Brake Caliper Mercedes W164 W251 Wheel Braking Unit Rear Right O/S A0044204083

Brake Caliper Mercedes W164 W251 Wheel Braking Unit Rear Right O/S is an original braking system component from the Brake calipers and brackets group, designed for installation on the rear right axle of Mercedes vehicles. This used OEM component allows for maintaining factory braking performance, ensuring consistency with the suspension and braking system design of these models.

Specifications and technical data

• SKU: A0044204083
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0044204083
• Substitutable numbers: A0044204083, A 004 420 40 83
• Location on the vehicle: Rear, Right
• Category: Calipers & Brackets

Purpose and vehicle placement

The presented caliper is dedicated for installation on the rear right side of the vehicle, which is important both for correct part selection and the proper operation of the entire braking system. The caliper design is optimized for the suspension geometry and brake line routing in Mercedes W164 and W251 platforms, which facilitates installation and reduces the risk of leaks.

The component belongs to the Brake calipers and brackets group, which are parts responsible for generating braking force by pressing the pads against the disc. Proper matching of the caliper to the specific axle and side of the vehicle is crucial for even distribution of braking forces and vehicle stability during heavy braking.

Technical and functional characteristics

As an original caliper designed for Mercedes, the component maintains factory performance parameters, such as the piston stroke range, pad guidance method, and compatibility with standard brake discs and pads used in these models. This makes it possible to maintain predictable braking characteristics without the need to modify other system components.

A used brake caliper of this type is a good solution in situations where:

• the existing caliper has seized or suffered mechanical damage,
• there is uneven pad wear on the right side of the rear axle,
• replacement of the component is necessary after a collision or mechanical damage.

Using an original, used component allows for maintaining the structural integrity of the system, which is particularly important in premium class vehicles such as Mercedes.

Benefits of using an original, used caliper

Choosing an original Mercedes brake caliper in used condition is a reasonable compromise between repair costs and quality maintenance. This type of component:

• maintains factory fitment to the hub, disc, and control arm mounts,
• reduces the risk of compatibility issues typical of aftermarket parts with imprecise dimensions,
• allows for economical repair while maintaining a high level of safety.

For workshops and private users, this means the possibility of faster repair completion and easier diagnostics of potential faults, as the caliper's operating parameters are consistent with the vehicle manufacturer's specifications. The used condition also helps to reduce operating costs while maintaining the original design of the braking system.

Selection, installation, and technical support

When selecting a caliper for a Mercedes W164 or W251, it is crucial to pay attention to the installation side, vehicle axle, and compatibility with the specific version of the braking system. A properly selected component minimizes installation time and avoids the need for modifications to lines, mounts, or accompanying hardware.

To better understand how to safely use used braking system components and how to reduce service costs without sacrificing quality, it is worth checking out the guide: Brake calipers under the microscope: How to effectively reduce braking system repair costs by choosing verified recycled parts. The article discusses practical aspects of selection, condition verification, and operation of used calipers.

Complementary Mercedes braking system components

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

Combining a properly selected rear right caliper with other elements from this group allows for a consistent, predictable, and durable braking system, which translates into comfort and safety during daily vehicle operation.