Mercedes W163 Rear Bench Shock Absorber Strut A1639200210

Mercedes W163 Rear Bench Shock Absorber Strut is an original component of the rear seat adjustment mechanism, designed for installation in the rear part of the vehicle body. It ensures precise control over the seat position, which translates into convenient folding and adjustment of the backrest as well as stable mounting of the bench seat. Thanks to the factory design dedicated to this model, the strut maintains the correct operating geometry and supports trouble-free operation of the vehicle's interior.

Specifications and technical data

• SKU: A1639200210
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1639200210
• Substitutable numbers: A1639200210, A 163 920 02 10, A 163 920 06 10, A1639200610
• Location on the vehicle: Rear
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the rear bench shock absorber strut

The rear bench shock absorber strut in the Mercedes W163 model is responsible for the controlled movement of the rear seat elements in the rear of the vehicle. Its task is to support the folding and adjustment mechanism so that the movement is smooth, without jamming or excessive play. A properly functioning strut facilitates daily use of the luggage space and quick adjustment of the interior configuration to current needs.

Thanks to a design tailored to the specific body platform, this component works with factory hinges, guides, and locks, maintaining the correct position of the bench seat while driving. This is especially important in situations where you frequently fold the backrest, transport loads, or use different settings for the rear part of the cabin.

Benefits of using an original shock absorber strut

Using an original rear bench shock absorber strut in a Mercedes W163 allows you to maintain the factory operating parameters of the mechanism. This means:

• consistency with the rear bench seat structure and mounting points in the body,
• appropriately selected operating force, matched to the weight and geometry of the seat,
• stable maintenance of the bench seat position during driving and braking,
• reduced risk of overloading other elements of the adjustment mechanism.

For the user, this translates into more predictable behavior of the bench seat, easier operation, and a reduction in unwanted noises resulting from play or improper closing. Choosing a dedicated component is particularly important in vehicles where the rear bench seat frequently changes position.

Technical aspect and vehicle fitment

The strut has been designed to work in the rear zone of the interior, where it is exposed to variable loads, frequent folding cycles, and temperature changes. The design provided by the vehicle manufacturer ensures adequate durability and compatibility with the factory mounting system. As a result, installation is straightforward, without the need for body modifications or interference with other sub-assemblies.

This element is part of the system responsible for the ergonomics of the rear cabin, which is why its proper operation affects passenger comfort and the functionality of the luggage space. Replacing a worn-out strut with the correct component allows for the restoration of the original operating characteristics of the mechanism, which is important from both a utility and maintenance point of view.

Practical application in daily use

In vehicles used by families or for transporting loads, the rear bench seat is one of the most heavily used interior elements. A functional strut facilitates:

• quick folding of the backrest to increase luggage space,
• convenient adjustment of the bench seat position depending on the number of passengers,
• maintaining seat stability under full load,
• limiting excessive vibrations and unwanted movements of the structure.

Thanks to this, the Mercedes W163 Rear Bench Shock Absorber Strut is an important element affecting the functionality of the rear cabin, especially in cars used intensively on a daily basis.

If you are planning a comprehensive repair or modernization of the rear interior zone in your Mercedes and need other elements from the same group, such as backrest adjustment mechanisms, seat guides, or additional bench seat mounts, check the available parts in the Other Mercedes category.

Technical support and knowledge of interior systems

When selecting elements related to seat and bench mechanisms, it is worth paying attention to the design of the entire interior system and its connections with other sub-assemblies. For those interested in a broader view of the design differences between individual model versions, drive systems, and suspension, an article comparing sports variants with standard versions may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?. Although it concerns a different brand, it clearly shows how manufacturers differentiate components depending on the vehicle's purpose.