Brake Caliper Mercedes W176 W246 Rear Right O/S A0004232481

Visual condition of the part 

The product shows signs of use visible in the photos. 

Brake Caliper Mercedes W176 W246 Rear Right O/S is an original brake system component from the Brake calipers and brackets group, designed for installation on the rear right axle of the vehicle. Thanks to its factory design, Mercedes ensures proper brake pad guidance, stable piston operation, and predictable braking system behavior. It is a practical solution for users looking for a proven, used component instead of unreliable aftermarket replacements.

Specifications and technical data

• SKU: A0004232481
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004232481
• Substitutable numbers: A0004232481, A 000 423 24 81, A1729060300, A 172 906 03 00
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and fitment

The presented caliper has been designed specifically for Mercedes compact class models of the W176 and W246 series, taking into account the suspension geometry and the characteristics of the factory braking system. The placement on the vehicle is the rear right side, which means that the body construction, mounting to the steering knuckle, and the position of the bleeder screw and brake line connection are optimized specifically for this location.

By using an original caliper, compatibility with factory parameters for braking force, pressure distribution, and electronic stability control system operation is maintained. This is particularly important in modern Mercedes vehicles, where the braking system interacts with electronic safety systems.

Construction and technical function

The brake caliper is responsible for converting hydraulic pressure into the force that presses the pads against the disc, which is why the following are crucial:

• a stable housing ensuring rigidity during braking,
• guide pins allowing the caliper to move evenly relative to the disc,
• a piston working with the vehicle's hydraulic system,
• mounting points matched to the steering knuckle and carrier in the given model.

The original Mercedes caliper maintains factory manufacturing tolerances, which translates into even pad wear, predictable response to brake pedal pressure, and correct cooperation with the rear brake disc. A used component allows for an economical repair while maintaining the design intended by the manufacturer.

Benefits of using an original Mercedes caliper

Choosing this brake caliper for a Mercedes W176 or W246 offers a number of practical advantages:

• Factory fitment – maintaining the original geometry of the braking system and compatibility with other rear axle components.
• Consistency with safety systems – correct cooperation with ABS, ESP, and other braking assistance systems, resulting from the use of a component compliant with the manufacturer's design.
• Economical repair – a used caliper allows for reduced service costs while maintaining OEM construction.
• Easier diagnostics – mechanics familiar with Mercedes factory solutions can more quickly assess the condition and correctness of the installation of such a component.

Professional installation and operation

To fully utilize the potential of this caliper, installation in a specialized service center is recommended, following the vehicle manufacturer's procedures. In practice, this means, among other things:

• checking the condition of the brake discs and pads on the rear right axle,
• inspecting the brake line and the tightness of connections,
• properly bleeding the system after replacement,
• verifying the caliper's operation during a test drive.

Such an approach allows for restoring proper braking efficiency and ensuring stable vehicle behavior in emergency situations. A used caliper, after correct installation and verification, can successfully perform in daily operation, providing a solid base for further brake system maintenance.

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 elements, check the available parts in the Mercedes brake calipers and brackets category.

To better assess the condition and safety of used brake system elements, such as discs, calipers, or ABS components, it is worth using the practical tips contained in the article Second-hand brake system: how to safely choose discs, calipers, and ABS?, which serves as a helpful checklist when purchasing this type of part.