Mercedes W177 W247 Brake Disc Rear Left Right Wheel N/O/S Sport Braking Unit

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 W247 Brake Disc Rear Left Right Wheel N/O/S Sport Braking Unit is an original set of braking system components designed for the rear axle, prepared for installation on the left and right side of the vehicle. The set comes from the Mercedes range, which ensures factory-fit compatibility with the suspension and braking system design of specific models. This is a solution for users who expect predictable brake performance and compliance with the vehicle's factory parameters.

Specifications and technical data

• SKU: A2474230312
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2474230312
• Substitutable numbers: A2474230312, A 247 423 03 12
• Location on the vehicle: Rear, Right, Left
• Category: Brake Disc Rotors

Purpose and vehicle placement

The presented set includes rear brake discs designed for installation on the left and right side of the rear axle. This arrangement ensures consistent braking system performance, even distribution of braking forces, and proper cooperation with the brake calipers and pads intended for the W177 / W247 platform.

Placement on the rear axle is crucial for vehicle stability during braking, especially at higher speeds and in emergency situations. The use of dedicated discs on both sides allows for maintaining the correct system geometry and reduces the risk of vibrations or uneven wear.

Technical characteristics and compatibility

The set of discs has been designed as a braking system component for Mercedes construction, which means compliance with factory requirements regarding diameter, working thickness, mounting method, and cooperation with stock calipers. As a result, installation is predictable, without the need for modifications or the use of adapters.

The original origin from the vehicle manufacturer's group helps maintain the correct braking characteristics, including thermal stability, resistance to overheating, and proper operation of assistance systems such as ABS or ESP. The set is suitable for users who want to maintain braking parameters close to factory specifications, without experimenting with replacements of uncertain specifications.

Condition of components and practical application

The offered set of brake discs is in used condition, which allows for an economical approach to braking system maintenance while maintaining the original origin of the parts. This type of solution is often chosen for repairs of intensively used vehicles, where a reasonable balance between cost and compliance with the factory design is important.

The set will work well both for standard replacement of worn components and for post-accident repairs, when it is necessary to restore the complete rear braking zone. Choosing original discs from the same model group reduces the risk of installation problems and facilitates workshop work.

Benefits of using original Mercedes brake discs

Using original discs in the braking system brings a number of practical benefits:

• factory fit to hubs, calipers, and pads intended for the given platform,
• consistent braking characteristics on the left and right side of the rear axle,
• predictable vehicle behavior during emergency braking,
• easier identification and selection of spare parts in the future.

For users who want to better understand how the selection of braking system components affects service costs and safety, a guide dedicated to refurbished and used components – especially calipers – will be helpful. It is worth reading the article Brake calipers under the microscope – how to reduce braking system repair costs by choosing proven recycled parts, which discusses the practical aspects of selecting such elements.

Expanding Mercedes braking system service

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.

Thanks to this, you can select a consistent set of components in one service stage, which facilitates workshop work, shortens vehicle downtime, and allows for maintaining a uniform operating characteristic of the entire braking system.