Mercedes W211 Wiring Rear Trunk SAM/SRB Control Module Feed Cable A2115405310

The SAM/SRB tailgate control module power harness for Mercedes W211 is a precisely designed component from the Cables, Harnesses, and Connectors group, responsible for stably supplying power and signals to the rear control module. This solution is intended for users who want to restore the correct operation of the electronics in the rear of the vehicle without altering the factory installation architecture.

Specifications and technical data

• SKU: A2115405310
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115405310
• Substitutable numbers: A2115405310, A 211 540 53 10
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Electrical System

The presented power harness has been specially developed to service the rear SAM/SRB module in the Mercedes E-Class W211 generation. It is responsible for transmitting power and control signals between the module and other electrical system components in the rear of the body, which is crucial for the proper functioning of the module's supported features.

Its placement in the rear of the vehicle ensures direct and organized wire routing, reducing the risk of mechanical damage and signal transmission interference. By maintaining the factory harness geometry, it can be installed in the original mounting points without requiring any modifications to the installation.

Construction and Fit for Mercedes W211

The harness is prepared as a dedicated component for the specific configuration of the rear control module in the Mercedes W211, ensuring proper connector placement and correct wire length. This solution facilitates installation and minimizes the risk of errors during the connection of individual circuits.

The appropriately selected wire cross-sections and connector designs are adapted to the loads present in the system, contributing to the stable long-term operation of the SAM/SRB module. The use of the original connection architecture ensures compliance with Mercedes service documentation and electrical diagrams.

Service Application and Benefits of Installation

The power harness for the rear control module is particularly useful in situations where the existing installation has suffered mechanical damage, overheating, contact corrosion, or improper repairs. Replacing the complete wire section with dedicated connectors is often a more predictable and safer solution than temporary soldering or fabricating installation fragments.

The main advantages of using this harness include:

• maintaining the factory wire routing in the rear of the vehicle,
• secure fit to the SAM/SRB module and other installation components,
• organized wire routing, facilitating easier future diagnostics,
• reduced risk of installation errors thanks to dedicated connectors.

Characteristics as a Used Part

This component is from a disassembly and is offered as a used part, making it a sensible choice for users seeking original solutions at a more favorable price than new components. Such harnesses are often used in daily driven vehicles where functionality, compatibility with the factory installation, and the ability to efficiently restore full electrical system operation are important.

For installation, it is recommended that the process be carried out by someone experienced with Mercedes automotive electrics, which will allow for proper wire routing and inspection of contact conditions and ground points in the rear of the body.

Expanding Rear Installation Modernization in Mercedes

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

For owners of older E-Class models who are considering a broader restoration or modernization of their car using proven used components, an article describing practical modernization scenarios and selection of used parts may be helpful – you can find it here: Second Life for a Youngtimer – How Used Car Parts Rejuvenate Cars from 1998–2012.