Mercedes W166 Brake Servo Booster Master Cylinder Module A1664301330

Brake booster with master brake cylinder module for Mercedes W166 is an original brake system component designed for SUV models of this series. As part of the Brake Boosters and Force Correctors group, it is responsible for effectively assisting the pressure applied to the pedal and ensuring stable operation of the brake hydraulics. A used OEM component allows for a technically correct repair or replacement without altering the system's construction.

Specifications and technical data

• SKU: rhd-A1664301130-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1664301130
• Substitutable numbers: A1664301130, A 166 430 11 30, A1664301330, A 166 430 13 30, A0009059203, A 000 905 92 03, A 166 430 01 01, A1664300101, A 166 430 02 01, A1664300201, A 166 430 01 02, A1664300102
• Category: Brake Servos

Purpose and Function in the Braking System

The brake booster integrated with the master cylinder in the Mercedes W166 is responsible for amplifying the force the driver applies to the brake pedal and for precise pressure distribution within the brake circuits. A correctly selected module ensures:

• stable braking assistance at various driving speeds,
• repeatable, predictable pedal travel,
• adequate hydraulic circuit pressure for all wheels.

By using an original Mercedes solution, compatibility with the vehicle's factory brake system architecture, including the vehicle's safety systems, is maintained.

Benefits of Using an Original Mercedes Module

Choosing an original Mercedes brake booster and force corrector means maintaining the performance parameters intended by the vehicle manufacturer. In practice, this translates to:

• correct interaction with the hydraulic system and electronic control,
• appropriately selected brake pedal assist characteristics,
• maintenance of the factory braking force balance between axles.

A used OEM part is a good solution for professional repairs when technical consistency with other brake system components is important.

Condition, Verification, and Matching by Numbers

The module is offered as a used part, allowing for an economical repair that is also consistent with the vehicle's design. Before installation, it is recommended to verify compatibility by part number and interchangeable numbers to match the booster and cylinder to the specific engine and equipment version of the W166 model.

If you want to learn more about methods for selecting components by manufacturer's designations and avoid mistakes in online purchases, the guide on verifying part compatibility by OEM numbers will be helpful, as it also includes examples for the Mercedes brand.

Operation and Care of a Used Braking System

A correctly selected booster with a master cylinder requires regular maintenance of the entire braking system – especially checking for leaks in the lines, the condition of the brake fluid, and friction components. Proper operation can extend the trouble-free working life, even for components from disassembly. Practical tips for maintaining and using such components can be found in the article How to Extend the Lifespan of Used Car Parts?.

If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and need other parts from the same group, such as boosters, brake force correctors, or related assist modules, check the available parts in the Mercedes Brake Boosters and Force Correctors category.