging, or misalignment of the bumper from the fender,
• restoring factory body fitment after previous, unprofessional repairs.

Using a genuine slider helps reduce the risk of fitment issues that often arise with aftermarket parts of less precise dimensions.

Benefits of Choosing a Genuine Bumper Slider

By choosing this bracket, you gain:

• compatibility with the Mercedes body structure – a part designed for the specific geometry of the R172,
• secure bumper guidance in the rear left part of the vehicle,
• the ability to restore the aesthetic appearance of the rear end without excessive modifications,
• a reasonable repair cost by using a used part with OEM specifications.

Other Mercedes Bumpers and Reinforcements and Installation Tips

If you are also looking for other Mercedes bumpers and reinforcements for a comprehensive repair of the rear body section, check out our offer: Mercedes bumpers and reinforcements. This will help you easily assemble all the necessary structural and mounting elements in one place.

When planning a more extensive car modernization – for example, combining body repairs with improving cabin comfort – a guide on how to wisely choose used parts might be helpful. You can find practical tips in the article: Premium interior for half the price with used seats, steering wheels, and multimedia.