Wheel Rim Mercedes W639 Silver Alloy 17" 7J ET:56 A6394012402

Visual condition of the part

The product shows signs of use visible in the photos.

Wheel Rim Mercedes W639 Silver Alloy 17" 7J is an original, used light alloy rim designed for installation on the front axle of Mercedes vehicles. The silver finish of the rim emphasizes the elegant character of the car, while precise technical parameters ensure stable handling and predictable vehicle behavior. This is a solution for drivers looking for factory fitment, solid construction, and a design that is consistent with the rest of the bodywork.

Specifications and technical data

• SKU: A6394012402-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6394012402
• Substitutable numbers: A6394012402, A 639 401 24 02
• Location on the vehicle: Front
• Color: Silver
• Rim diameter: 17"
• Rim width: 7
• Offset (ET): 56
• Hole diameter: 112
• Number of holes: 5
• Rim material: Aluminium
• Category: Rims

Purpose and fitment for Mercedes W639

The presented alloy rim has been designed for Mercedes W639 series models, taking into account the requirements for front axle installation. The rim construction, bolt pattern, and offset are adapted to factory suspension parameters, which helps maintain proper wheel geometry and even load distribution. As a result, the rim works with the chassis in a predictable manner, without the need for spacers or non-factory mounting solutions.

Construction, material, and geometric parameters

The rim belongs to the Rims category and is made of aluminum, which helps reduce unsprung weight compared to classic steel rims. A lighter construction promotes better suspension response to road irregularities and improves ride comfort. The rim diameter, width, offset, as well as the diameter and number of mounting holes have been selected to ensure proper tire seating, adequate clearance relative to suspension components, and stable mounting on the hub.

The silver finish of the rim blends well with both light and dark body colors, creating a cohesive, understated look for the vehicle. At the same time, the rim surface is easy to maintain, which facilitates keeping an aesthetic appearance in daily use.

Benefits of using an alloy rim

Using an alloy rim on a Mercedes vehicle brings a number of practical technical benefits:

• reduction of unsprung weight compared to steel rims, which promotes better suspension performance,
• precise fitment to the chassis, reducing the risk of vibrations and uneven tire wear,
• consistent styling with the Mercedes design line, without an "aftermarket" effect,
• possibility of using tires with the appropriate profile, in accordance with the vehicle manufacturer's recommendations.

For the user, this means more confident handling, predictable car behavior at higher speeds, and an aesthetic vehicle appearance. By choosing an original alloy rim, you minimize the risk of balancing issues or improper hub seating, which is common with randomly selected replacements.

Condition, service application, and replacement

The rim is a used item, making it an attractive cost-effective alternative while maintaining factory specifications. It works well both as a replacement for a damaged rim after a collision or contact with a curb, and as a part to complete an additional set of wheels, e.g., for a separate set of tires. In service applications, it is important that the rim is consistent with the parameters provided by the vehicle manufacturer – in this case, continuity with the original Mercedes W639 configuration is maintained.

Before installation, a standard service check is recommended, including checking radial and axial runout, assessing the surface condition, and professional wheel balancing after mounting the tire. This approach allows you to fully utilize the potential of the aluminum construction and ensure stable operation of the chassis.

Configuration expansion and additional information

If you are planning a comprehensive repair or upgrade of the chassis area in your Mercedes and need other elements from the same group, such as additional rims, wheel sets, or alternative rim patterns, check the available parts in the Mercedes Rims category.

When choosing a used alloy rim, it is worth knowing the basic principles of assessing rim condition, regeneration possibilities, and safe mounting criteria – these are discussed in detail in the article Used rims like new: a guide to buying and refurbishing alloy rims, which may be helpful when making an informed purchasing decision.