Remove/Install Steering Column Module - AR54.25-P-2802EW

Model 166, 172, 212, 218, 292 

Shown on model 212 

Courtesy of MERCEDES-BENZ USA

Shown on model 212 

Courtesy of MERCEDES-BENZ USA

	Remove
1	Remove steering wheel		AR46.10-P-0100EW
2	Pry off steering column tube cover (5) from steering column tube module (1) at catches (arrows)	Model 212, 218 Long wedge	Fig 1
3	Remove steering column tube module (1) from steering column tube	Do not operate the red safety catches in the steering column tube module (1). Otherwise irreparable damage will be caused to the fanfare horns and airbag clock spring contact. The steering column tube module (1) contains the fanfare horns and airbag clock spring contact, the steering angle sensor, the steering column tube module control unit and the switch panel. It is one component and can only be removed or replaced complete.
4	Unclip cable duct with electrical line from frame of steering column tube cover (5)	Model 212, 218
5	Disconnect electrical connection from steering column tube module (1) and remove steering column tube module (1)	The locking clip for the electrical connector is destroyed here and it has to be replaced.	AR54.25-P-2802-02CW
	Install
6	Clip cable duct with electrical line into frame of steering column tube cover (5)	Model 212, 218
7	Connect electrical connection to steering column tube module (1) and position steering column tube module (1)	When the steering column tube module (1) is in the correct installation position, the assembly indicator (3) is retracted.
8	Break off transport protection (2)	When installing a new steering column tube module (1).
9	Press steering column tube cover (5) onto steering column tube module (1)	Model 212, 218
10	Install steering wheel		AR46.10-P-0100EW
	Initial startup
11	Perform initialization of DTR control unit	The DTR control unit is only initialized after the steering column tube module (1) has been replaced.
			AD00.00-P-2000-04A
12	Perform initial startup of steering column tube module (1)	Only when replacing steering column tube module (1).
			AD00.00-P-2000-04A

Fig 1: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA