Keyless Go Module Mercedes C118 W177 W247 ECU Entry Control Unit A1679009523

Keyless Go Module Mercedes C118 W177 W247 ECU Entry Control Unit is an original electronic control module for the keyless entry system in selected Mercedes models. It belongs to the group Electronic Control Modules and Controllers, responsible for precise management of comfort and security functions. A used OEM part helps maintain the vehicle's electronics consistency with the manufacturer's factory architecture.

Specifications and technical data

• SKU: A1679009523
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1679009523
• Substitutable numbers: A1679009523, A 167 900 95 23
• Category: ECUs & Computer Modules

Purpose and Function of the Keyless Go Module

The presented Keyless Go module acts as the central control unit for the keyless entry and engine start system in Mercedes cars from the C118, W177, and W247 series. It is responsible for communication between the body electronics, the key, and other control units, ensuring proper operation of the comfort functions for opening, closing, and authorizing the start.

By using an original controller from the Electronic Control Modules and Controllers group, compatibility with the vehicle's factory software and CAN network architecture is maintained, which reduces the risk of communication errors and problems with the integration of other comfort and security systems.

Benefits of Using an Original Mercedes Module

Using an original Keyless Go module to replace a damaged or unstable part allows for the restoration of the keyless entry system's proper function without interfering with the electrical system. In practice, this means:

• maintaining the factory logic of the comfort access system,
• consistency with other body control units and security systems,
• the possibility of correct adaptation and coding using dedicated diagnostic tools,
• reducing the risk of incompatibility typical of low-quality aftermarket parts.

A used OEM part is a particularly attractive solution for repairs where both technical correctness and optimization of service costs are important.

Integration with Vehicle Electronics

The Keyless Go module works with other body control units, creating a cohesive system for managing comfort functions. As part of the Electronic Control Modules and Controllers group, it is designed for precise communication within the vehicle network, which is important for diagnostics, software updates, and subsequent operation.

Before installation, it is recommended to verify compatibility with the specific vehicle equipment version and prepare for adaptation using an appropriate diagnostic tester. A correctly selected and coded module allows for the restoration of the full functionality of the Keyless Go system without the need for wiring modifications or interference with the vehicle's structure.

Mercedes Electronic Control Modules and Controllers – Expansion and Service

If you are planning a comprehensive repair or modernization of the comfort electronics area in your Mercedes and need other parts from the same group, such as comfort controllers, body ECU units, or access modules, check the available parts in the Mercedes Electronic Control Modules and Controllers category.

More About the Role of Original Modules in Modern Cars

Modern premium cars rely heavily on advanced electronics, and the proper functioning of comfort and multimedia systems is closely linked to the quality of the controllers used. In the context of premium brands, it is worth understanding how appropriately selected used components can help maintain the vehicle's character – this is discussed in more detail in the article Audi and Pure Emotion. How Used Parts Help Maintain the Brand's DNA?, which illustrates the importance of original modules and electronic components in modern designs.