Mercedes-Benz A-Class W169 Ignition Switch Lock Control Module A1695451108

Mercedes-Benz A-Class W169 Ignition Switch Lock Control Module is an original component from the Ignition Accessories group, designed to work with the vehicle's factory electronic system. It ensures proper operation of the ignition, steering column lock, and engine start authorization in compatible A-Class W169 models. This used OEM component is a sensible choice for professional ignition system repairs in Mercedes vehicles.

Specifications and technical data

• SKU: A1695451208
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1695451208
• Substitutable numbers: A1695451208, A 169 545 12 08, A1695451108, A 169 545 11 08, BG
• Category: Ignition Modules

Purpose and function in the ignition system

The presented Mercedes-Benz A-Class W169 Ignition Switch Lock Control Module is responsible for the electronic control of the ignition switching process and interaction with the steering column lock. This element is integrated with the vehicle's security system, allowing for correct key identification and safe engine startup. Thanks to its factory design, full compatibility with the A-Class W169 electrical architecture is maintained.

Choosing an original module from dismantling allows for maintaining the consistency of software and operating parameters with other controllers in the vehicle, which reduces the risk of communication errors in the bus and starting problems.

Advantages of using an original Mercedes module

Compared to replacements, the original module designed for Mercedes offers:

• factory fitment for electrical harnesses and mounts in the steering column,
• proper cooperation with the immobilizer system and other controllers,
• stable operating parameters under typical operating conditions,
• preservation of the factory logic of ignition and steering lock operation.

For workshops specializing in the Mercedes brand, such an element constitutes a predictable, technically safe solution for diagnosing and repairing vehicle starting problems or ignition switch issues.

Condition, verification, and installation

The module is offered in used condition, meaning it comes from vehicle dismantling and may show standard signs of wear that do not affect its functionality. This type of part is particularly cost-effective for repairs of older A-Class W169 models, where efficiency and compatibility are the priority rather than factory newness.

Before installation, it is recommended to:

• perform computer diagnostics of the vehicle to confirm the source of the fault,
• check the compatibility of the module with the specific vehicle equipment version,
• entrust the installation to a specialist familiar with programming and adaptation procedures for Mercedes controllers.

Professional installation minimizes the risk of communication errors with other modules and ensures the correct operation of the ignition switch lock and the entire ignition system.

Mercedes ignition accessories – expansion and repairs

If you are planning a comprehensive repair or upgrade of the ignition system area in your Mercedes and need other elements from the same group, such as ignition switches, coils, or additional control modules, check the available parts in the Mercedes ignition accessories category.

More about used body and equipment components

When selecting used components, it is worth knowing good practices related to assessing their condition and the cost-effectiveness of the purchase. You can read more about how to reasonably choose parts from dismantling and what to look for during inspections in the article Replacing body parts with used ones – can body parts from dismantling look like new?, which helps to consciously approach the topic of used subassemblies in popular brands, including Mercedes.