Trunk Mercedes S203 Estate Rear Right O/S Wiring Cable Loom Channel A2038212489

The Mercedes S203 Estate Right Rear Tailgate Wiring Harness is an original electrical installation component designed for routing and protecting wiring on the right rear side of the vehicle. With factory-fitted precision for the S203 estate body, it ensures stable wire routing, reduces the risk of chafing, and facilitates servicing of electrical systems in the rear of the car. This is a practical solution for users who want to maintain installation consistency with the factory Mercedes standard.

Specifications and technical data

• SKU: A2038212489
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038212489
• Substitutable numbers: A2038212489, A 203 821 24 89
• Location on the vehicle: Rear, Right
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

The described wiring harness is a component from the Cables, Harnesses, and Connectors group, responsible for routing the electrical installation in the rear right part of the S203 estate body. Its tasks include:

• Organized routing of wires in the right-side tailgate channel,
• Protection of wires from mechanical damage during hinge operation and tailgate opening,
• Ensuring stable electrical connections for components located in the rear of the body.

Thanks to its factory geometry, the harness conforms to the body's shape, which facilitates installation and reduces wire strain during daily operation.

Construction and Benefits of Using an Original Harness

The original tailgate wiring harness for the Mercedes S203 is designed for a specific location in the vehicle – rear, right side. This means the wire length, connector placement, and channel shape are adapted to the factory mounting points in the body.

Using an original component from this group allows you to:

• Maintain compliance with factory Mercedes service documentation,
• Minimize the risk of installation errors resulting from incorrect wire length or routing,
• Keep a clear electrical installation path in the rear of the vehicle.

This is particularly important for repairs after collisions, replacement of damaged harnesses, or restoring full functionality of tailgate lighting and equipment.

Component Condition and Service Application

The wiring harness is offered in a used condition, which means it comes from a dismantled vehicle and can be an attractive alternative to new components, especially for operational or budget-conscious repairs. Such items are often chosen in situations where:

• A quick replacement of a damaged section of the rear electrical installation is necessary,
• Wires have been chafed or broken in the tailgate channel,
• The car is being repaired after body damage in the right rear corner area.

Using an original harness allows for installation consistency with the rest of the electrical system, without the need for modifications or custom connections.

Part Selection by Numbers and Technical Support

When selecting wiring harnesses for a Mercedes, matching the specific body version and installation side is crucial. In practice, this means verifying compatibility by OEM part number or interchangeable numbers and comparing the placement on the vehicle. If in doubt, it is advisable to consult service documentation or the technical department to avoid installing the wrong harness variant.

For those interested in a broader approach to selecting original components by numbers and VIN, the article describing practical methods for working with used OEM parts may be helpful – you can find it here: Audi Five-Cylinder Engine – Legend and Selection of Original Parts by Numbers.

Expanding the Rear Installation in a Mercedes

If you are planning a comprehensive repair or upgrade of the rear electrical installation area in your Mercedes and need other components from the same product group, such as additional harnesses, wire sections, or service connectors, check the available parts in the Mercedes Cables, Harnesses, and Connectors category.

Selecting components from the same product group helps maintain installation consistency and allows for more predictable electrical system behavior during daily vehicle operation.