Mercedes-Benz A-Class W168 Brake Servo Master Cylinder A0054304230

Mercedes-Benz A-Class W168 Brake Servo Master Cylinder is a component from the Brake servos and force regulators group, designed for the braking system of Mercedes vehicles. This solution allows for the restoration of proper brake assistance, ensuring stable system operation and predictable brake pedal response.

Specifications and technical data

• SKU: A0054304230
• 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, ŁS
• Category: Brake Servos

Purpose and function in the braking system

The brake servo in the A-Class W168 model is responsible for increasing the force applied to the master cylinder, allowing the driver to achieve effective braking with less pedal pressure. A properly selected servo ensures:

• stable assistance across the entire pedal travel range,
• repeatable braking characteristics,
• better vehicle control in emergency situations.

For Mercedes vehicles of this generation, the correct fitment of a component from the Brake servos and force regulators group is crucial for safety and driving comfort.

Technical characteristics and fitment

The offered component comes from a dismantled Mercedes vehicle, which means it is a part structurally compatible with the factory braking system of the A-Class W168. Using an original solution from the same model platform facilitates installation and reduces the risk of compatibility issues.

The servo works with the master cylinder as a single assembly, which allows for maintaining consistent operating characteristics of the entire system. This enables achieving:

• predictable pressure in the brake circuits,
• consistent operation with the factory ABS/ESP system (if present in the vehicle),
• easier diagnostics of potential faults in the future.

Condition, origin, and benefits of choosing a used part

The item is offered as a used part, sourced from a Mercedes vehicle. Choosing such a solution allows for a significant reduction in repair costs compared to new components, while maintaining the original design and proper fitment for the specific model.

In the case of a brake servo and master cylinder, it is particularly important that the part complies with the manufacturer's factory specifications. A used OEM component from dismantling is a reasonable compromise between price and maintaining the performance parameters of the braking system.

To maximize the potential of second-hand parts and ensure their durability, it is worth familiarizing yourself with practical tips regarding maintenance and operation. Useful information can be found in the article How to extend the life of used car parts?, which describes, among other things, best practices for dismantled components.

Installation and operational tips

Before installing the servo with the master cylinder, it is recommended that a mechanic verifies the system's tightness, the condition of the brake lines, and the correctness of the bleeding process. Properly performed replacement and brake pedal adjustment allow for achieving:

• even braking performance on all wheels,
• appropriate pedal height and firmness,
• reduced risk of air in the system after repair.

It is also worth periodically checking the condition of the brake fluid and reacting to any changes in the perceived assistance force, which allows for early detection of any irregularities.

Expansion and modernization of the Mercedes braking system

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

Summary

Mercedes-Benz A-Class W168 Brake Servo Master Cylinder is a practical solution for users who want to restore the efficiency of the braking system while maintaining the vehicle's original design. Choosing a used component from the Brake servos and force regulators group allows for optimizing repair costs while maintaining proper system performance parameters and brake handling comfort in daily use.