Mercedes ML W164 Towing Hitch Retractable Towbar Tow Bar Mechanism A1643101395

Mercedes ML W164 Towing Hitch Retractable Towbar Tow Bar Mechanism is an original hitch mechanism, designed specifically for installation in the rear of the vehicle body. Thanks to its factory design, it ensures secure trailer attachment while maintaining the aesthetics of the bumper and proper load distribution within the vehicle's rear structure. It is a practical solution for users who expect a functional yet discreet towing system.

Specifications and technical data

• SKU: A1643101395
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1643101395
• Substitutable numbers: A1643101395, A 164 310 13 95
• Location on the vehicle: Rear
• Category: Bumpers & Reinforcements

Purpose and function in the vehicle

The presented mechanism belongs to the group of components responsible for reinforcing the rear body zone and safely transferring forces during towing. It is mounted in the rear part of the vehicle, in the structural area associated with the bumper and reinforcements, which allows for a stable connection between the car and a trailer, bicycle rack, or other equipment mounted on the hitch ball.

The retractable solution allows the hitch to be hidden when not in use, which reduces the risk of accidental impacts during parking and improves ground clearance and the appearance of the rear of the car. The retractable mechanism is particularly valued by drivers who use a hitch regularly but do not want to keep the tow ball permanently exposed.

Construction of the retractable mechanism

The mechanism is based on a solid load-bearing structure, integrated with the rear of the body, and a system of joints responsible for the movement of retracting and extending the hitch. The use of a factory solution dedicated to a specific model translates into:

• proper movement of the hitch along the axis intended by the manufacturer,
• controlled positioning of the ball in working and resting modes,
• correct load transfer to the rear panel reinforcement structure.

Thanks to this, the integration with the rear bumper and reinforcements is consistent with the vehicle's design assumptions, which is important for both safety and the durability of the entire system.

Benefits of using the original mechanism

Choosing a factory-made, used towing hitch mechanism for a specific vehicle model allows you to maintain compliance with the manufacturer's design. The most important advantages include:

• Dedicated fit – the element is intended for installation in the rear body section of a given model, which limits the need for structural modifications.
• Consistency with the bumper and reinforcement system – the geometry and mounting points provided in the factory design are preserved.
• Possibility of using existing mounting points – this facilitates service work and shortens installation time.

As an element from the Bumpers and reinforcements group, this mechanism works with other components of the rear body, creating a coherent system responsible for transferring loads during towing and protecting the vehicle's structure.

Condition, installation, and practical application

The offered mechanism is a used part, which allows you to combine the functionality of an original solution with a more favorable purchase cost. Before installation, it is recommended to perform a standard verification of moving parts and mounting points to ensure the proper operation of the retractable system and safe use in daily operation.

The mechanism will work well in both recreational applications (towing a caravan, transporting bicycles on a platform) and utility applications where regular use of the hitch is required. The retractable design allows you to maintain the vehicle's functionality in city traffic, in parking lots, and in garages, without the ball permanently protruding beyond the body outline.

Expanding the rear body system in Mercedes

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

If you are considering choosing between a used factory element and a replacement and want to learn practical selection criteria, it is worth reading the guide 5 reasons why a used OEM part is a better choice than a replacement, which discusses the differences using specific examples and makes it easier to make a purchasing decision.