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

MODEL 166, 172, 212, 218

Shown on model 212

Fig 1: Identifying Steering Column Module Remove/Install Components - Shown On Model 212

Courtesy of MERCEDES-BENZ USA

Shown on model 212

Fig 2: Identifying Steering Column Module Remove/Install Components - Shown On Model 212

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Perform initial startup of steering column tube module (1)	Only when replacing steering column tube module (1).
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
2	Remove steering wheel		AR46.10-P-0100EW
3	Pry off cover for jacket tube (5) from steering column tube module (1)	MODEL 212, 218 Pry the frame of the steering column tube covering (5) at the latches (arrow) using long wedge off the steering column tube module (1).
3		Long wedge	Figure
4	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 unit. It is one component and can only be removed or replaced complete. When the steering column tube module (1) is in the correct installation position, the assembly indicator (3) is retracted. When installing a new steering column tube module (1) the transportation lock (2) must be broken off once mounted.
5	Unclip cable duct with electrical line from frame of steering column tube covering (5)	MODEL 212, 218
6	Disconnect electrical connection on steering column tube module (1)		AR54.25-P-2802-02CW
		The locking clip for the electrical connector is destroyed here and it has to be replaced.
7	Install in the reverse order
8	Perform initialization of DTR control unit	MODEL 166, 172, 218 with CODE 233 (DISTRONIC PLUS) MODEL 212 with CODE 233 (DISTRONIC PLUS) up to model year 2013
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
		The DTR control unit is only initialized after the steering column tube module (1) has been replaced.

Fig 3: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA