Mercedes W447 Brake Caliper Housing Carrier Rear Right O/S A4474200783

Mercedes W447 Brake Caliper Housing Carrier Rear Right O/S is an original brake system component from the Brake Calipers and Carriers group, designed for installation on the rear right axle of the vehicle. This used caliper provides a functional service solution for drivers looking to restore proper brake performance while maintaining the factory design. It is a practical choice for maintenance repairs in Mercedes vehicles.

Specifications and technical data

• SKU: A4474200783
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4474200783
• Substitutable numbers: A4474200783, A 447 420 07 83
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is designed for operation on the rear right axle, which is crucial for both correct installation and even distribution of braking force. Proper fitment to the specific side of the vehicle reduces the risk of brake system geometry issues and facilitates future servicing.

The component belongs to the structural group responsible for generating the clamping force of the pads against the disc, which is why its correct selection based on the vehicle model and version is key to stable, repeatable braking in daily operation.

Technical and functional characteristics

The brake caliper from this series has been developed to work with the factory Mercedes hydraulic system, ensuring compatibility with lines, the carrier, and other rear axle components. The design, intended for operation in demanding road conditions, allows for efficient heat dissipation from the disc and pad area, which promotes braking force stability during repetitive braking cycles.

As a used part, the caliper is a good service solution in situations where the existing component has suffered mechanical wear or operational damage, and the priority is to maintain the original architecture of the brake system. Proper fitment to the specific W447 model minimizes the need for modifications and allows for installation in accordance with factory procedures.

Benefits of using an original caliper

Using an original caliper in a Mercedes W447 vehicle allows for maintaining the structural integrity of the entire brake system. The main advantages of this solution include:

• preservation of factory mounting points and system geometry,
• predictable behavior during emergency braking and under heavy load conditions,
• easier diagnostics and future service due to compliance with manufacturer documentation.

For users who value technical consistency and want to avoid issues with fitting aftermarket parts, choosing an original caliper from this series is a practical and rational solution from a service perspective.

Selection, installation, and operational safety

Before installation, it is recommended to verify the compatibility of the caliper with the specific vehicle version and to check other brake system components, such as discs, pads, or lines. A correctly selected and installed caliper on the rear right axle supports even pad wear and stable brake operation across the entire load range.

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 Carriers category.

For users who want to deepen their knowledge on the safe selection of used brake components, the following guide will be helpful: Second-hand brake system: how to safely choose discs, calipers, and ABS?. The article contains a practical checklist that facilitates the assessment of component condition before purchase and installation.

Summary

Mercedes W447 Brake Caliper Housing Carrier Rear Right O/S is an original, used component from the Brake Calipers and Carriers group, designed for operation on the rear right axle of the vehicle. It provides a functional solution for brake system repairs when the priority is to maintain the factory design and compatibility with other Mercedes components. A properly selected and installed caliper supports stable, predictable braking and the correct operation of the entire system in daily use.