Mercedes-Benz M-Class ML W163 Ground Cable Right O/S Wheel Arch A1635400441

The Mercedes ML W163 Right Wheel Arch Ground Cable is a specialized component from the Cables, Harnesses, and Connectors group, responsible for a stable ground connection within the right wheel arch area. A properly selected ground cable limits voltage drops, improves electrical system performance, and reduces the risk of interference in the vehicle's electronic systems. This component is designed for use in Mercedes vehicles, ensuring compatibility with the factory electrical architecture of the ML W163 model.

Specifications and technical data

• SKU: A1635400441
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1635400441
• Substitutable numbers: A1635400441, A 163 540 04 41, EM
• Location on the vehicle: Right
• Category: Wiring Harnesses, Cables & Connectors

Function and Application of the Right Wheel Arch Ground Cable

The ground cable in the right wheel arch area ensures a secure, low-resistance connection of body components to the vehicle's ground. In practice, this translates to:

• stable power supply to electrical consumers located in the front of the car,
• reduced risk of errors in control modules,
• limited contact corrosion due to proper equalization current flow,
• more predictable operation of lighting systems, sensors, and other components within the wheel arch.

A correctly selected ground cable is particularly important in vehicles with complex electrical systems, such as the Mercedes ML W163, where the quality of ground connections directly impacts operational reliability.

Compatibility and Fit for Mercedes ML W163

The presented cable has been designed for integration into the ML W163 construction, considering its placement on the right side of the vehicle. This means a tailored cable length, appropriately shaped terminals, and a geometry that allows for routing through factory mounting points in the wheel arch.

This ensures an organized installation process without the need for electrical system modifications or the fabrication of additional brackets. Maintaining the original cable routing also helps protect it from mechanical damage and external factors such as moisture or road debris.

Characteristics of a Used Component

The offered ground cable is a used aftermarket part, allowing for economical repairs while maintaining compliance with factory specifications. A used component of this type is particularly attractive in situations where:

• the original cable has suffered abrasion, overheating, or terminal corrosion,
• there are ground issues on the right wheel arch side (flickering lights, intermittent electrical faults),
• a quick replacement is needed without investing in a complete new harness.

Choosing a used ground cable for a Mercedes allows for consistency with the factory connection system while reducing service costs.

Importance of Proper Grounding in Mercedes Electrical Systems

In modern Mercedes vehicles, the quality of ground connections is crucial for the proper functioning of control units, sensors, and comfort systems. An improper condition of the ground cable in the right wheel arch area can result in:

• unstable voltage in local circuits,
• the occurrence of difficult-to-diagnose intermittent faults,
• accelerated degradation of other electrical system components.

Replacing a worn-out cable with a functional one restores the correct potential distribution in the body and is a simple yet technically justified service step for ground issues in the right wheel arch area.

If you are planning a comprehensive repair or upgrade of the electrical system area in your Mercedes and need other components from the same group, such as ground wires, wheel arch harnesses, or service connectors, check the available parts in the Mercedes Cables, Harnesses, and Connectors category.

For owners of C-Class and E-Class models who are simultaneously servicing engine accessories and power supply systems, a guide on operation and component selection may be helpful – you can find more practical tips in the article Star-Quality Reliability – How to Care for Engine Accessories in Popular Mercedes-Benz C-Class and E-Class Models?.