Mercedes X253 HV Accumulator Battery Sensor Ground Line Cable A0009056507

The Mercedes X253 High-Voltage Battery Sensor with Ground Cable is an original part from the cables, harnesses, and connectors category, designed for the HV system in vehicles of this series. It ensures precise measurement of high-voltage battery parameters and a stable ground connection, supporting the safe and predictable operation of the entire electrical system.

Specifications and technical data

• SKU: rhd-A0009056507
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009056507
• Substitutable numbers: A0009056507, A 000 905 65 07
• Category: Wiring Harnesses, Cables & Connectors

Application and Function in the Vehicle

The presented HV battery sensor with ground cable is a component of the energy management system in hybrid and electrified versions of the X253 body style. It is responsible for:

• monitoring the high-voltage battery status in real-time,
• transmitting data to controllers responsible for energy management,
• ensuring a reliable, low-resistance ground connection in the HV circuit.

This allows the powertrain to operate under stable conditions, and safety systems receive reliable information about the status of the high-voltage system.

Construction and Technical Characteristics

The original Mercedes HV battery sensor is integrated with a dedicated ground cable, which reduces the number of connections and potential failure points. This solution:

• facilitates installation in the factory-designated location in the X253 vehicle,
• ensures the appropriately selected length and cross-section of the ground cable,
• maintains compatibility with the vehicle's factory wiring harness and connector architecture.

The component belongs to the cables, harnesses, and connectors group, meaning it is designed for operation in the demanding environment of the engine bay and battery compartment, considering current loads and thermal conditions.

Benefits of Using an Original Mercedes Part

Using the original HV battery sensor with ground cable in the X253 vehicle offers a number of practical benefits:

• Full compatibility with the electrical system – fits factory connectors and mounting points.
• Stable HV system operating parameters – accurate reading of the high-voltage battery load and status.
• Consistency with controller software – no need for adaptation or modification of wiring harnesses.
• Reduced risk of diagnostic errors – proper communication with HV system monitoring systems.

The part comes from the Mercedes-Benz OE line, which means it adheres to the vehicle manufacturer's quality standards regarding material selection, resistance to current loads, and connection durability.

Product Condition and Practical Aspects

The offered HV battery sensor with ground cable is a used part, allowing for economical repair or replacement while maintaining original specifications. This solution is particularly beneficial for vehicles used intensively, where both technical compliance and reasonable service costs are important.

Before installation, a standard inspection of the vehicle's HV system is recommended, along with verification of the correct seating of connectors and ground points, to fully utilize the capabilities of the offered component and maintain the stability of the high-voltage system's operation.

Other Mercedes Cables, Harnesses, and Connectors

If you are looking for other Mercedes cables, harnesses, and connectors for your vehicle, check out our dedicated offer: Mercedes cables, harnesses, and connectors. This will help you easily select compatible electrical system components in one place.

Why Consider Used Electrical System Components

For original electrical system components, such as HV battery sensors or ground cables, used parts often retain full functionality at a significantly lower purchase cost. Many concerns about the durability and reliability of such components stem from persistent myths – it's worth verifying them before deciding on a repair or vehicle upgrade. You can find more on this topic in the article: Used Car Parts: Myths and Facts You Need to Know.