Mercedes SLK R172 Rear Bumper Guide Right O/S Mount Bracket A1728856400

Mercedes SLK R172 Rear Bumper Guide Right O/S Mount Bracket is a precision body component from the Bumpers and reinforcements category, designed for the rear right side of the vehicle. It is responsible for the stable guidance and support of the bumper, which translates into proper fitment of the bumper cover and an aesthetic appearance of the rear body section. This used original part is a sensible choice for post-accident repairs and correcting the bumper geometry in a Mercedes SLK R172.

Specifications and technical data

• SKU: A1728856400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728856400
• Substitutable numbers: A1728856400, A 172 885 64 00
• Location on the vehicle: Rear, Right
• Category: Bumpers & Reinforcements

Purpose and function of the component

The rear bumper guide mount on the right side of the Mercedes SLK R172 is responsible for:

• guiding and supporting the bumper in the rear area,
• maintaining the correct gap lines between the bumper and the bodywork,
• reducing unwanted vibrations and play within the bumper area,
• stabilizing the bumper corner during vehicle operation.

Thanks to its tailored geometry, the component works with factory mounting points, which facilitates installation and allows for maintaining the original body edge profile.

Benefits of using an original mount

Using an original bumper guide mount in a Mercedes SLK R172 provides a number of practical advantages:

• Factory fitment – the component is designed for a specific model, with no need for modifications or adjustments.
• Consistency with the body structure – maintaining the stiffness of the bumper-to-body connection as intended by the manufacturer.
• Installation repeatability – the ability to correctly align the bumper after bodywork repairs or cover replacement.
• Optimal cooperation with other rear zone components, such as reinforcements or other bumper brackets.

A used, original part allows for reduced repair costs while maintaining technically correct installation and proper bumper fitment.

Vehicle placement and installation aspects

The presented mount operates in the area of the rear right body section, in the immediate vicinity of the bumper corner. When replacing it, it is worth paying attention to:

• checking the condition of other bumper mounting points in the rear zone,
• proper seating of the guide in the factory body sockets,
• even tightening of the bumper on the right side relative to the left,
• verifying the gaps between the bumper, fender, and trunk lid after installation is complete.

This approach allows for restoring the correct geometry of the rear part of the vehicle and reducing the risk of joint misalignment.

Characteristics of the used component

The offered bumper guide mount is a used part, sourced from dismantling. Such components are frequently chosen for body repairs because they:

• ensure compatibility with the vehicle's factory design,
• allow for optimizing the repair budget,
• prove effective as a replacement in case of mechanical damage to the original bracket.

Before installation, a standard visual inspection and a "dry fit" of the component to the body structure are recommended to confirm the correct alignment of all mounting points.

Expanding rear bumper repairs

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 guides, reinforcements, or additional brackets, check the available parts in the Mercedes Bumpers and reinforcements category.

More about used body parts

If you want to better understand the specifics of dismantled parts, their real durability, and the cost-effectiveness of using them in repairs, it is worth reading our guide: Used car parts: Myths and facts you need to know. This is a practical supplement to your knowledge when planning repairs involving the body and bumpers.