Brake Caliper Mercedes W176 W246 Rear Left N/S A0004232381

Brake Caliper Mercedes W176 W246 Rear Left N/S is an original brake system component from the Brake calipers and brackets group, designed for installation on the rear left axle of the vehicle. The product comes from dismantling, which allows for maintaining the factory braking characteristics and proper fit to the suspension structure. This is a solution for users who want to maintain the consistency of the brake system with the factory Mercedes specification.

Specifications and technical data

• SKU: A0004232381
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004232381
• Substitutable numbers: A0004232381, A 000 423 23 81, A1729060200, A 172 906 02 00, BG
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and fitment for the brake system

The presented caliper is designed to operate on the rear left side of the vehicle, which is crucial for the correct distribution of braking forces. Proper placement on the vehicle ensures correct cooperation with the brake disc, pads, and brake line, as well as with brake assist systems such as ABS or ESP, in accordance with Mercedes' factory design assumptions.

As an original Mercedes component, the caliper retains the mounting geometry, connection points, and piston operating characteristics, which facilitates installation and minimizes the risk of compatibility issues. This is particularly important in the case of modern models, where the precision of the brake system directly affects vehicle stability and braking efficiency.

Technical characteristics and benefits of use

The rear axle brake caliper is responsible for stable, repeatable pressing of the pads against the disc, and thus for control over the vehicle during linear and emergency braking. In the case of the rear axle, it is also important to maintain appropriate brake force modulation so as not to lead to oversteer during rapid deceleration.

Choosing an original caliper from the same design group as the factory-fitted component translates into:

• maintaining the factory operating characteristics of the brake system,
• proper interaction with electronic safety systems,
• material consistency with other system components,
• easier diagnostics and service in the future.

Thanks to this solution, it is possible to restore the full functionality of the rear brake axle in a controlled manner without the need to interfere with the factory design.

Condition, origin, and practical application

The offered element is a used product, which in practice means that it comes from vehicle dismantling and has been verified for further operational suitability. Such components are often chosen by owners of premium class cars who want to maintain the original character of the vehicle while optimizing repair costs.

A brake caliper of this type will work well both for standard replacement of a worn element and for post-accident repairs, where it is crucial to restore geometry and braking efficiency to the factory level. Proper selection of the caliper for a specific model and equipment version of the vehicle is important for safety – that is why it is worth paying attention to compatibility with the brake system used in a given Mercedes.

How to safely choose a used brake caliper

When choosing a used brake caliper for a Mercedes, it is worth paying attention to several technical aspects: compatibility with the axle and mounting side, the type of brake system used, and the fit to other components (discs, pads, lines). Verifying the OEM part number and available interchangeable numbers in the product's technical specification may also be helpful.

If you want to organize the selection process and learn practical tips regarding the purchase of used brake system components, check out the guide: Second-hand brake system: how to safely choose discs, calipers, and ABS?. It is a detailed checklist that helps to assess the technical condition and fit of parts in an online store.

Expanding the Mercedes brake system upgrade

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

For drivers interested in the broader context of using used components in premium class cars, a valuable addition to knowledge will be an article describing current trends in the parts market: why used original components for premium brands are becoming an increasingly popular choice. It allows for a better understanding of when choosing a used, original brake caliper is technically justified and economically viable.