(Remove/Install Steering Coupling - AR46.10-P-8000RK)

Model 222 up to 4/29/14 

Model 231 

Shown on Model 222 

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of death  when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)	Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.	AS00.00-Z-0035-01A
	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
1	Perform disable for the high-voltage on-board electrical system	Model 222.004/057/104/157/163 up to 4/29/14 Model 222	AR54.10-P-1150LF
2	Remove the central and front sections of the lower engine compartment paneling	Model 222 up to 4/29/14	AR61.20-P-1105LF
		Model 231	AR61.20-P-1105RK
3	Unscrew bolt (1)	Turning rack-and-pinion steering to center position and fitting steering coupling Note reference for installing rack-and-pinion steering. Bolt, steering coupling to rack-and-pinion steering	AR46.20-P-0600-01RK  *BA46.10-P-1002-01M
4	Deactivate easy entry/exit function for driver's seat and steering wheel	Model 222 up to 29.04.14, model 231 with code 275 (Memory Package (driver's seat, steering column and mirrors))
5	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 (2) is detached. Otherwise the clock spring contact will be destroyed. Retainer device	Fig 1
6	Remove bolt (3) and place heat shield (4) down towards the front	If necessary
7	Remove bolt (7) and remove steering coupling (2) from bottom steering shaft (5)	Nut/bolt, steering coupling to steering shaft	*BA46.10-P-1001-01M
8	Pull the lower steering shaft (5) upward to extract it from the steering coupling (2)	Do not use force (hammer blows, excessive leverage). Otherwise the lower steering shaft (5) may be damaged.
9	Detach steering coupling (2) from rack-and-pinion steering and remove
10	Detach locking plate (6) from steering coupling (2)	Insert new, self-locking nut into existing locking plate (6). The locking plate (6) is not available as a replacement part.
11	Install in the reverse order

STEERING SHAFT

Number	Designation		Model 222	Model 231
BA46.10-P-1001-01M	Nut/bolt, steering coupling to steering shaft	Nm	30	30

STEERING SHAFT

Number	Designation		Model 222	Model 231
BA46.10-P-1002-01M	Bolt, steering coupling to rack-and-pinion steering	Nm	24	24

Fig 1: Identifying Retainer Device (129 589 01 21 00)

Courtesy of MERCEDES-BENZ USA