Remove/Install Rack-And-Pinion Steering - AR46.20-P-0600FR

Model 257 

Fig 1: Rack-And-Pinion Steering Component Location - Model 257 Except Code M005

Courtesy of MERCEDES-BENZ USA

Shown except CODE M005 (4MATIC) 

Fig 2: Rack-And-Pinion Steering Component Location - Model 257 With Code M005

Courtesy of MERCEDES-BENZ USA

Shown with code M005 (4MATIC) 

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	Remove/install
1	Deactivate easy entry/exit feature	Model 257 with code 275 (Memory Package (driver's seat, steering column and mirror))
2	Move steering wheel forward and upward
3	Turn steering wheel to central position (front wheels in straight ahead position) and secure with the retaining device	The steering wheel must not be turned when the steering coupling is removed. Otherwise the clock spring contact will be destroyed. Retainer device	Fig 4
4	Remove front wheels		AR40.10-P-1102A
5	Remove rear and center section of lower engine compartment paneling		AR61.20-P-1105FR
6	Detach tie rods from steering knuckles		AR46.40-P-0200FR
	Risk of injury  . Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of mechanical components when moving components.	AS00.00-Z-0009-01A
7	Disconnect steering coupling from steering shaft	Separate and connect steering coupling	AR46.10-P-8000-01FR
		Move rack-and-pinion steering (3) to center position Before connecting the steering coupling, it must be ensured that the rack-and-pinion steering (3) is in the center position.	AR46.20-P-0500-01FR
		Engine mount wrench set	Fig 3
8	Separate electrical connections (1)
9.1	Remove bracket for steering electrical wiring harness (2) on left mounting plate (7) and on front axle carrier and place to one side	Model 257 except code M005 (Vehicles with 4MATIC/all-wheel drive)
9.2	Open cover (8) at connecting point and fold to one side	Model 257 with code M005 (Vehicles with 4MATIC/all-wheel drive)
10	Support rack-and-pinion steering (3) and secure to prevent it from falling down
11	Unscrew bolts (4, 5, 6) and remove rack-and-pinion steering (3)	Replace the bolts (4, 5, 6) and mounting plates (7). Fit the bolts (4, 5, 6) first, and then tighten in the following sequence: Bolts (4), bolts (5), bolts (6).
		Bolt, electric rack-and-pinion steering to front axle carrier	*BA46.20-P-1001-01Q
		Screw/bolt, rack-and-pinion steering mounting plate to front axle carrier	*BA46.20-P-1002-01Q
12	Remove retaining clip for bracket for steering electrical wiring harness (2)	Model 257 except code M005 (Vehicles with 4MATIC/all-wheel drive) When replacing the rack-and-pinion steering (3).
13	Detach steering coupling from rack-and-pinion steering (3)	When replacing the rack-and-pinion steering (3).	AR46.10-P-8000FR
	Check
14	Check rack-and-pinion steering (3) Evaluating steering gear when repairing accident vehicles	After repairing an accident vehicle. If a problem arises ↓ Replace rack-and-pinion steering (3).	AH46.20-P-9409-01A
15	Install in the reverse order
16	Enter new steering gear number of rack-and-pinion steering (3) in on-line vehicle data card using Vehicle Documentation system (VeDoc)	When replacing the rack-and-pinion steering (3). Redocumentation is absolutely essential.
17	Perform wheel alignment check		AR40.20-P-0200FR

Fig 3: Identifying Engine Mount Wrench Set (001 589 01 16 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Retainer Device (129 589 01 21 00)

Courtesy of MERCEDES-BENZ USA