Brake Disc Mercedes W205 X253 Wheel Brake Rear Left Right N/O/S Set A0004230712

Brake Disc Mercedes W205 X253 Wheel Brake Rear Left Right N/O/S Set is an original set of braking system components designed for the rear axle, prepared for installation on the left and right sides of the vehicle. This solution allows for maintaining consistent brake performance parameters on both wheels, which translates into stable handling and predictable vehicle behavior during braking. Choosing original Mercedes brake discs is a conscious investment in safety and compliance with the vehicle's factory specifications.

Specifications and technical data

• SKU: A0004230712
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004230712
• Substitutable numbers: A0004230712, A 000 423 07 12
• Location on the vehicle: Rear, Right, Left
• Category: Brake Disc Rotors

Purpose and vehicle placement

The presented set is designed for installation on the rear axle, with dedicated placement for the left and right sides. This solution ensures:

• uniform operating conditions for the braking system on both rear wheels,
• proper interaction with calipers and pads intended for the specific model,
• preservation of factory geometry and braking characteristics in Mercedes vehicles.

Thanks to precise matching to the specific axle and sides of the vehicle, the set supports driving stability during intense braking and improves comfort in daily use.

Technical characteristics of the brake disc set

The set includes two rear brake discs – left and right – belonging to the Brake discs category. Using an original Mercedes solution means:

• maintaining the appropriate working thickness and friction surface matched to the vehicle's weight and performance,
• compatibility with factory safety systems, such as ABS or electronic stability control systems,
• material consistency with other braking system components specified by the manufacturer.

A set configured in this way helps reduce the risk of uneven wear and vibrations on the brake pedal, which is important for both safety and driver comfort.

Benefits of using original Mercedes brake discs

Choosing an original rear axle disc set brings a number of practical advantages:

• Factory fitment – the discs are designed with specific Mercedes models in mind, which facilitates installation and minimizes the risk of compatibility issues.
• Consistent system operation – the set for the left and right side ensures even braking, which is particularly important during sudden maneuvers.
• Optimal cooperation with brake pads – a properly selected friction surface promotes predictable wear and stable braking parameters.

For users expecting predictable vehicle behavior and compliance with the manufacturer's standards, such a set is a reasonable, technically sound choice.

Condition of components and practical application

The offered set comes from the used parts group, which allows combining access to original components with a favorable cost level. In practice, this means the possibility of restoring the proper operation of the rear braking system without having to resort to replacements with uncertain parameters. For workshops and individual users, this is a solution that facilitates maintaining the vehicle in good technical condition while preserving factory braking characteristics.

Selection support and additional materials

When choosing used braking system components, it is worth following proven verification procedures. Detailed tips on how to safely select discs, calipers, and ABS system elements can be found in the article: Second-hand braking system: how to safely select discs, calipers, and ABS?. This is a practical checklist that helps assess the condition of components and make an informed purchasing decision.

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