Mercedes W204 Front Brake Disc Wheel Brake Unit Left Right N/O/S Set A2044213612

Mercedes W204 Front Brake Disc Wheel Brake Unit Left Right N/O/S Set from the Mercedes W204 Front Brake Disc Wheel Brake Unit Left Right N/O/S Set is an original braking system component designed for installation on the front axle, on both the left and right sides. The product comes from disassembly, which allows for an economical yet technically correct replacement of worn parts in Mercedes vehicles. Using a factory component ensures proper cooperation with the calipers, hub, and the vehicle's safety systems.

Specifications and technical data

• SKU: A2044213612-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044213612
• Substitutable numbers: A2044213612, A 204 421 36 12
• Location on the vehicle: Front, Left, Right
• Part type: Brake Disc Rotor
• Category: Brake Disc Rotors

Purpose and function in the braking system

The set of discs from the Mercedes W204 Front Brake Disc Wheel Brake Unit Left Right N/O/S Set operates on the front axle of the vehicle, covering both the left and right sides. It is responsible for the effective dissipation of thermal energy generated during braking and the stable transfer of forces from the brake pads to the wheel. Properly selected discs are crucial for maintaining uniform braking force, shortening stopping distances, and maintaining predictable vehicle behavior in emergency situations.

Compatibility and fitment for Mercedes W204

The offered set has been designed for the Mercedes W204 platform, which means it is properly matched to the geometry of the steering knuckles, calipers, and hubs used in this model. Using an original solution allows for maintaining the factory operating parameters of the braking system without the need to modify other components. As a result, installation is predictable, and the risk of issues such as disc runout or uneven pad wear is minimized.

Performance characteristics and installation

The set includes components intended for installation on the front axle, left and right side, which facilitates the simultaneous replacement of both discs in a single service operation. Using parts from disassembly allows for the optimization of repair costs while maintaining compliance with factory specifications. The discs work with stock calipers and standard brake hydraulics, ensuring that after proper installation and system bleeding, the system regains stable operating parameters.

Why choose original Mercedes brake discs

For Mercedes-class vehicles, it is particularly important to maintain the consistency of the braking system with the factory design assumptions. Choosing original brake discs intended for a specific platform minimizes the risk of compatibility issues and facilitates diagnostics and future service. This solution is recommended both for standard operation and for more intensive vehicle use, where braking stability has a direct impact on safety.

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 discs, pads, or brake lines, check the available parts in the Mercedes brake discs category.

Safe selection of used braking system components

When choosing used brake discs, it is worth paying attention to compatibility with the specific vehicle version, the condition of the working surfaces, and the component's service history. It is good practice to combine disc replacement with an inspection of the pads, flexible hoses, and caliper operation so that the entire system functions consistently. If you want to go through the process of verifying and selecting such components step-by-step, use the advice contained in the article "Second-hand braking system: how to safely select discs, calipers, and ABS?", where you will find a practical checklist useful during purchase.