Mercedes-Benz W168 1 Brake Servo Master Cylinder A0054304230

Mercedes-Benz W168 1 Brake Servo Master Cylinder is a component from the Brake servos and pressure regulators category, designed for the braking system of Mercedes W168 class vehicles. It provides stable brake force assistance, improving brake pedal feel and the precision of braking force modulation during daily operation.

Specifications and technical data

• SKU: A0054304230-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0054304230
• Substitutable numbers: A0054304230, A 0054304230, A 005 430 42 30, A0054304530 A1684300302 A0064300001, A 0054304530 A 1684300302 A 0064300001, A 005 430 45 30, A 168 430 03 02, A 006 430 00 01, EM
• Offset (ET):
• Category: Brake Servos

Purpose and function in the braking system

The brake servo master cylinder in the W168 model is responsible for increasing the force applied by the driver to the brake pedal, utilizing vacuum from the engine system. This enables effective braking with less pedal pressure, which translates into more predictable vehicle behavior in city traffic and on the road.

The component from the Brake servos and pressure regulators category is crucial for vehicle stability during emergency braking, even distribution of forces across the axles, and maintaining the proper operating characteristics of the braking system under various load conditions.

Compatibility and identification parameters

The offered servo has been designed specifically for the Mercedes W168 braking system architecture, maintaining factory mounting geometry and connections to the master cylinder and vacuum system. Using an original solution for this vehicle platform facilitates installation and reduces the risk of fitment issues.

The product has a dedicated OEM part number and associated interchangeable numbers, which allows for precise verification of compatibility with a specific vehicle equipment version. It is recommended to compare the markings with service documentation or the removed part before purchase to ensure full compatibility with the braking system.

Performance characteristics and benefits

Using the correct brake servo master cylinder in a Mercedes W168 contributes to:

• a more linear brake pedal response,
• stable assistance across a wide range of loads,
• better vehicle control during sudden braking,
• reduced driver fatigue during intensive city driving.

Selecting a component from the same design group as the factory part allows for maintaining the original operating characteristics of the system, without the need for modifications to the installation or interference with other brake components.

Condition, origin, and practical application

The brake servo master cylinder comes from a dismantled Mercedes vehicle, which ensures compliance with the factory design solutions used in the W168. This type of component is particularly useful for brake system repairs following a loss of assistance, the appearance of a hard brake pedal, or problems with maintaining constant braking force.

Replacing the servo with a functional unit from the same design group is often the most effective service solution, allowing for the restoration of proper system operation without interfering with other components.

Installation and operational recommendations

During installation, it is recommended to follow the vehicle manufacturer's service procedures, particularly regarding the bleeding of the braking system and checking the vacuum lines for leaks. After installation, it is worth performing a test drive in safe conditions to verify the brake pedal response and the evenness of the system's operation.

To extend the trouble-free service life of used braking system components, it is worth reading the practical tips on maintenance and operation of dismantled parts described in the article How to extend the life of used car parts?.

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other components from the same group, such as servos, pressure regulators, or related assistance components, check the available parts in the Mercedes brake servos and pressure regulators category.