Brake Servo Mercedes W169 W245 Master Cylinder Unit A1694301430

Brake Servo Mercedes W169 W245 Master Cylinder Unit is an original brake system component designed for Mercedes compact class models. It ensures stable conversion of brake pedal pressure into system pressure, which translates into predictable, safe, and comfortable braking. This solution is dedicated to users who expect factory compatibility and consistency with the vehicle's design.

Specifications and technical data

• SKU: A1694301430-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1694301430
• Substitutable numbers: A1694301430, A 169 430 14 30, KD
• Category: Brake Servos

Purpose and function in the brake system

The presented brake servo integrated with the master cylinder unit acts as a key assistance element in the hydraulic-vacuum brake system of the Mercedes. It is responsible for:

• amplifying the driver's foot pressure on the brake pedal,
• stable dosing of pressure in the brake lines,
• maintaining repeatable braking characteristics under typical road conditions.

Thanks to the factory fit for the W169/W245 platform, the system maintains the correct pedal geometry, and the braking response remains predictable and consistent with the manufacturer's specifications.

Advantages of using an original Mercedes servo

Using an original component from the Brake servos and pressure regulators group allows for maintaining system performance parameters in accordance with factory specifications. Key benefits include:

• Full structural compatibility with the mounts, pedal lever, and vacuum system of the given body model.
• Consistent assistance characteristics, which facilitates precise dosing of braking force in city traffic and on the highway.
• Reduction of the risk of incorrect pedal travel or uneven brake operation resulting from the use of parts with different specifications.

For workshops and users, this means simpler component selection, fewer potential modifications, and maintaining predictable vehicle behavior during heavy braking.

Performance and installation characteristics

The element has been designed as a unit for installation in the factory location, maintaining the original system geometry. In practice, this translates into:

• the possibility of using standard service procedures provided for the given model,
• correct positioning relative to the bulkhead and brake pedal,
• maintaining proper cooperation with the existing vacuum installation and hydraulic system.

The used component allows for economical repair while maintaining the original design of the brake system, which is particularly important in vehicles used intensively or with higher mileage.

Operational safety and part selection

For components responsible for braking, it is crucial to use parts with parameters consistent with the manufacturer's design. Choosing an original servo with a master cylinder for a Mercedes allows for maintaining:

• stable operating pressure in the brake circuits,
• proper cooperation with brake pressure regulators and other system elements,
• consistent operation with driving safety assistance systems.

For users looking for a durable solution, this is a reasonable compromise between repair costs and maintaining the vehicle's factory properties.

Brake system expansion and maintenance of used parts

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 servos, brake pressure regulators, or related modules, check the available parts in the Mercedes brake servos and pressure regulators category.

To maximize the potential of a used brake system component, it is worth ensuring proper installation, regular leak checks, and monitoring the condition of the brake fluid. Practical tips on the operation and maintenance of dismantled components can be found in the article How to extend the life of used car parts?, which discusses proven methods for maintaining mechanical and hydraulic elements in good condition.