Mercedes ML W164 W251 Handbrake Parking Foot Brake Pedal A1644201384

The Mercedes ML W164 / W251 Foot Parking Brake Lever is an original component of the braking system, designed for operating the parking brake via a pedal on the floor. This component, originating from a Mercedes vehicle, ensures precise force transfer from the pedal to the brake mechanism, resulting in stable immobilization of the car when parked.

Specifications and technical data

• SKU: rhd-A1644201384
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1644201384
• Substitutable numbers: A1644201384, A 164 420 13 84
• Category: Handbrake Levers

Purpose and Function in the Vehicle

The presented foot parking brake lever is used in Mercedes ML W164 generation models and in R-Class W251 vehicles where the handbrake is operated by a foot pedal. This element is responsible for the mechanical engagement of the parking brake, working in conjunction with the cables and the drum mechanism in the rear wheels.

A properly functioning parking brake lever is crucial for parking safety, especially on inclines, when towing a trailer, or during extended vehicle immobilization. Replacing a worn or damaged lever restores the correct pedal travel, appropriate engagement force, and repeatable operation of the system.

Construction and Technical Characteristics

The lever belongs to the category of Handbrake Levers and is a complete foot parking brake pedal module mounted in the floor area on the driver's side. The construction is based on a steel body with a ratchet mechanism and return springs, which are responsible for maintaining the pedal's position after engaging the brake and releasing it after disengaging.

The solution used by the vehicle manufacturer ensures:

• stable pedal movement throughout its operating range,
• appropriately selected pressure force characteristics,
• the ability to repeatedly engage the brake without losing the effectiveness of the ratchet mechanism.

As an original part, the lever is designed to work with the factory parking brake system in the Mercedes ML W164 and W251, minimizing the risk of fitment issues or incorrect pedal geometry.

Condition, Application, and Benefits of Installation

The offered lever comes from a used vehicle, allowing for an economical replacement while maintaining factory design and compatibility with the braking system. This is a practical solution for situations where the vehicle exhibits symptoms such as irregular pedal travel, problems maintaining the parking brake position, or mechanical damage to the lever body.

Replacing it with an original foot parking brake pedal module allows you to:

• restore proper parking brake operation,
• maintain conformity with factory mounting points in the body,
• avoid modifications to the mechanical installation in the driver's cabin.

For workshops and private users, this means reduced installation time and a lower risk of complaints related to improper parking brake pedal operation.

Part Selection and Technical Support

To correctly select the parking brake lever for a specific version of the Mercedes ML W164 or W251, it is advisable to verify compatibility with the vehicle's documentation and the existing braking system. The product features manufacturer markings and reference numbers that facilitate identification and matching to a specific car instance.

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other parts from the same group, such as pedals, ratchet mechanisms, or complete parking brake control modules, check the available parts in the category Mercedes Handbrake Levers.

For users interested in a broader approach to selecting used components for a car, including elements affecting vehicle handling and stability, the advisory article Stock vs. Sport Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts? may be helpful, discussing practical aspects of choosing used parts in the context of safety and cost-effectiveness.