Mercedes W169 W245 Control Unit Front Left Door N/S Module A1698207926

The Mercedes W169 W245 Front Left Door Control Module is an item from the Electronic Control Modules and Controllers category, designed to manage the driver's door functions in Mercedes compact class vehicles. It is responsible for precise control of electrical systems within the door, ensuring stable communication with the vehicle's wiring and consistent operation of comfort systems.

Specifications and technical data

• SKU: A1698207926
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698207926
• Substitutable numbers: A1698207926, A 169 820 79 26
• Location on the vehicle: Front, Left
• Category: ECUs & Computer Modules

Purpose and Function of the Door Module

The presented door controller is intended for installation in the front - left side of the vehicle, i.e., on the driver's side. As a dedicated module for the W169/W245 platform, it interfaces with the body's electrical system, handling signals from door switches and transmitting them to the vehicle's higher-level systems, among other functions.

The placement on the vehicle has been factory-optimized for protection against vibrations and operating conditions, which promotes stable electronic performance. The module is part of the original Mercedes electrical architecture, ensuring compatibility with factory wiring diagrams and the operational logic of comfort systems.

Benefits of Using an Original Mercedes Module

Choosing a door controller from the Mercedes range helps maintain consistency with the vehicle's factory configuration. An original module from this series:

• communicates with the vehicle's data bus according to manufacturer specifications,
• minimizes the risk of communication errors and software incompatibilities,
• facilitates diagnostics using professional service testers.

This allows the module to be used both as a replacement for a damaged component and as part of repairs to the door wiring after a collision or mechanical intervention.

Performance Characteristics and Installation

As an item in the Electronic Control Modules and Controllers category, the door controller is designed to operate in environments with variable temperature and humidity conditions typical for door cavities. Its construction allows for installation in the factory location, simplifying servicing and reducing replacement time.

When selecting a module, it is advisable to pay attention to the compatibility of the part numbers with your vehicle and its equipment configuration. A correctly chosen controller will preserve the functionality of factory systems, such as window and mirror controls, without requiring wiring modifications.

Product Condition and Practical Application

The offered module is a used part, enabling cost-effective repair of the door's electrical system while maintaining the original manufacturer's specifications. This type of solution is often chosen by professional workshops and discerning users who wish to reduce repair costs while ensuring compatibility with the vehicle's electronics.

If you have doubts regarding selection based on factory part numbers or equipment configuration, it may be helpful to compare it with the currently installed module and consult with a diagnostician specializing in the Mercedes brand.

More Modules and Technical Knowledge

If you are looking for other Mercedes Electronic Control Modules and Controllers, check out our dedicated offer: Mercedes Electronic Control Modules and Controllers. You will find a wide selection of parts for various models of this brand, making it easier to complete your entire system.

When planning the installation of a used door controller or other vehicle electronic components, it is worth familiarizing yourself with practical tips on selection based on factory part numbers, hardware and software compatibility, and installation procedures. A detailed discussion of these topics can be found in the guide: Used Automotive Electronics Onboard – Why Choose Second-Hand ECU Modules and Sensors?