Mercedes R172 AMG Caliper Brake Rear Left N/S Red Housing 330/22 A1724230581

Mercedes R172 AMG Caliper Brake Rear Left N/S Red Housing 330/22 is an original brake system component from the Brake calipers and brackets category, designed for installation on the rear left axle of Mercedes vehicles. The red finish emphasizes the sporty character of the AMG version, and the factory design ensures proper pad guidance and stable operation of the entire mechanism.

Specifications and technical data

• SKU: A1724230581
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1724230581
• Substitutable numbers: A1724230581, A 172 423 05 81
• Location on the vehicle: Rear, Left
• Color: Red
• Category: Calipers & Brackets

Purpose and function in the brake system

The presented caliper housing is dedicated to installation on the rear left side of the vehicle, where it is responsible for the stable guidance of the piston and brake pads relative to the disc. The design, intended for a disc with a specific working thickness, allows for even distribution of braking forces, which translates into predictable vehicle behavior during intensive braking.

Thanks to its factory origin from the AMG line, the correct mounting geometry and appropriate body rigidity are maintained, which limits deflection under load and promotes consistent braking force in all conditions.

Construction, color scheme, and technical aspects

The caliper housing is designed as a massive, rigid body that transfers loads from the pads to the carrier and wheel hub. The red color serves not only an aesthetic function but also facilitates visual inspection of the component's condition through the rim, which is particularly valued in cars with a sporty character.

Positioning on the rear left axle requires maintaining the correct mounting direction to ensure proper bleeding and cooperation with other brake system components. A properly selected housing minimizes the risk of uneven pad wear and unwanted vibrations during braking.

Benefits of using an original AMG caliper housing

• Factory fitment for the Mercedes R172 AMG brake system, with no need for mounting modifications.
• Rigid body construction promoting stable pad operation relative to the disc.
• Red finish emphasizing the vehicle's sporty character and improving the clarity of visual inspection.
• Ability to use existing hydraulics and hardware while maintaining compatibility with the factory configuration.

Using an original caliper housing allows for maintaining the technical integrity of the entire brake system, which is particularly important in high-performance cars where braking stability and consistency are of key importance.

Condition, verification, and part selection

The item comes from the used original parts segment, which allows for combining a favorable purchase cost with the preservation of the manufacturer's factory specifications. Before installation, a standard workshop procedure is recommended: cleaning contact surfaces, checking threads, verifying cooperation with the carrier, and assessing the condition of other brake system components on the given axle.

To better understand how to safely use used brake system components and how to optimize service costs, it is worth reading the guide: Brake calipers under the microscope: how to reduce repair costs by choosing verified recycled parts.

Expanding the Mercedes brake system

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 the available parts in the Mercedes brake calipers and brackets category.