Mercedes W211 Brake Caliper Front Left N/S Bosch Wheel Brake A0034200183

Mercedes W211 Brake Caliper Front Left N/S Bosch Wheel Brake is an original brake system component designed for installation on the front axle on the driver's side. Thanks to its factory Bosch design and precise fitment for the Mercedes W211 platform, it ensures stable brake system operation and proper pad alignment relative to the disc, which translates into predictable and safe braking.

Specifications and technical data

• SKU: A0034200183
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0034200183
• Substitutable numbers: A0034200183, A 003 420 01 83
• Location on the vehicle: Front, Left
• Category: Calipers & Brackets

Application and vehicle fitment

The offered caliper belongs to the Brake calipers and brackets group and is designed for installation on the front, left side of Mercedes vehicles from the W211 family. The design, prepared for a specific body platform, guarantees correct positioning relative to the hub and disc, as well as compatibility with factory mounts and the brake line.

The component has been designed as part of a disc brake system, where uniform pressure of the pads against the disc and stable piston operation are crucial. This ensures appropriate braking efficiency during daily use as well as during more dynamic driving.

Construction and technical characteristics

The Bosch front left brake caliper for the Mercedes W211 utilizes a classic, proven hydraulic design. The guide and housing system has been optimized for even distribution of braking forces on the front axle, which reduces uneven pad wear and minimizes the risk of the vehicle pulling during braking.

The most important design features include:

• dedicated mounting to the steering knuckle on the left side of the front axle,
• hydraulic piston mechanism working with the factory brake master cylinder,
• housing adapted to operate at high temperatures generated during intensive braking,
• geometry adjusted to standard brake discs and pads used in the Mercedes W211.

A caliper configured in this way allows for maintaining the factory parameters of the brake system, which is particularly important in premium class vehicles, where repeatability and predictability of the brake pedal response are essential.

Benefits of using an original used caliper

Choosing an original, used brake caliper for a Mercedes W211 is a solution that allows you to combine cost control with maintaining the proper operating parameters of the system. The OEM component is designed for a specific model, thanks to which it:

• ensures proper fitment with the hub, disc, and pads,
• maintains the factory braking force characteristics on the front axle,
• eliminates fitment issues typical of cheaper replacements.

A used caliper, after proper inspection by a mechanic and potential service (e.g., replacing seals or bleeding the system), can be a cost-effective alternative to a new part while maintaining high quality of brake system performance.

Service purpose and installation recommendations

This brake caliper is intended primarily for service applications in Mercedes W211 vehicles that have experienced symptoms such as uneven braking, overheating of one wheel, pad seizing, or brake fluid leaks around the caliper. Installation should be performed by a qualified service center, following procedures for bleeding the system and checking for leaks.

When replacing, it is recommended to simultaneously check the condition of the discs, pads, and brake lines on the same axle to maintain consistency in operating parameters and avoid differences in braking force between the left and right sides. After installation, a test drive and verification of the temperature of both front wheels are necessary, which allows for quickly detecting any potential irregularities.

Brake system expansion and additional information

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

To better plan your repair budget and consciously choose reclaimed components, it is worth familiarizing yourself with practical tips regarding the selection and operation of such components – a detailed discussion can be found in the article Brake calipers under the microscope: how to effectively reduce brake system repair costs by choosing verified reclaimed parts.