Mercedes-Benz E-Class S211 W211 Ignition Switch Lock Control Module A2115451008

Mercedes-Benz E-Class S211 W211 Ignition Switch Lock Control Module is an original component from the Ignition Accessories group, designed for the starting system in E-Class W211/S211 series models. It enables proper interaction between the ignition switch and the vehicle's electronics, ensuring stable engine starting and consistent operation of comfort and safety systems.

Specifications and technical data

• SKU: A2115451108
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2115451008
• Substitutable numbers: A2115451108, A 211 545 11 08, A2115451008, A 211 545 10 08, ŁS
• Category: Ignition Modules

Application and function in the ignition system

The presented control module is responsible for handling the ignition switch lock and communicating with other vehicle control units, such as security and comfort systems. In practice, this means controlling key authorization, managing ignition switch positions, and transmitting signals to other components responsible for starting the engine.

Thanks to its factory design dedicated to the E-Class W211/S211 series, this component is precisely matched to the vehicle's electrical architecture, which facilitates installation and reduces the risk of software compatibility issues.

Benefits of using an original module

Using an original Mercedes-Benz E-Class Ignition Switch Lock Control Module provides a number of practical benefits:

• maintaining compatibility with the vehicle's factory security system,
• stable operation of the ignition system and predictable ignition switch behavior,
• reducing the risk of communication errors between control units,
• easier diagnostics using standard Mercedes service tools.

For workshops and users, this means more efficient service, as well as greater confidence that the starting system will operate according to the manufacturer's specifications.

Product characteristics and fitment

The module comes from the Mercedes range, which guarantees adherence to factory manufacturing standards and full integration with the E-Class electrical system. As an item in the Ignition Accessories category, it has been specifically designed to operate in the demanding environment of the vehicle's interior, taking into account the electrical and thermal loads typical for this area.

The product is offered in a used condition, which provides a cost-effective solution while maintaining the original specifications. It is a practical choice for repairs where combining proper functionality with a reasonable budget is key.

Compatibility verification via OEM and replacement numbers

Before purchasing, it is worth verifying the module's compatibility with the specific equipment version of your Mercedes E-Class using the OEM number and available replacement numbers. This facilitates the selection of a part that exactly matches the electrical installation and software variant used in your car.

If you want to check step-by-step how to properly match an ignition system component to your car based on the OEM or VIN number, use our practical guide: Guide: how to choose the right car part by VIN and OEM number.

Expansion and modernization of the Mercedes ignition system

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

Summary

Mercedes-Benz E-Class S211 W211 Ignition Switch Lock Control Module is a technically matched, original component from the ignition accessories group, intended for professional repair of the starting system. Choosing this solution allows you to restore proper ignition switch operation, maintain the integrity of the vehicle's electronic systems, and uphold performance standards consistent with Mercedes factory specifications.