Mercedes-Benz S-Class W220 Door Control Module Right Rear O/S A2208216879

The Mercedes-Benz S-Class W220 Rear Right Door Control Module is an original electrical installation component responsible for precise management of the rear passenger side door functions. As part of the electronic body control units group, it ensures consistent operation of the vehicle's comfort, safety, and communication systems. This solution is designed for users who expect factory compatibility and stable electronic performance.

Specifications and technical data

• SKU: A2208216879
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2208216879
• Substitutable numbers: A2208216879, A 220 821 68 79, AS
• Location on the vehicle: Rear, Right

Purpose and Function in the Vehicle

The described rear right door module for Mercedes-Benz S-Class W220 operates in the rear right area of the body. It is responsible for control and communication between the door's electrical system and the vehicle's main network. In a typical configuration, it works with comfort systems, central locking, window control, and other functions assigned to specific doors.

By using an original control unit, the correct logic of system operation, proper bus communication, and compatibility with the software of the rest of the installation are maintained. This is particularly important in the highly engineered S-Class models, where body electronics are deeply integrated.

Benefits of Using an Original Module

Using a factory control module in the rear right door translates into a number of practical advantages:

• maintaining full functionality of comfort and safety systems assigned to the respective door,
• consistency with the S-Class W220 electrical architecture without the need for wiring modifications,
• reduced risk of communication errors and malfunctions associated with non-original control units,
• easier computer diagnostics due to compatibility with factory schematics.

For workshops and users, this means more predictable installation and greater confidence in correct cooperation with other vehicle modules.

Condition, Origin, and Technical Aspects

The module comes from the Mercedes parts line and is a used component, which in practice allows for economical repair while maintaining original specifications. Its placement on the vehicle is clearly defined as the rear right side, which facilitates selecting the correct control unit for a specific position in the body.

Before installation, the standard workshop procedure is recommended: verify compatibility by part number and configure according to the requirements of the specific vehicle instance. For the advanced comfort systems of the S-Class, the correct selection of the module is crucial for the stability of the entire electrical installation.

Selection by OEM Numbers and Online Purchase Safety

To precisely select the door control module for your S-Class W220 instance, it is advisable to use the part number and interchangeable numbers assigned to this model. This helps avoid compatibility issues, especially with different equipment versions and production years.

If you want to organize your knowledge on verifying components before purchase, check out the practical guide: how to safely buy parts online and verify their compatibility by OEM numbers. You will find tips on checking control units and other components for Mercedes, which will facilitate an informed choice of the right module.

Summary of Application in Mercedes-Benz S-Class W220

The Mercedes-Benz S-Class W220 Rear Right Door Control Module is a solution for users who want to restore full functionality to the rear passenger side door electronics without compromising on fit. The original design ensures compatibility with the vehicle's electrical installation, and its clearly defined placement on the vehicle facilitates correct installation.

For workshops specializing in the Mercedes brand and for informed users, this is a part that allows for a technically correct repair of the comfort system in the rear right body zone, while maintaining factory electronic operating standards.