Mercedes Vito W639 Spare Wheel Holder Mount Support Bracket Carrier A6394000339

Mercedes Vito W639 Spare Wheel Holder Mount Support Bracket Carrier is a factory-spec mounting component designed for the secure attachment of a spare wheel under the vehicle's chassis. The original design ensures proper support, stability, and compatibility with the body's mounting points, which translates into predictable vehicle behavior and ease of use. This is a practical solution for users who want to maintain the functionality of the spare wheel carrier system in their Vito W639 in a configuration close to the factory standard.

Specifications and technical data

• SKU: A6394000339
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6394000339
• Substitutable numbers: A6394000339, A 639 400 03 39, A6394030144, A 639 403 01 44, A6394000239, A 639 400 02 39, A6394030044, A 639 403 00 44, BG
• Category: Spare Tyre Carriers & Covers

Purpose and function of the spare wheel holder

The presented bracket has been designed specifically for the Mercedes Vito W639 model, taking into account the chassis geometry and factory mounting points. Its task is to stably hold the spare wheel in the transport position so that it does not transfer unwanted vibrations to the body and does not interfere with other chassis components. A properly selected load-bearing structure allows for even load distribution, which reduces the risk of deformation and accelerated wear of the mounting elements.

Construction and fitment for Mercedes Vito W639

The spare wheel holder in this version is a structural element prepared for the specific body of the Vito W639, thanks to which it maintains the correct geometry relative to the rear beam, load floor, and exhaust system. The proper profiling of the bracket facilitates the installation and removal of the wheel and also provides service access without the need to interfere with other components. The use of an original mounting solution minimizes the risk of improper fitment, which could result in noise, looseness, or collision with suspension elements.

Benefits of using the original bracket

Using the factory holder in a Mercedes Vito W639 brings a number of practical benefits:

• preservation of the original concept of carrying the spare wheel under the chassis,
• secure wheel mounting, limiting its movement while driving,
• easier service maintenance compared to universal solutions,
• consistency with factory mounting points and body equipment.

Thanks to this, the spare wheel carrier system remains functional and compliant with the manufacturer's specifications, which is important both in daily operation and during technical inspections.

Condition, verification, and selection of parts

The item comes from a used vehicle, which in practice means that it is a part with verified functionality, intended for further use after proper installation. Brackets of this type are exposed to external factors (moisture, road debris), so it is recommended to check the working surfaces and mounting points before installation, and to apply anti-corrosion protection in accordance with workshop procedures. The appropriate selection of the holder for a specific version of the Vito W639 should be based on catalog data and part numbers, which are detailed in the product's technical specification.

Integration with the drivetrain and operational safety

Although the spare wheel holder is not a component of the drivetrain, its proper operation indirectly affects safety – an improperly mounted wheel can generate noise, vibrations, or in extreme cases, pose a danger on the road. In the context of a comprehensive approach to vehicle service, it is also worth paying attention to other components related to power transmission. A useful supplement to your knowledge may be an article describing the diagnostics and selection of clutch and dual-mass flywheel components – you can find details in the material Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which also discusses the issues of selecting used parts.

If you are planning a comprehensive repair or upgrade of the spare wheel storage area in your Mercedes and need other elements from the same group, such as additional holders, covers, or bags, check the available parts in the category Mercedes spare wheel holders and covers.