Mercedes ML W164 Fuse Box Battery Jump Start Terminal A1645400050

Mercedes ML W164 Fuse Box Battery Jump Start Terminal is an original electrical system component designed to operate in the demanding conditions of the engine bay. This used part from the Fuses and Fuse Boxes category ensures a factory fit, stable power supply, and secure connection for jump-start cables in Mercedes ML W164 generation models.

Specifications and technical data

• SKU: A1645400050
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1645400050
• Substitutable numbers: A1645400050, A 164 540 00 50, KD
• Category: Fuses & Fuse Boxes

Purpose and function in the electrical system

The described fuse box integrated with the battery jump start terminal is responsible for power distribution to key vehicle circuits and for the safe connection of an external power source during emergency engine starting. The solution used in the Mercedes ML W164 allows for controlled circuit protection and reduces the risk of electrical system damage during voltage spikes.

This component is particularly important in vehicles equipped with extensive onboard electronics, where power stability has a direct impact on the operation of control units, comfort modules, and safety systems.

Design and construction advantages

The box is designed as a compact module, combining fuse sockets and a robust connection point for power and jump-start cables in a single housing. This solution facilitates maintenance, reduces the number of connections, and improves the clarity of the installation in the engine bay.

The main design advantages include:

• dedicated sockets for high-current and standard fuses,
• integrated terminal for connecting jump-start cables,
• factory-standard current path routing, minimizing voltage drops,
• housing adapted for mounting in original attachment points in the Mercedes ML W164.

Benefits of using an original Mercedes component

Using an original fuse box with a jump start terminal in a Mercedes ML W164 ensures full compatibility with the vehicle's electrical system and compliance with factory diagrams. As a result:

• the correct sequence and protection values for individual circuits are maintained,
• you avoid problems with matching harnesses and connectors,
• you minimize the risk of connection overheating and uncontrolled voltage drops,
• you facilitate the diagnosis of potential electrical faults in the future.

A used original component is a reasonable compromise between cost and quality – especially for such a critical sub-assembly as a fuse box combined with a battery jump start point.

Condition, fitment, and service application

The offered fuse box with a jump start terminal comes from dismantling and has the status of a used component, which allows for an economical repair of the power supply system in a Mercedes ML W164 while maintaining the original specification. Before installation, it is recommended to perform a standard visual inspection of the sockets, contacts, and housing, as well as to compare the connector layout with the module currently installed in the vehicle.

The element will work well both when replacing a damaged box after an electrical failure and during post-accident repairs, where it is necessary to restore the factory routing of the installation in the engine bay.

Expanding the protection system in your Mercedes

If you are planning a comprehensive repair or upgrade of the electrical system area in your Mercedes and need other elements from the same group, such as additional protection modules, distribution boxes, or socket housings, check the available parts in the Mercedes Fuses and Fuse Boxes category.

For drivers interested in optimizing service costs and making conscious choices regarding used parts for repairs of other brands, practical tips on economical maintenance can be found in the article: Repairing a Volkswagen for pennies? Discover how to save on original car parts.