Mercedes-Benz M-Class ML W164 Fuse Prefuse Box Jump Start Terminal A1645400350

The Mercedes W164 Battery Module Fuse Box is a specialized component from the Fuses and Fuse Boxes category, designed for the power system in Mercedes SUV vehicles. It is responsible for the safe distribution of electrical energy from the battery, stabilizing the operation of key consumers and protecting the system from overloads. This solution allows for the preservation of factory protection logic and the proper operating parameters of the electrical system.

Specifications and technical data

• SKU: A1645400350
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1645400350
• Substitutable numbers: A1645400350, A 164 540 03 50, KZ
• Category: Fuses & Fuse Boxes

Purpose and Function of the Battery Module

The offered battery fuse box is structurally adapted to the electrical architecture of the Mercedes W164 class. The module serves as a central power distribution point, integrating protection for the vehicle's main circuits. This ensures the electrical system maintains adequate resistance to short circuits and overloads, and individual circuits are separated from each other according to the manufacturer's specifications.

A properly selected battery module limits voltage drops, stabilizes power supply to control units and actuators, and facilitates the diagnosis of potential electrical faults. Using an original solution maintains compliance with service documentation and wiring diagrams.

Construction and Design Advantages

The battery fuse box for the Mercedes W164 is designed as a compact unit that combines the function of a power distribution board and a carrier for fuses and relays. The layout of the current paths is optimized to minimize energy loss and ensure proper cooling of the protective elements.

Key design advantages include:

• factory fit for electrical harnesses in the battery compartment,
• clear circuit division, facilitating service and diagnostics,
• manufacturer-designed current paths with appropriate load capacity,
• quick replacement of individual fuses without interfering with the wiring.

This ensures the module maintains high reliability in daily operation while remaining easy to service.

Integration with the Mercedes Electrical System

The battery module in the Mercedes W164 works with the vehicle's energy management system, responsible for distributing power to components such as control units, comfort systems, and safety systems. The use of a dedicated fuse box allows for:

• correct power-up sequence for individual circuits,
• compliance with factory protection values,
• stable operating conditions for sensitive onboard electronics.

Proper integration with the electrical system directly impacts battery life, correct operation of starting systems, and reduces the risk of failures due to incorrect current distribution.

Condition, Origin, and Operational Aspects

The offered component is a used part, classified as a used original component from Mercedes. This type of part allows for the preservation of factory manufacturing standards while also being an economical alternative to new components. In practice, this means the possibility of restoring full power system functionality while maintaining reasonable repair costs.

Before installation, standard verification of the condition of contacts, sockets, and mounting points is recommended, as well as comparison of the configuration with the existing vehicle wiring. A correctly selected and installed battery module minimizes the risk of improper charging, random power outages, and control unit malfunctions.

Mercedes Fuses and Fuse Boxes – Selection and Alternatives

For complex electrical systems, such as in the Mercedes W164, it is crucial to use dedicated solutions from the Fuses and Fuse Boxes category from the same brand. If you need other components from this group, check the available Mercedes fuses and fuse boxes to select components compatible with your vehicle's architecture.

Choosing a used battery module also aligns with a modern approach to vehicle operation, based on the reuse of functional parts. You can find more information about the economic and environmental benefits of such a solution in the article Circular Economy in Your Garage – How Used Dismantled Parts Support the Environment and Your Budget.