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Battery, Data Bus, Display, Fuses, Relays & Sensors -- Basic Knowledge -- 230 Chassis
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Steering column module, position/task/design/function - GF54.21-P-4104R
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Steering column module position - GF54.21-P-4104-01R
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Steering column module position - GF54.21-P-4104-01R
Fig 1: Identifying Steering Column Module
Courtesy of MERCEDES-BENZ USA