Mercedes-Benz E-Class A207 Additional Battery Tray Holder Mounting Bracket

The Mercedes W207 A207 Battery Holder Mount is an original part from the Battery Accessories group, designed for securely fastening the starter battery in a Mercedes vehicle. The precise geometry of the holder ensures a firm seating of the battery, reducing vibrations and the risk of unwanted movement during driving.

Specifications and technical data

• SKU: A2075400440
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2075400440
• Substitutable numbers: A2075400440, A 207 540 04 40, KZ
• Category: Battery Accessories

Purpose and Function of the Battery Holder

The battery mounting bracket in the W207/A207 body is responsible for the mechanical immobilization of the battery within the mounting bay. A correctly selected and installed part:

• maintains the battery in a fixed position during acceleration, braking, and over uneven surfaces,
• reduces mechanical stress on the battery casing and connections,
• supports the safety of the vehicle's electrical system.

By using a dedicated holder, the body structure and adjacent components are better protected from the effects of looseness and vibrations generated by an improperly secured battery.

Original Origin and Fit for Mercedes

The presented holder comes from the Mercedes parts line, which means adherence to factory design and quality standards. The part has been specifically designed for the battery bay geometry in W207/A207 models, ensuring:

• a fit to factory mounting points without the need for modifications,
• compatibility with the original routing of cables and covers,
• easier servicing and potential future battery replacement.

This precise fit reduces the risk of stress on the bodywork and minimizes the possibility of collision with other components within the mounting bay.

Performance Characteristics and Installation

As a part from the Battery Accessories group, the holder has been designed for stable operation under typical vehicle operating conditions. The design anticipates compatibility with factory screws and clamps, allowing for:

• consistent load transfer from the battery to the body,
• maintaining adequate clamping force without deforming the battery casing,
• easy removal during service work on the power system.

The used condition of the holder means the part has been previously in use but still retains the functionality required for proper battery mounting, while also reducing repair costs compared to brand-new parts.

Electrical System Safety

Proper battery mounting directly impacts the stability of the electrical system in a Mercedes. A correctly selected holder:

• reduces the risk of damage to terminals and power cables due to shocks,
• helps maintain the correct position of the poles relative to covers and metal parts,
• limits the possibility of micro-cracks forming in the battery casing.

This allows the entire starting and onboard power supply system to operate under more predictable conditions, contributing to a longer lifespan of electrical components.

Configuration Expansion – Mercedes Battery Accessories

If you are planning a comprehensive repair or upgrade of the power supply area in your Mercedes and need other items from the same group, such as additional holders, covers, or cable mounts, check the available parts in the Mercedes Battery Accessories category.

Technical Support and Operation

When working on the battery, it is advisable to pay attention to the overall condition of systems cooperating with the engine, including proper engine cooling and stable operating temperature. Additional information on the impact of temperature on component lifespan can be found in the article Engine Cooling System – Overheating, Repair, and Used Radiators, which discusses practical aspects of operating modern powertrains.