Mercedes W212 Seat Side Air Module Alpaca Grey Front Right O/S A2128603502

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W212 Seat Side Air Module Alpaca Grey Front Right O/S is an original safety component designed for installation in the front right seat of Mercedes vehicles. The grey color of the airbag allows for a seamless match with the interior upholstery, and its construction, compliant with factory standards, ensures proper integration with the SRS system.

Specifications and technical data

• SKU: A2128603502-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2128603502
• Substitutable numbers: A2128603502, A 212 860 35 02
• Location on the vehicle: Front, Right
• Color: Grey
• Category: Seats and Sofas

Purpose and function in the safety system

The described seat airbag is a component of the passive safety system, responsible for protecting the passenger sitting in the front right seat in the event of a side collision or specific crash scenarios. It is mounted directly within the seat structure, allowing it to react precisely to signals from the sensors and the airbag control unit.

Its placement in the front right part of the cabin allows for the proper adjustment of inflation characteristics to the seat geometry and passenger position. As a result, the system can limit the forces acting on the body and reduce the risk of injury in critical areas.

Construction, color, and integration with the seat

The airbag is designed to operate within the Seats and Benches category, which means it is closely linked to the construction of the seat base, backrest, and side bolsters. The grey finish facilitates integration with typical interior configurations used in the Mercedes W212, maintaining visual consistency after installation or replacement.

The geometry of the airbag is adapted to its specific location on the vehicle, which allows for proper positioning within the seat structure, correct routing of the electrical harness, and proper operation in conjunction with factory mounts. This configuration promotes stable installation and minimizes the risk of mechanical stress during operation.

Condition, origin, and installation aspects

The item is offered as a used OEM component, which in practice means factory-level fitment for the Mercedes W212 platform and the preservation of original performance characteristics within the airbag system. Using parts from the same product line allows for maintaining compliance with the parameters specified by the vehicle manufacturer.

During installation, it is crucial to follow procedures regarding SRS systems: disconnecting the power supply, checking harnesses, applying appropriate tightening torques, and verifying errors in the control unit after installation. Installation by a specialized service center equipped with appropriate diagnostic tools and experience in working with safety systems is recommended.

Benefits of using an original seat airbag

Using an original seat airbag in a Mercedes W212 helps maintain the consistent operation of the entire safety system, including interaction with sensors, the control unit, and other airbags in the vehicle. This makes it possible to maintain the manufacturer-intended sequence of operation for individual components in the event of a road incident.

The grey color facilitates aesthetic integration with the interior, which is particularly important for post-accident repairs where both restoring functionality and maintaining a uniform cabin appearance are essential. Choosing an original component also reduces the risk of electrical and mechanical compatibility issues.

Expansion and modernization of the seating area

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

For those who want to plan a broader cabin refresh, a guide describing the selection and installation of interior components from the secondary market will be useful – you can find detailed tips in the article "Premium interior for half the price: second-hand seats, steering wheels, and multimedia".