Mercedes SLK R171 Brake Servo Brake Master Cylinder Booster A0054306430

Brake Booster (Booster + Master Cylinder) Mercedes SLK R171 is an original brake system component designed for precise integration with the factory setup of this model. The use of a complete booster and master cylinder assembly ensures stable system pressure, predictable pedal response, and safe braking force modulation for everyday driving.

Specifications and technical data

• SKU: rhd-A0054306430
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0054306430
• Substitutable numbers: A0054306430, A 005 430 64 30
• Category: Brake Servos

Technical Characteristics and Purpose

The presented brake booster assembly with master cylinder has been specifically designed for the braking system of the Mercedes SLK R171 generation roadster. As a component from the boosters and brake force regulators category, it is responsible for assisting pedal pressure and ensuring proper pressure distribution between the brake circuits.

The original manufacturer's design guarantees:

• correct booster characteristics across the full load range,
• compatibility with the factory brake system calibration,
• proper fitment for mounting points, lines, and accessories in the engine bay.

Benefits of Using an Original Booster with Master Cylinder

Installing a complete booster + master cylinder assembly in a Mercedes SLK R171 allows for the restoration of factory braking system parameters without the need for aftermarket part adaptation. This solution is particularly beneficial when:

• the brake pedal has become too stiff or has a non-linear response,
• there are issues maintaining consistent system pressure,
• the braking system is not performing evenly after previous repairs.

By preserving the original geometry and operating parameters, the driver benefits from consistent pedal feedback and predictable vehicle behavior during emergency braking and everyday driving.

Component Condition and Installation Aspects

The offered assembly is from the used OEM parts category, meaning it is a factory component from a dismantled vehicle, not an inexpensive aftermarket replacement with unknown characteristics. This type of solution is often chosen by workshops specializing in the Mercedes brand when maintaining consistency with the vehicle's original specifications is a priority.

In practice, installing a complete booster with a master cylinder allows for:

• minimizing the risk of leaks at the booster-master cylinder connection,
• reducing the time required for fitting and adjustment,
• maintaining the braking system in a configuration consistent with the factory design.

Safety, Diagnostics, and Part Selection

The braking system is one of the key safety systems, therefore, selecting the correct booster and master cylinder should be preceded by thorough diagnostics. It is worth paying attention to:

• the integrity of the vacuum system connected to the booster,
• the condition of the brake lines and flexible connections,
• proper bleeding after installation and checking pedal travel.

If you are planning a comprehensive vehicle service, including the braking system, air conditioning, and heating, our guide may be helpful: selection and maintenance of used OEM components for year-round comfort and safety.

Summary

Brake booster with master cylinder for Mercedes SLK R171 is a technically matched, original component from the boosters and brake force regulators category, intended for users who value consistency with factory specifications. Choosing a used OEM component allows for maintaining the braking characteristics intended by the manufacturer, which translates to stable vehicle handling and reliable system operation in emergency situations.