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Home >> Mercedes Benz >> 2013 >> S550 Base >> Repair and Diagnosis >> Electrical >> Body Electrical >> Electrical System, Equipment & Instructions - 221 Chassis - 4 Of 9 >> Testing & Repair >> Remove/install steering column module >> Remove/install steering column module - AR54.25-P-2802I

Remove/install steering column module - AR54.25-P-2802I

MODEL 215, 220, 230 

Fig 1: Identifying Steering Column Module Remove/Install Components
G10111187Courtesy of MERCEDES-BENZ USA

Shown on steering column switch module without voice control system 

Fig 2: Identifying Steering Column Module Remove/Install Components
G10111188Courtesy of MERCEDES-BENZ USA
MODIFICATION NOTES

25.11.08 Perform initialization of DTR control unit after replacing steering column tube module, added Step 8  
REMOVINGINSTALLING Remove/install     
1.1 Remove spiral contact coil (A45) Model 215, 220 without code (472) Electronic Stability Program (ESP) AR46.10-P-0200I
1.2 Remove steering angle sensor Model 230
Model 215, 220 with code (472) Electronic Stability Program (ESP)
AR46.10-P-0300I
2 Loosen internal Torx bolt (arrow) and remove steering column switch module (1) IMPORTANT Internal Torx bolt (arrow) is secured to prevent it falling out.  
3 Remove cover (2) and remove push button (S40/4) upwards out of steering column tube switch module (1) IMPORTANT On model 215 with code (813) Voice control system the voice control system switch and the push button (S40/4) form a common module and cannot be removed individually.
INSTALLATION IMPORTANT Ensure that the studs (3) are seated cleanly in the holes, by paying attention to the guides on the push button (S40).
 
4 Remove switch group or switch (S59/1) upwards out of the steering column tube switch module (1) INSTALLATION IMPORTANT Ensure that the studs (3) are seated cleanly in the holes, by paying attention to the guides on the switch group or switch (S59/1).  
5 Remove bolts (4) and remove combination switch (S4) upwards out of steering column switch module (1)    
6 Remove steering column module (N80) upwards out of steering column switch module (1)    
7 Install in the reverse order    
8 Perform initialization of DTR control unit with STAR DIAGNOSIS After replacing steering column tube module (N80) on vehicles with code (219) Distronic (DTR)