Air Module Mercedes W211 CLS W219 Front SRS Module Right O/S Side A2118602805

Front Right SRS Airbag Module for Mercedes W211 and CLS W219 is a specialized component from the Seats and Benches group, responsible for managing the safety system on the driver's or passenger's side in the front of the vehicle. A used module allows for the technical repair of the SRS system while maintaining the original installation architecture, which is particularly important after a collision or when replacing interior components.

Specifications and technical data

• SKU: A2118602805-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118602805
• Substitutable numbers: A2118602805, A 211 860 28 05
• Location on the vehicle: Front, Right
• Category: Seats and Sofas

Purpose and Function of the SRS Module

The described airbag module is intended for installation in the front, right side of the interior of Mercedes E-Class W211 and CLS W219 vehicles. It is responsible for cooperating with the SRS system in the seat and bench area, ensuring proper communication with the central safety control unit and correct operation of airbags and pretensioners in the assigned zone.

Thanks to its factory design, the module maintains the original logic of the safety system's operation, which facilitates diagnostics, coding, and integration with the existing wiring harness. This solution is particularly beneficial for post-accident repairs, seat replacements, or restoring full interior functionality.

Construction, Placement, and Interior Integration

The module is designed to operate in a specific vehicle area – front, right side – which minimizes the risk of installation errors and facilitates correct wiring routing. Its construction is adapted for installation in the seat or bench area, so as not to interfere with seat rails, mounting points, or upholstery elements.

The original Mercedes solution ensures:

• consistency with the factory SRS system in the given model,
• correct assignment to the right side of the vehicle,
• easier identification during computer diagnostics.

As a result, the module integrates well with the existing interior electrical architecture, which is important for servicing seats, benches, and safety components.

Benefits of Using an Original SRS Module

Using an original module in the SRS system of a Mercedes W211 or CLS W219 allows for maintaining consistency with factory safety parameters. This is particularly important for vehicles where seats, benches, or other interior components related to airbags are being replaced.

Key advantages include:

• factory fit for the installation – no need for wiring or connector modifications,
• maintenance of the original SRS system configuration on the right side,
• easier cooperation with diagnostic testers used in Mercedes service centers.

A used component allows for cost-effective repair while maintaining a high level of passive safety, provided it is correctly selected for the specific vehicle version.

Application in the Seat and Bench Area

The module operates in direct conjunction with components from the Seats and Benches group, such as seat bases, backrests, or side airbags integrated into the seats. Its proper functioning affects:

• correct recognition of passenger presence in the given zone,
• proper deployment of airbags and pretensioners assigned to the right side,
• absence of SRS errors on the instrument cluster after correct installation and adaptation.

This makes the module an essential element for comprehensive interior renovation, replacing seats with different equipment versions, or restoring full safety system functionality after bodywork and paint repairs.

Condition, Selection, and Additional Materials

The component is offered in used condition, allowing for cost-effective restoration of SRS system functionality while maintaining the original manufacturer's specifications. Before installation, it is recommended to verify compatibility with the specific body version and consult with an electrician or diagnostician specializing in the Mercedes brand.

If you are planning a comprehensive repair or upgrade of the seating area in your Mercedes and need other parts from the same group, such as seat bases, backrests, or complete benches, check the available parts in the Mercedes Seats and Benches category.

For drivers who want to consciously upgrade their interior and seat-related systems, a guide on selecting used equipment will be useful – detailed tips can be found in the article Premium Interior for Half the Price: Used Seats, Steering Wheels, and Multimedia.