Remove/install steering column tube - AR46.10-P-0400GZ

MODEL 164 

Shown on model 164.1 with electrically adjustable steering column, code 441 

Fig 1: Identifying Steering Column Tube Components (1 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Steering Column Tube Components (2 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Shown on model 164.1 with electrically adjustable steering column, code 441 

Shown on model 164.1 with electrically adjustable steering column, code 441 

Fig 3: Identifying Steering Column Tube Components (3 Of 3)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	Risk of injury  caused by performing testing or repair work on airbag or emergency tensioning retractor units.	Store airbag units with deployment side facing up; do not expose to temperatures greater than 100°C. When working on these units, disconnect the power supply.	AS91.00-Z-0001-01A
	Information on preventing damage to electronic components due to electrostatic discharge	All models	AH54.00-P-0001-01A
	Notes on self-locking nuts and bolts	All models	AH00.00-N-0001-01A
1	Position steering wheel horizontal	Front wheels in straight-ahead position.
2	Separate steering coupling at the steering shaft	Working in the engine compartment: Only detach the upper connection between the drag link and center steering shaft (4). Place the drag link out of the working area. See ↓
		Remove steering coupling Installation:  Replace bolt	AR46.10-P-8000GZ
3	Move the steering column in to the full extent and move out the driver seat to the full extent
	Risk of explosion  caused by oxyhydrogen gas. Risk of poisoning and caustic burns  caused by swallowing battery acid. Risk of injury  caused by burns to skin and eyes from battery acid or when handling damaged lead-acid batteries	No fire, sparks, open flames or smoking. Wear acid-resistant gloves, clothing and glasses. Only pour battery acid into suitable and appropriately marked containers.	AS54.10-Z-0001-01A
4	Disconnect battery ground line		AR54.10-P-0003GZ
5	Remove driver airbag unit		AR91.60-P-0660GZ
6	Remove steering wheel		AR46.10-P-0100GZ
7	Remove instrument cluster		AR54.30-P-6015GZ
8	Remove jacket tube switching module		AR54.25-P-2800-01TX
9	Remove cover below dashboard on left		AR68.10-P-1500GZ
10	Detach electrical connector (3) downwards off steering column tube (1)	Press catch tabs (arrows A) and unlatch electrical connector (3) downwards (arrow B). Installation:  Ensure that the electrical connector (3) is latched properly and is aligned. Otherwise the steering column tube module cannot be installed.
11	Pull off air outlet nozzle (5)
12	Disconnect lower electrical connectors (2) from steering column tube (1)	On vehicles with electrically adjustable steering column, code 441.
13	Remove bolt (6) from rear of steering column tube (1)	Support the steering column tube (1).
			*BA46.10-P-1002-03J
14	Remove bolts (7)	Support the steering column tube (1).
			*BA46.10-P-1001-03J
15	Detach steering column tube (1) carefully from the dashboard at the positioning spigots (8) and pull forwards slightly (arrows C and D), in the process guide the center steering shaft (4) out of the shaft bearing (10) (arrow G)	Do not damage positioning spigot (8). Installation:  Align center steering shaft (4) with the contact surface (11) in the shaft bearing (10). Installation:  Do not exert any pressure on the shaft bearing (10) with the center steering shaft (4) otherwise this can be pressed out of the partition wall.
16	Push the steering column tube (1) and center steering shaft (4) carefully back into the dashboard and remove downwards out of the dashboard (arrows E and F)	Removal:  For better removal, fold brake pedal upwards, press bolt out of the brake pedal beforehand. See ↓
		Remove/install brake pedal Do not damage components in the dashboard.	AR29.10-P-4597GZ
17	Install in the reverse order
18	Perform basic programming		AR00.19-P-0200GZ