Mercedes W164 Rear Bumper Carrier Cross Member Support Bar A1646190122

The Mercedes W164 Rear Bumper Reinforcement Bar is an original structural body component designed for installation in the rear of the vehicle. As part of the Bumpers and Reinforcements group, it is responsible for stable bumper support and proper load transfer during daily operation. A used OEM part helps maintain the factory body geometry and correct fitment of the rear panel.

Specifications and technical data

• SKU: A1646190122-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1646190122
• Substitutable numbers: A1646190122, A 164 619 01 22
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and Technical Function

The rear bumper support bar in the Mercedes W164 plays a crucial role as a support element for the entire bumper assembly. It is responsible for:

• maintaining the proper structural rigidity in the rear of the body,
• stable mounting of the bumper cover and associated components,
• correct distribution of forces acting on the rear part of the car body.

Thanks to its factory fitment for the W164 platform, the bar maintains compatibility with original mounting points, which facilitates installation and reduces the risk of issues with bumper alignment or gaps between components.

Construction and Body Fitment

The reinforcement bar is specifically designed for use in the rear body zone, where it must work in conjunction with the chassis rails, brackets, and bumper covers. The construction includes appropriate mounting points, allowing for direct bolting to factory locations on the car body without modifications.

Its original origin from the Mercedes line promotes the preservation of the correct geometry of the entire rear assembly – from the bar, through the absorber, to the outer bumper shell. This is particularly important for post-accident repairs, where precise restoration of the original body structure is crucial.

Benefits of Using an Original Rear Bumper Reinforcement Bar

Using an original reinforcement bar in the Mercedes W164 helps to avoid common problems encountered when installing aftermarket parts. The main benefits include:

• factory fitment to the W164 body structure,
• compatibility with original mounting points and hardware,
• stable bumper support under everyday driving conditions.

For body shops and owners who prioritize technical correctness in repairs, this solution facilitates achieving even gaps and proper alignment of the entire rear bumper section.

Vehicle Placement and Service Application

The component is designed for installation in the rear of the vehicle, serving as a load-bearing bar supporting the bumper. It is suitable for both collision repairs and replacement of worn or corroded structural elements. A used OEM component offers a reasonable compromise between cost and maintaining the vehicle's original specifications.

If you are planning a comprehensive repair or upgrade of the rear body section of your Mercedes and require other parts from the same group, such as bars, reinforcements, or cross brackets, check the available parts in the Mercedes Bumpers and Reinforcements category.

To better plan your purchases and select the appropriate used components for your car, it is advisable to consult a guide describing a strategy for sourcing parts from a single location – practical tips can be found in the article Comprehensive Sourcing: From Engine to the Smallest Clip.