Mercedes W203 CL203 Rear Left N/S Wheel Brake Caliper 36/278 A0034237498

Mercedes W203 CL203 Rear Left N/S Wheel Brake Caliper is an original brake system component designed for installation on the rear left axle of vehicles in this series. This used brake caliper from the Mercedes factory production line ensures a proper fit with the hub, disc, and brake pads, which translates into stable brake system performance. It is a solution for users who want to maintain the OEM design while optimizing service costs.

Specifications and technical data

• SKU: A0034237498
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0034237498
• Substitutable numbers: A0034237498, A 003 423 74 98, BG
• Location on the vehicle: Rear, Left
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented brake caliper is designed to operate on the rear left side of the vehicle, which is important for both mounting geometry and the routing of the brake line and auxiliary cables. Proper placement on the vehicle reduces the risk of incorrect installation, facilitates the mechanic's work, and allows for maintaining the factory braking characteristics of the rear axle.

The component belongs to the Brake calipers and brackets group, meaning it works directly with the disc, pads, and mounting elements, responsible for evenly pressing the friction linings against the working surface.

Benefits of using an original Mercedes brake caliper

Choosing an original brake caliper from the Mercedes W203 / CL203 series primarily offers:

• factory fitment to the steering knuckle and hub, without the need for mounting modifications,
• maintenance of the brake system performance characteristics intended by the manufacturer,
• consistency with other rear axle components, such as discs and pads,
• the possibility of economical repair through the use of a proven used part.

For many users, it is also important that the original brake caliper facilitates subsequent diagnostics and service, as the operating parameters are consistent with the vehicle manufacturer's documentation.

Characteristics of the used product

The offered brake caliper is an aftermarket component, which allows for a significant reduction in repair costs compared to a new OEM part. The used component, sourced from dismantling, is frequently chosen by workshops specializing in Mercedes vehicle maintenance, especially where a reasonable balance between price and functionality is required.

Before installation, a standard service procedure is recommended: checking the condition of working surfaces, lines, and guide pins, as well as bleeding the system after installation. This approach allows for fully utilizing the part's potential and ensuring stable brake operation in daily use.

Selection, compatibility, and technical support

When selecting a brake caliper for a specific body and engine version, it is worth paying attention to compatibility with the brake system used factory-installed in the given unit. Manufacturer markings, catalog numbers, and information about placement on the vehicle are helpful, as they facilitate unambiguous identification of the part in service catalogs and selection systems.

To better understand how to safely use the secondary market for brake repairs, it is worth consulting expert material. Practical tips regarding the selection and operation of used components can be found in the article Brake calipers under the microscope: How to effectively reduce brake system repair costs by choosing proven recycled parts, which discusses, among other things, safety issues, cost-effectiveness, and criteria for assessing technical condition.

Expanding the brake system in your Mercedes

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, mounting brackets, or guide supports, check out the available parts in the Mercedes brake calipers and brackets category.

This approach allows you to maintain the consistency of the components used, facilitates future service, and helps maintain the predictable, stable operation of the entire brake system in your vehicle.