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Home >> Mercedes Benz >> 2010 >> SL550 >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> Body Electrical -- Testing & Repair -- 230 Chassis >> Testing & Repair >> Remove/install button unit on multifunction steering wheel - AR54.25-P-2840R

Remove/install button unit on multifunction steering wheel - AR54.25-P-2840R

MODEL 230.4 as of 29.1.08 

MODEL 230.4 with CODE (809) Model year 2009 

Fig 1: Remove/Install Button Unit On Multifunction Steering Wheel - With Code (809)
G00542753Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove driver air bag unit (1)   AR91.60-P-0660RA
2 Undo screws (2) and remove left multifunction steering wheel button group (S110) far enough from the driver air bag unit (1) until the electrical connector (4) is accessible When removing the left multifunction steering wheel button group (S110).  
3 Undo screws (3) and remove right multifunction steering wheel button group (S111) far enough from the driver air bag unit (1) until the electrical connector (5) is accessible When removing the right multifunction steering wheel button group (S111).  
4 Unplug electrical connector (4 or 5) and remove left multifunction steering wheel button group (S110) or right multifunction steering wheel button group (S111) from driver airbag unit (1).    
5 Install in the reverse order