Brake Disc Set Mercedes Vito W639 Rear Left Right Wheel N/O/S 296/10

Visual condition of the part

The product shows signs of use visible in the photos.

Brake Disc Set Mercedes Vito W639 Rear Left Right Wheel is a set of original components from the Brake discs category, designed for the rear axle of the vehicle. The set includes both the left and right sides, which facilitates consistent maintenance of the braking system and ensures a technically correct replacement of the pair of discs on the axle. This is a practical solution for users expecting a solid, factory-spec construction tailored to the specifics of Mercedes W639 models.

Specifications and technical data

• SKU: A6394230112
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6394230112
• Substitutable numbers: A6394230112, A 639 423 01 12
• Location on the vehicle: Rear, Right, Left
• Category: Brake Disc Rotors

Purpose and rear axle fitment

The presented set of discs is designed for installation on the rear axle, with a clear distinction between the right and left sides. Such placement on the vehicle allows for maintaining the correct geometry of the braking system, even wear, and stable vehicle behavior during braking. A complete approach to replacing both discs on the axle reduces the risk of differences in braking efficiency between the sides of the vehicle.

Technical characteristics of the set

The brake disc set for the Mercedes W639 has been prepared as a pair that works together in terms of dimensions and operating parameters. The design of the discs is adapted to the specific requirements of the rear axle, which promotes predictable system operation, proper heat dissipation, and stability during repetitive braking cycles. By maintaining the correct proportions of diameter and working thickness, the discs support even pad pressure and repeatable braking force.

The set covering both sides simplifies service, as the mechanic or user has a consistent set available immediately, without the need to select individual components. This solution is particularly beneficial for planned periodic maintenance or for replacement after intensive vehicle use.

Product condition and service application

The offered brake disc set is in used condition, making it an attractive option for users looking for an economical solution while maintaining the manufacturer's original design. Such components work well in vehicles used intensively, where a reasonable maintenance cost is important while maintaining compliance with the factory assumptions of the braking system.

Before installation, every used disc should be verified for permissible wear values, radial runout, and the condition of the working surface. A correctly selected and assessed set can be a functional service solution, especially in fleet or commercial vehicles, where predictability and repeatability of the braking system are important.

Benefits of using original Mercedes brake discs

Choosing a set of discs dedicated to the Mercedes W639 allows for maintaining factory fitment to hubs, calipers, and other braking system components. The original mounting geometry and working surfaces promote quiet operation, stable contact with the pads, and predictable vehicle behavior during emergency braking and daily use.

Using a pair of discs on one axle reduces the risk of braking force asymmetry, which is important for both safety and the durability of other components. This solution is particularly beneficial for vehicles used under load, where the braking system operates in demanding thermal and mechanical conditions.

Brake system maintenance expansion and technical knowledge

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

When selecting used brake system components, it is worth following a proven technical condition assessment procedure. Detailed tips on how to safely choose discs, calipers, and ABS components can be found in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which serves as a practical checklist for informed users and workshops.