Mercedes-Benz C CLK W202 W208 Brake Booster Servo Master Cylinder A0044306130

Mercedes-Benz C CLK W202 W208 Brake Booster Servo Master Cylinder integrated with the brake master cylinder is a key component of the braking system, responsible for the stable transfer of pedal pressure into hydraulic pressure in the brake circuits. This component from the Brake Boosters and Proportioning Valves group ensures precise system operation and predictable vehicle response during braking, which translates into driving comfort and safety.

Specifications and technical data

• SKU: rhd-A0044306130
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0044306130
• Substitutable numbers: A0044306130, A 004 430 61 30, A0044309230, A 004 430 92 30, A2024300302, A 202 430 03 02, A0054308401, A 005 430 84 01, KZ
• Category: Brake Servos

Purpose and function in the braking system

The presented brake booster integrated with the master cylinder has been designed specifically for Mercedes-Benz C-Class W202 and CLK W208 models. This element is responsible for assisting the brake pedal pressure, stabilizing pressure in the circuits, and properly distributing braking force to individual wheels. As a result, the driver achieves repeatable, predictable pedal characteristics and better vehicle control in emergency situations.

Construction and technical advantages

The brake booster combined with the master cylinder forms a compact assembly that reduces the number of connections in the system and facilitates installation. This solution:

• ensures stable transfer of force from the pedal to the pressure in the hydraulic system,
• facilitates bleeding and servicing of the braking system,
• reduces the risk of leaks at the pump line connections,
• maintains consistent operating characteristics with the factory ABS/ESP system of the given model.

By maintaining the original design, the braking system retains its factory operating parameters, and the vehicle's response to pedal input remains in line with the manufacturer's specifications. This is particularly important for precise vehicle handling and during intensive braking.

Benefits of using an original Mercedes component

Using an original brake booster and master cylinder assembly instead of a worn-out component allows for restoring the proper operation of the braking system without the need for installation modifications. The most important benefits include:

• Factory fitment for mounts, lines, and accessories in the engine bay,
• preservation of the correct brake assistance characteristics,
• consistency with the vehicle's factory safety systems,
• reduction of risks associated with bleeding and system adjustment.

This solution is particularly beneficial for repairs of vehicles used daily, where reliability, repeatability of operation, and compliance with manufacturer specifications are essential.

Condition, fitment, and practical application

The offered item comes from dismantling and is intended for users who want to economically restore the efficiency of the braking system while maintaining the original vehicle specification. Before installation, it is recommended to perform a standard check of tightness, the condition of the connectors, and proper bleeding of the entire system after installation. Replacing the brake booster and master cylinder assembly is particularly recommended in the case of:

• a hard or unevenly operating brake pedal,
• a noticeable drop in braking efficiency despite good discs and pads,
• suspected leaks around the pump or the booster diaphragm.

Braking system expansion and additional information

If you are planning a comprehensive repair or upgrade of the braking zone in your Mercedes and need other elements from the same group, such as additional boosters, proportioning valves, or related assistance modules, check the available parts in the Mercedes Brake Boosters and Proportioning Valves category.

To maximize the potential of the used component and extend its trouble-free operation, it is worth checking out practical tips regarding maintenance and proper installation of dismantled parts – you can find them in the article How to extend the life of used car parts?.