Mercedes-Benz A B Class W169 W245 Brake Servo Master Cylinder A1694300330

The Brake Servo with Brake Master Cylinder for Mercedes-Benz A-Class and B-Class W169/W245 is an original brake system component from the Mercedes group, designed for use in compact models of this brand. It is responsible for effectively boosting the force applied to the brake pedal, ensuring stable, predictable, and safe operation of the entire braking system.

Specifications and technical data

• SKU: A1694301230
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1694301230
• Substitutable numbers: A1694301230, A 169 430 12 30, A1694300330, A 169 430 03 30, A1694300202, A 169 430 02 02, EM
• Category: Brake Servos

Purpose and Function in the Braking System

The presented servo with brake master cylinder for Mercedes-Benz A/B-Class W169/W245 belongs to the category of brake servos and proportioning valves. This component is responsible for the hydraulic transfer of force from the brake pedal to the brake circuits and for vacuum assistance, which reduces the driver's effort during braking.

A properly selected servo with a brake master cylinder is crucial for:

• stable pressure in the brake circuits,
• repeatable brake pedal response,
• maintaining factory braking force characteristics,
• correct interaction with the vehicle's ABS/ESP systems.

Original Origin and Compatibility

The offered component comes from the Mercedes-Benz OE line, meaning it is a part designed according to the vehicle manufacturer's factory specifications. This ensures:

• correct mounting points to the bulkhead and brake pedal,
• proper geometry of the lever and master cylinder piston,
• compatibility with factory brake lines and connectors.

An original servo with a brake master cylinder is particularly recommended for repairs of vehicles equipped with advanced stability control systems, where precise interaction of all components directly impacts safety.

Performance Characteristics of a Used Part

The product is in the used parts category, allowing for economical repair of the braking system while maintaining original construction. In practice, this means:

• lower cost compared to a new OE element,
• retention of factory operating parameters for the servo and pump,
• possibility of direct installation in place of the worn component.

To maximize the potential of such a component, it is worth consulting the guide how to extend the lifespan of used car parts, which describes practical methods for maintaining and operating dismantled components.

Benefits of Using an Original Brake Servo

Using an original servo with a brake master cylinder in the Mercedes-Benz A/B-Class W169/W245 brings a number of tangible benefits:

• Factory Fit – no need for modifications, drilling, or adapter brackets.
• System Cohesion – maintained brake pedal characteristics and interaction with vehicle electronics.
• Stable Braking Performance – predictable vehicle response in emergency situations.
• Optimal Cost-to-Quality Ratio – a used OE part offers a sensible compromise between price and durability.

If you are considering a more extensive repair or vehicle upgrade, the article used original Mercedes parts from dismantling, which describes the advantages of using OE components in this brand's cars, may also be helpful.

Summary and Practical Application

The Brake Servo with Brake Master Cylinder for Mercedes-Benz A-Class and B-Class W169/W245 is a solution for users who expect to maintain factory braking characteristics while optimizing repair costs. The original design from the Mercedes group ensures proper fit to the braking system and compatibility with other vehicle components.

By choosing this component from the brake servos and proportioning valves category, you receive a part ready for installation in place of the worn element, allowing you to restore proper brake system function and maintain safe, predictable vehicle behavior on the road.