Mercedes-Benz ML GL R W164 W251 Additional Backup Battery Holder A1645453040

The Mercedes-Benz ML GL R W164 W251 Auxiliary Battery Bracket is an original part from the Battery Accessories group, designed for factory electrical systems in Mercedes ML, GL, and R-Class vehicles, W164 and W251 series. It ensures stable mounting of the auxiliary battery, contributing to the safe operation of the power supply system and reliable voltage maintenance in advanced electrical systems.

Specifications and technical data

• SKU: A1645453040
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1645453040
• Substitutable numbers: A1645453040, A 164 545 30 40, BG
• Category: Battery Accessories

Bracket Purpose and Function

The presented bracket is specifically designed for Mercedes-Benz ML, GL, and R models on the W164 and W251 platforms that utilize an auxiliary backup battery. Its purpose is to securely and consistently mount the battery in its designated body space, thereby minimizing vibrations, shifts, and mechanical stresses acting on the battery casing and power cables.

Thanks to its factory-designed mounting geometry, the bracket integrates with the original mounting points in the vehicle body, facilitating servicing, battery replacement, and maintaining order in the installation bay. This solution promotes long-term, stable operation of the electrical system, especially in vehicles equipped with numerous power consumers.

Benefits of Using an Original Mercedes Bracket

Using an original bracket from the Battery Accessories group in Mercedes vehicles offers a range of practical advantages:

• Secure seating of the auxiliary battery in its designated location by the manufacturer,
• Maintaining proper routing of cables and electrical protection,
• Reducing the risk of mechanical damage to the battery resulting from looseness or improper installation,
• Easier service access during diagnostics and battery replacement,
• Compatibility with the vehicle's factory construction, eliminating the need for custom mounts.

The original bracket is tailored to the specific body architecture, allowing for a clear component layout in the mounting area and simplifying inspection of the electrical system's condition.

Product Characteristics and Condition

The Mercedes-Benz Auxiliary Battery Bracket is manufactured to the manufacturer's standards, designed for operation in the demanding environment of the installation bay. Its construction is intended to withstand the loads resulting from the battery's weight, suspension vibrations, and temperature fluctuations typical for SUVs and vans of this class.

The item is offered in used condition, meaning it comes from a dismantled vehicle but retains the functionality required for continued use. This type of part is a good choice when preserving the original mounting structure while optimizing repair or upgrade costs for the power supply system is a priority.

Selection and Application in the Vehicle's Electrical System

When selecting a bracket for an auxiliary backup battery, matching it to the specific vehicle body platform and electrical system is crucial. For ML, GL, and R-Class W164/W251 models, using a dedicated bracket ensures:

• Correct positioning of the battery relative to the body and adjacent components,
• Safe distances from cables, modules, and body elements,
• Compliance with the manufacturer's factory service procedures.

This approach is particularly important in vehicles equipped with advanced comfort and safety systems, where stable power supply from an auxiliary battery directly impacts the reliability of electronic components.

If you are planning a comprehensive repair or upgrade of the power supply and battery mounting area in your Mercedes and require other parts from the same group, such as battery clamps, mounts, or covers, check the available parts in the Mercedes Battery Accessories category.

Technical Support and Additional Materials

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