Mercedes W910 Door Hinge Rear Right O/S Upper Iridium Silver 775 A9107406400

The Upper Rear Right Door Hinge for Mercedes W910 in Iridium Silver Metallic 775 is a precision body component designed for installation in the rear right section of the vehicle. Thanks to its factory fit to the Mercedes construction, it ensures stable door operation, correct wing suspension geometry, and reliable guidance with every opening and closing. This solution is dedicated to users who expect a technically correct repair without compromising on fit and paint appearance.

Specifications and technical data

• SKU: A9107406400-IRS
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9107406400
• Substitutable numbers: A9107406400, A 910 740 64 00, A9107409000, A 910 740 90 00
• Location on the vehicle: Rear, Right
• Color: Iridium Silver Metallic - 775
• Category: Lift Supports, Latches, Hinges & Additional Parts

Purpose and Function in the Body

The presented upper rear door hinge on the right side has been specifically designed for the Mercedes W910 body. Its task is to transfer the loads resulting from the door's mass and its operation in daily use, while maintaining the correct axis of rotation and smooth wing movement.

• Location in the rear area, on the right side of the vehicle,
• Upper position – responsible for guiding and stabilizing the door,
• Adapted to factory mounting points in the body structure.

Thanks to its design consistent with the manufacturer's solutions, the hinge supports the maintenance of proper gaps between the door and the bodywork, which reduces stress and promotes uniform operation of the lock and other components in the Gas springs, locks, hinges, and other parts group.

Iridium Silver Metallic 775 Paint Finish

The component is finished in Iridium Silver Metallic 775, which allows for visual consistency with the bodywork in the same shade. The metallic paint coating not only enhances the aesthetics of the door area but also provides an additional protective layer for the hinge surface.

• Color matched to the factory Mercedes paint palette,
• Facilitates repair without the need for additional painting of the entire component,
• Better visual integration with the vehicle's side line.

Such a finish is particularly beneficial for collision repairs or replacement of worn components when maintaining a uniform body appearance without visible shade differences is important.

Characteristics of the Used Component

The offered hinge comes from the used parts group, making it an attractive solution for users looking for a factory component at a more favorable price than a new replacement. A used element of this class allows for:

• maintaining the original mounting geometry in the body,
• reducing repair costs while using parts from the same model line,
• a more sustainable approach to vehicle operation through the reuse of functional components.

For door hinges, it is particularly important to maintain adequate stiffness and connection stability – using an original Mercedes solution promotes proper door guidance throughout its range of operation.

Application in Repairs and Upgrades

The upper rear right door hinge in Iridium Silver Metallic 775 is suitable for both collision repairs and replacement of components worn through use. It can be used in situations where problems arise with:

• door sagging and loss of parallelism with the body,
• excessive play in the hinge axis,
• difficulty in closing due to improper wing guidance.

Choosing a hinge dedicated to a specific Mercedes model reduces the need for additional modifications and allows focus on precise adjustment after installation, which translates to user comfort and durability of the entire door assembly.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other components from the same group, such as locks, gas springs, or additional hinges, check the available parts in the Gas springs, locks, hinges, and other Mercedes parts category.

Technical Support and Vehicle Development

Selecting appropriate body components, such as door hinges, is important not only for the comfort of daily operation but also for further vehicle modifications – for example, when increasing the mass of interior equipment or installing additional elements in the door area. In such projects, knowledge of how individual vehicle systems react to changes in loads and configurations can be useful.

For drivers interested in a broader approach to car modernization, including performance improvements using aftermarket components, a valuable addition may be the article How to Increase Engine Power: A Practical Guide to Tuning Engines with Used Parts, which shows how to consciously plan modifications using proven, used components.