Brake Caliper Mercedes W176 W246 Front Left Wheel N/S Brake Unit 295x28

Mercedes W176 W246 Front Left Brake Caliper 295x28 A0004216781 is a factory brake system component from the Brake Calipers and Brackets group, designed for installation on the front left axle. The original design ensures proper pad guidance, stable transfer of braking forces, and maintenance of operating parameters intended by the vehicle manufacturer. A used component allows for an economical yet technically correct repair of the brake system in Mercedes cars of the W176 and W246 series.

Specifications and technical data

• SKU: A0004216781
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004216781
• Substitutable numbers: A0004216781, A 000 421 67 81
• Location on the vehicle: Front, Left
• Category: Calipers & Brackets

Purpose and Fitment

The presented caliper is designed to operate on the front left side of the vehicle, which is crucial for the correct distribution of braking forces and compatibility with the steering knuckle mount and a 295x28 disc. The design corresponds to the standards used in Mercedes W176 and W246 models, ensuring preserved factory mounting points, geometry, and piston operating characteristics.

Original origin from the Mercedes brand signifies compliance with factory requirements regarding body rigidity, temperature resistance, and compatibility with standard brake pads and discs. This solution is particularly beneficial for repairs where maintaining original safety parameters and braking comfort is a priority.

Construction and Operating Characteristics

The caliper belongs to the Brake Calipers and Brackets group, meaning it is responsible for both pad guidance and stable mounting relative to the hub and steering knuckle. The body is designed for a 28 mm thick disc, ensuring an appropriate working clearance, even pad application, and proper heat dissipation during intensive braking.

Its placement on the front left side of the vehicle influences the routing of the brake line and bleed screw, facilitating servicing and bleeding of the system. By maintaining the original geometry, the caliper works seamlessly with the factory suspension and ABS system, without introducing undesirable changes to the operation of braking assistance systems.

Benefits of Using a Used Mercedes Caliper

Choosing a used brake caliper for a Mercedes allows for the retention of a high-quality component while reducing repair costs. An original part from the same brand typically offers better fitment than many aftermarket alternatives, resulting in:

• stable pad guidance and even pad wear,
• correct interaction with the 295x28 disc in terms of braking force and modulation,
• preservation of the factory brake pedal feel.

This solution is particularly advantageous for servicing the front axle, where thermal and mechanical loads are highest, and the caliper's quality directly impacts driving safety.

Professional Application and Component Selection

When replacing the front left caliper in a Mercedes W176 or W246, it is advisable to check the condition of the disc, pads, and brake lines to ensure the entire system operates cohesively. Selecting a component from the same construction group simplifies installation for the mechanic and minimizes the risk of compatibility issues. If you are planning a comprehensive repair or upgrade of the braking area in your Mercedes and require other parts from the same group, such as additional calipers, brackets, or guide pins, check the available parts in the Mercedes Brake Calipers and Brackets category.

Safe Purchase of a Used Brake Caliper

When choosing a used brake caliper, it is crucial to pay attention to compatibility with the vehicle model, its placement on the vehicle, and the disc parameters. Correct component selection helps avoid installation problems, uneven braking, or accelerated pad wear. To better prepare for your purchase and to review a checklist for used brake system components, it is recommended to read the guide: Second-hand Brake System: How to Safely Choose Discs, Calipers, and ABS?

Summary

Mercedes W176 W246 Front Left Brake Caliper 295x28 A0004216781 is an original component from the caliper and bracket group, designed for operation on the front left axle of the vehicle. A used component allows for a technically correct repair of the brake system while maintaining factory operating parameters, which is particularly important for the safety and predictable performance of brakes in Mercedes cars.