Brake Servo Mercedes W176 W246 Booster Expansion Tank Cover Cap A2464300330

The Mercedes W176 W246 Brake Servo Power Booster is an original brake system component designed for A-Class and B-Class models, ensuring stable brake force assistance. This used Mercedes group servo is a solution for workshops and drivers seeking a factory fit, predictable system operation, and a favorable price compared to a new part. By maintaining OE specifications, this component helps preserve the proper safety and comfort parameters of your drive.

Specifications and technical data

• SKU: A2464300930
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2464300930
• Substitutable numbers: A2464300930, A 246 430 09 30, A2464301330, A 246 430 13 30, A2464300401, A 246 430 04 01, A2464300302, A 246 430 03 02, BG
• Category: Brake Servos

Purpose and Function in the Braking System

The brake servo is responsible for amplifying the pressure applied to the brake pedal, allowing the driver to effectively reduce speed with moderate effort. In Mercedes W176 and W246 vehicles, it is integrated with the vacuum system and brake hydraulics, which translates to:

• more linear brake pedal response,
• stable brake force delivery across the entire speed range,
• increased vehicle control in emergency situations.

By maintaining factory parameters, the servo works in conjunction with the vehicle's safety systems, such as ABS and stability control systems, supporting their proper functioning.

Original Origin and Mounting Compatibility

The offered servo comes from the Mercedes line, meaning it is a part designed according to the vehicle manufacturer's requirements. Using an original component ensures:

• factory mounting points and correct geometry relative to the brake pedal and master cylinder,
• appropriate boost characteristics tailored to the weight and nature of the W176/W246 models,
• easier installation in workshop conditions without the need for modifications.

For certainty in selection, you can refer to OEM markings and available replacement numbers, which facilitates compatibility verification with a specific engine version and model year of the vehicle.

Characteristics of a Used Part

The brake servo is a mechanical component with a relatively long lifespan, making a used unit a sensible economic choice while maintaining an adequate safety margin. In practice, this means:

• the possibility of restoring proper brake pedal travel and firmness in cars exhibiting signs of reduced assistance,
• reduced repair costs compared to purchasing a new OE part,
• preservation of the original brake system design without the use of aftermarket parts with uncertain parameters.

To maximize the potential of such a component, it is advisable to adhere to the principles of correct installation, system bleeding, and periodic inspection of vacuum line seals.

Operation, Maintenance, and Part Selection

A correctly selected and installed brake servo has a direct impact on driving safety, making it crucial to verify compatibility based on manufacturer markings and vehicle parameters. During the purchase and installation process, it is worth paying attention to:

• selection by OEM number and reference numbers,
• the condition of vacuum nipples and seals at the brake master cylinder,
• correct adjustment of the linkage relative to the brake pedal.

Practical tips on how to care for salvaged components can be found in the article How to Extend the Lifespan of Used Car Parts, which describes methods for maintaining mechanical components and their impact on the durability of the entire system.

If you want to go through the process of safely purchasing parts from the secondary market step by step, the guide Safe Online Purchase of Used Car Parts – A Step-by-Step Guide will be helpful. It discusses, among other things, selection by manufacturer markings, seller verification, and application examples in various component categories.

Summary of Brake Servo Application for Mercedes W176 W246

The Mercedes W176 W246 Brake Servo Power Booster is a technically matched brake system component designed to restore proper assistance in A-Class and B-Class vehicles. Its original origin, compatibility with the factory design, and favorable cost-to-repair-effect ratio make it an attractive proposition for both professional workshops and individual users seeking a proven solution.