Remove/install upper control arm - AR33.20-P-0500SXS

MODEL 221.1 with CODE (Z07) Top protection 

Fig 1: Identifying Upper Control Arm Remove/Install Components (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Upper Control Arm Remove/Install Components (2 Of 2)

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

13.10.09	Value modified: Self-locking nut of upper wishbone on front end, Stage 1		*BA33.20-P-1002-01M
	Value modified: Self-locking nut of upper wishbone on front end, Stage 2		*BA33.20-P-1002-01M

	Remove/install
1	Remove suspension strut (40)		AR32.25-P-1017SXS
2	Detach level sensor (B22/8 or B22/9) from upper transverse control arm (6)		AR82.10-P-0004SX
	Left upper transverse control arm
3	Unclip expansion reservoir (3) of power steering from bracket
4	Remove vacuum line (4) from brake booster
5	Undo nuts (6a) and remove bolts (6b) from upper transverse control arm (6).		*BA33.20-P-1002-01M
			Figure
			Figure
			Figure
6	Remove upper transverse control arm (6)
7	Check follower joint (8) and rubber boot for signs of damage	Replace upper transverse control arm (6) if necessary.
	Right upper transverse control arm
8	Remove starter battery (G1/4).		AR54.10-P-0008SX
9	Disconnect electrical connector (11)
10	Remove expansion reservoir (10) for coolant and place it along with the connected coolant lines to one side	Engine 275	AR20.30-P-4950SX
		Engine 629	AR20.30-P-4950SXD
11	Unscrew nuts (6a), pull out bolts (6b) and remove upper transverse control arm (6)		*BA33.20-P-1002-01M
			Figure
			Figure
			Figure
12	Check follower joint (8) and rubber boot for signs of damage	Replace upper transverse control arm (6) if necessary.
13	Install in the reverse order

WHEEL LOCATION, HUB

Number	Designation			Model 221 with code Z07/Z07+Z19
BA33.20-P-1002-01M	Self-locking nut of upper wishbone on front end	Stage 1	Nm	100
		Stage 2	∠°	180

Fig 3: Identifying Plug-In Joint Adapter (001 589 00 16 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Torque Tool Set (003 589 05 09 00)

Courtesy of MERCEDES-BENZ USA

Fig 5: Identifying Plug-In Wrench (003 589 06 09 00)

Courtesy of MERCEDES-BENZ USA