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This steering wheel contact ring, also known as an airbag slip ring, maintains electrical continuity between the steering column and the airbag system as the wheel rotates. Essential for safe SRS operation, it carries signals without interruption regardless of steering input. OEM codes A4545450326, MR979369, and PMR9793 confirm fitment on Smart FORFOUR (454) models from 2004–2006 with the 1.3-litre petrol engine. The unit shows no visible damage; verify OEM compatibility before ordering to ensure correct installation.
This steering wheel contact ring, also known as an airbag slip ring, maintains electrical continuity between the steering column and the airbag system as the wheel rotates. Essential for safe SRS operation, it carries signals without interruption regardless of steering input. OEM codes A4545450326, MR979369, and PMR9793 confirm fitment on Smart FORFOUR (454) models from 2004–2006 with the 1.3-litre petrol engine. The unit shows no visible damage; verify OEM compatibility before ordering to ensure correct installation.
