Mercedes W204 Steering Wheel Driver's Side Airbag Module Unit A1728602802

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W204 Steering Wheel Driver's Side Airbag Module Unit is an original safety component designed for installation in the central part of the steering wheel, in the front zone of the vehicle. Designed by Mercedes, it ensures proper cooperation with the factory SRS system and a perfect fit for the steering column. This is a solution for users who want to restore the full functionality of the safety system after a collision or steering wheel replacement.

Specifications and technical data

• SKU: A1728602802
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728602802
• Substitutable numbers: A1728602802, A 172 860 28 02
• Location on the vehicle: Front
• Category: Other Interior Parts & Accessories

Purpose and function in the safety system

The steering wheel airbag in the Mercedes W204 model is a key component of the SRS airbag system, responsible for protecting the driver in the event of a frontal collision. The element is mounted in the front part of the vehicle, directly on the steering wheel, where it works with crash sensors, the control unit, and seat belt tensioners. Using an original airbag allows for maintaining proper inflation timing parameters and compatibility with the factory electrical installation.

Compatibility and fit for Mercedes W204

The offered steering wheel airbag has been developed specifically for the W204 platform, which translates into a precise fit with the steering wheel structure and column housing. Original mounts and electrical connectors facilitate installation and reduce the risk of errors during the process. Thanks to this, the element can be used both for standard replacement after deployment and for professional interior restoration after post-accident repairs.

Product characteristics and condition

The steering wheel airbag comes from the Mercedes manufacturer's range, which means maintaining factory geometry, material quality, and compliance with homologation requirements for the given model. The product is used, which in practice means that before installation, it is recommended to have it verified by a qualified service center for the correct operation of the SRS system and compliance with the manufacturer's procedures. Using an original component helps reduce the risk of communication issues with the airbag control unit and the appearance of errors on the instrument cluster.

Installation and service recommendations

During the installation of the steering wheel airbag in a Mercedes W204, it is essential to strictly follow safety procedures related to working with pyrotechnic systems – in particular, disconnecting the power supply, waiting for the recommended time, and using appropriate tools. It is recommended to have the installation performed by a specialized workshop that has the appropriate diagnostic software to check the SRS control unit after the work is completed. A properly installed airbag restores the full functionality of the passive safety system in the front zone of the vehicle.

Safety system expansion and parts offer

If you are planning a comprehensive repair or upgrade of the safety zone in your Mercedes and need other elements from the same group, such as additional airbags, seat belt tensioners, or crash sensors, check the available parts in the Other Mercedes category.

For drivers interested in comparing technical solutions used in different brands and segments, including advanced drivetrain and braking systems in sports cars, an article describing the structural differences between high-performance and standard versions may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.