Remove/install torsion bar on front axle - AR32.20-P-0300B

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

MODEL 140

Fig 1: Identifying Torsion Bar On Front Axle Remove/Install Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/Install
	Replace self-locking nuts
1	Unscrew nuts (23a)		*BA32.20-P-1002-02B
2	Remove bracket (21b).	Nut (21d)	*BA32.20-P-1003-02B
3	Remove torsion bar (10).	Installation: center the torsion bar (10).
4	Pull rubber mounts (21a) off torsion bar (10).	Installation: grease inner side of rubber mount (21a) with lubricant.	*BR00.45-Z-1002-06A
5	Remove molding (21g) from front axle carrier.
6	Remove connecting rod (23).	If necessary following predefined repair plan.	↓
		Remove front axle fixed or floating caliper.	AR42.10-P-1600DM
		Remove brake disc on front axle.	AR42.10-P-0220A
		Unscrew nut (23b) half way down thread. Apply light blows to the nut (23b) using a hammer to loosen the taper of the link rod (23) in the steering knuckle (33). Remove connecting rod (23). Check joints and rubber cup seals of connecting rod (23) and replace connecting rod if necessary.
		Nut (23b)	*BA32.20-P-1001-02B
7	Reverse the removal sequence to install.

FRONT AXLE TORSION STRUT

Number	Designation			Model 140 up to 10/95	Model 140 as of 10/95
BA32.20-P-1001-02B	Self-locking nut, connecting rod to steering knuckle		Nm	40	40
BA32.20-P-1002-02B	Self-locking nut, connecting rod to torsion strut	M10	Nm	70	80
		M10x1.5	Nm	-	-
		M12x1.5	Nm	-	-
		M14x1.5	Nm	-	-
BA32.20-P-1003-02B	Self-locking nut, torsion bar bracket to front axle carrier		Nm	20	20

Repair materials

Number	Designation	Order number
BR00.45-Z-1002-06A	Lubricant	A 000 989 01 60