Brake Caliper Mercedes W209 Front Right Wheel O/S Brake Unit 300X28

Brake Caliper Mercedes W209 Front Right Wheel O/S Brake Unit 300X28 is an original braking system component designed for installation on the front right axle of the vehicle. This used caliper from this series ensures factory mounting geometry, proper compatibility with the brake disc of the correct diameter and thickness, and stable brake pad guidance, which translates into predictable and safe braking. This is a solution for users who want to maintain the manufacturer's design while optimizing service costs by using tested, salvaged parts.

Specifications and technical data

• SKU: A0034202883
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0034202883
• Substitutable numbers: A0034202883, A 003 420 28 83, BG
• Location on the vehicle: Front, Right
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is a braking system component mounted on the front right side of the vehicle. Its design is matched to a brake disc of a specific diameter and thickness, which guarantees correct pad positioning and even distribution of braking force on this axle. Using the correct caliper in this position is crucial for vehicle stability during intense braking, especially at higher speeds or in emergency situations.

Design and function in the braking system

The caliper from the Brake calipers and brackets category is responsible for pressing the brake pads against the working surface of the disc, converting hydraulic pressure from the brake master cylinder into mechanical force. The appropriate rigidity of the body and precise guidance of moving parts limit phenomena such as uneven pad wear or vibrations during braking. A properly selected caliper helps maintain:

• stable braking force on the right side of the front axle,
• proper cooperation with the vehicle's hydraulic system,
• even wear of the brake disc and pads.

By maintaining the manufacturer's original design, the caliper fits well into the factory operating characteristics of the braking system, which is particularly important in premium class vehicles such as Mercedes.

Benefits of using an original used caliper

Choosing a used brake caliper for a Mercedes allows you to combine cost control with maintaining the factory operating parameters of the system. An original salvaged component primarily offers:

• retention of the correct mounting spacing and compatibility with the hub and steering knuckle,
• secure fitment for a disc of the appropriate diameter and thickness,
• consistency with the factory operating characteristics of the braking system.

Such a solution is particularly beneficial for maintenance repairs when the priority is to restore proper system operation without interfering with its design. A used caliper can also be a good choice for the staged regeneration of the entire brake axle when you are planning a successive replacement of pads, discs, and lines.

Selection and safety when purchasing used brake components

When selecting a brake caliper for a specific Mercedes model, it is crucial to verify compatibility with the body version, the type of braking system, and the placement on the vehicle. It is worth paying attention to:

• compatibility with the front right side of the vehicle,
• fitment for the disc diameter and thickness used in the specific version,
• consistency with other system components (master cylinder, lines, pads).

To better prepare for purchasing a used caliper and other braking system components, you can use the practical tips included in the article Second-hand braking system: how to safely select discs, calipers, and ABS?, where you will find a checklist helpful for evaluating such parts.

Expansion and modernization of the Mercedes braking system

If you are planning a comprehensive repair or modernization of the braking zone in your Mercedes and need other components from the same group, such as additional calipers, brackets, or mounting holders, check the available parts in the Mercedes Brake calipers and brackets category.

This approach allows you to consistently renew the entire brake axle, reduce the risk of differences in the operating characteristics of individual components, and maintain the predictable behavior of the vehicle during braking in various road conditions.