Front Brake Caliper Mercedes W203 R171 Right O/S Wheel Unit A0034202483

Front Brake Caliper Mercedes W203 R171 Right O/S Wheel Unit is an original brake system component designed for installation on the front right axle of Mercedes vehicles. Thanks to its factory design, it ensures proper cooperation with the brake disc and pads, stable pad guidance, and repeatable, predictable brake performance.

Specifications and technical data

• SKU: A0034202483
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0034202483
• Substitutable numbers: A0034202483, A 003 420 24 83
• Location on the vehicle: Front, Right
• Category: Calipers & Brackets

Application and fitment for Mercedes W203 / R171

The offered caliper is intended for Mercedes C-Class W203 models and the R171 roadster, for the front right side. This means that its geometry, mounting points, and pad guidance are consistent with the manufacturer's factory specifications, which facilitates installation and allows for maintaining standard braking parameters.

Thanks to the use of the original design, the brake system maintains proper stiffness, even pressure of the pads against the disc, and operational stability during intensive braking, including at higher speeds and loads typical for Mercedes vehicles.

Technical design and role in the brake system

This element from the Brake Calipers and Brackets category is responsible for converting brake fluid pressure into the clamping force of the pads against the disc. A correctly selected caliper:

• ensures axial pad guidance and even wear of the friction linings,
• maintains a stable position relative to the disc, minimizing vibration and noise,
• enables effective heat dissipation from the working area,
• works with the factory brake master cylinder and lines without the need for modifications.

By maintaining the original design specification, the caliper supports the proper operation of safety systems, such as ABS or ESP, which require predictable brake system response.

Condition, origin, and benefits of choosing a used part

The item comes from a Mercedes brand vehicle and is offered as a used part. For many users, this is a reasonable compromise between cost and quality – an original dismantled caliper retains its factory design parameters while allowing for a significant reduction in repair costs compared to a new equivalent.

Before installation, a standard service procedure is recommended: inspection of working surfaces, guides, mounting threads, and tightness, as well as replacing the brake fluid in accordance with the vehicle manufacturer's recommendations. A caliper prepared in this way can work trouble-free in daily operation, ensuring stable and predictable braking.

Why it is worth choosing an original brake caliper

Choosing an original caliper for the Mercedes W203 / R171 primarily means secure fitment and compliance with factory documentation. You avoid problems with installation, incorrect alignment relative to the disc, or the need for mounting modifications. This is particularly important in the case of components responsible for safety, where dimensional tolerances and material quality have a direct impact on braking efficiency.

An original part from the same design group as the one factory-installed in the vehicle allows for maintaining the consistency of the entire brake system, which translates into predictable car behavior during emergency braking, on wet surfaces, or under heavy load.

More about used brake calipers and Mercedes brake parts

If you want to better understand how to safely use original, used brake system components and how to reduce service costs with them, check out the practical tips in the article: Brake calipers under the microscope: how to choose used brake system components.

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 calipers, carriers, or mounting brackets, check out the available parts in the Mercedes Brake Calipers and Brackets category.

Additionally, if you are interested in the broader context of using used components in premium cars, it is worth reading the market trend analysis: used original parts for premium brands as an alternative to new components.