Mercedes C204 C63 AMG Engine ECU 156.985 487HP Key Lock Set Auto A1569005100

Mercedes C204 C63 AMG Engine ECU 156.985 487HP Key Lock Set is a complete, used electronic set from the Electronic control modules and ECUs category, designed for the advanced C63 AMG powertrain with the 156.985 engine producing 487 HP. The set includes the engine control unit along with matched immobilizer components and keys, which significantly facilitates professional replacement in vehicles of this series.

Specifications and technical data

• SKU: A1569005100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1569005100
• Substitutable numbers: 0261209587, 0 261 209 587, A1569005100, A 156 900 51 00, A1569003000, A 156 900 30 00, A 207 905 27 00, A2079052700
• Part type: Engine Control Unit (ECU)
• Category: ECUs & Computer Modules

Purpose and function of the ECU and key set

The presented set is dedicated to the sports version of the Mercedes C-Class C204 C63 AMG with the 156.985 unit producing 487 HP. It includes the engine ECU along with the associated car key set, which allows for maintaining the consistency of the vehicle's security system and ensures proper cooperation with the factory immobilizer.

Thanks to this solution, it is possible to efficiently replace the complete engine control system in the event of a failure, electronic damage, or the need to match a used engine to the existing vehicle installation. The set is particularly useful in workshops specializing in the Mercedes brand and in projects involving the restoration or modification of AMG cars.

Benefits of using a complete ECU and key set

Using a complete ECU and key set in the C63 AMG provides a number of practical benefits in daily service work:

• maintaining compatibility between the engine control unit and the immobilizer system,
• reducing the need to program the entire security system from scratch,
• facilitating the adaptation of a used controller in the vehicle after repair or engine replacement,
• the ability to restore full functionality of the powertrain while maintaining factory logic.

For workshops and users dealing with high-performance vehicles, it is particularly important that the complete control set minimizes the risk of engine starting problems, CAN network communication errors, and conflicts with the vehicle's security system.

Characteristics of the Electronic control modules and ECUs category

The product belongs to the Electronic control modules and ECUs category, which are components responsible for managing the operation of key vehicle systems. In the case of the C63 AMG, the engine ECU is responsible for, among other things, controlling the operating parameters of the 156.985 unit, monitoring fuel injection, ignition, and cooperating with other onboard modules.

In this group of parts, it is particularly important to correctly match components to the specific engine version and vehicle equipment. Using a set with keys allows for simplifying the selection process because the controller and security elements come from one car and are factory-tuned to each other.

Product condition and service application

The ECU and key set is offered as used, which is an attractive cost-effective solution compared to new electronic components. Such components are frequently used in:

• post-accident and flood-damaged repairs, where the original controller has been damaged,
• restoration projects of aftermarket AMG cars,
• engine replacements along with electronic accessories,
• specialized modifications where maintaining the original control architecture is required.

Before installation, it is recommended to verify the compatibility of the vehicle configuration and perform computer diagnostics after installation to confirm proper communication of the controller with other modules.

Choosing a used ECU – knowledge and practical tips

When choosing a used engine controller and related modules, it is worth using reliable sources of information and workshop experience. To better understand when used electronics are a reasonable solution and how to safely select such elements for your car, read the article: The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?

If you are planning a comprehensive repair or upgrade of the engine control area in your Mercedes and need other elements from the same group, such as additional controllers, management modules, or related electronic systems, check the available parts in the Mercedes Electronic control modules and ECUs category.