Mercedes R172 Front Brake Caliper Housing Right O/S A2074210181

Description

Mercedes R172 Front Brake Caliper Housing Right O/S is an original brake system component from the Brake calipers and brackets group, designed for installation on the right side of the front axle. It is a robust solution for users expecting stable brake performance and a precise fit for the Mercedes vehicle structure.

Specifications and technical data

• SKU: A2074210181
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2074210181
• Substitutable numbers: A2074210181, A 207 421 01 81
• Location on the vehicle: Front, Right
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is designed to operate in the front part of the brake system, on the right side. This placement means it is responsible for generating braking force on one of the key wheels of the front axle, working in conjunction with the brake disc and pads. A correctly selected caliper in this area translates into stable vehicle handling during braking, even wear of friction elements, and predictable system response in emergency situations.

Technical and construction characteristics

As a component originating from a Mercedes vehicle, the caliper is manufactured in accordance with the manufacturer’s factory standards. This ensures the maintenance of proper mounting geometry, correct piston travel, and compatibility with the brake discs and pads intended for the specific model. The caliper design ensures:

• stable guidance of the pads relative to the disc,
• appropriate clamping force across the full range of brake pedal operation,
• the ability to properly bleed the brake circuit on the front axle.

Thanks to the preservation of the original mounting specification, the component works with the factory brackets and hardware intended for the given brake system configuration.

Benefits of using an original used caliper

Choosing a used brake caliper for a Mercedes allows for significant repair cost savings while maintaining the factory operating characteristics of the system. An original component from this group provides:

• dimensional compatibility with the hub, disc, and carrier,
• predictable behavior during braking,
• easier installation due to the preservation of serial mounting points.

This solution is particularly beneficial for vehicle servicing where the priority is to maintain the original technical configuration without the need to use replacements with uncertain parameters. Cost savings while maintaining proper functionality is a real advantage in this case.

Selection, installation, and operation

Before installation, it is recommended to verify the compatibility of the caliper with the specific vehicle version, particularly regarding the type of brake system used on the front axle. A correctly selected component facilitates the mechanic’s work and shortens service time. During installation, it is worth paying attention to:

• the condition of the pad guide surfaces,
• the correct positioning of the brake line and bleeder screw,
• thorough bleeding of the circuit after installation is complete.

Regular inspection of the brake system after replacing the caliper – including the condition of the pads, discs, and lines – allows for maintaining stable braking parameters in the long term.

Technical support and additional materials

To better understand the specifics of how calipers work and the possibilities for optimizing service costs, it is worth checking out our guide: Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven recycled parts. The article discusses practical aspects of selecting original, used components and points out what to pay attention to during their installation.

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 additional calipers, carriers, or mounting brackets, check out the available parts in the Mercedes Brake calipers and brackets category.