Remove/Install Front Lower Wishbone/Control Arm- AR33.20-P-0510MFA

Model 118, 177, 243, 247 

Fig 1: Front Lower Wishbone/Control Arm Components Location - Model 247 (Shown On Model 177 On Left Side Of Vehicle)

Courtesy of MERCEDES-BENZ USA

Shown on model 177 on left side of vehicle 

	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 threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Remove/install
1	Remove corresponding wheel and tire assembly.		AR40.10-P-1102MFA
2	Remove bottom engine compartment paneling.	Model 118, 177, 247 with engine 260 with code M016 (Uprated engine) Model 118, 177, 247.7 with engine 139	AR61.20-P-1105MFR
		Model 118, 177, 247 with engine 260 except code M016 (Uprated engine) Model 118, 177, 247 with engine 282	AR61.20-P-1105MFA
		Model 118, 177, 247 with engine 608, 654	AR61.20-P-1105MFE
		Model 243	AR61.20-P-1105EQA
3	Remove rear section of front fender liner.	Model 118, 177, 247	AR88.10-P-1301MFA
		Model 243	AR88.10-P-1301EQA
4	Remove nut (3) and unhook torsion bar linkage.	Counterhold the ball head and do not use an impact wrench/driver. Otherwise the ball head gets damaged.
		Nut, torsion bar linkage to suspension strut/stabilizer bar	*BA32.35-P-1002-02A
5	Unclip retaining clip (6) from left front level sensor (B22/8) or right front level sensor (B22/9).	Model 118, 177, 247 with code 459 (Steel suspension with adjustable damping) with code 640 (SAE dynamic LED headlamps right-hand traffic) Model 118, 177, 247 with code 459 (Steel suspension with adjustable damping) with code 641 (Dynamic LED headlamps, left-hand traffic) Model 118, 177, 247 with code 459 (Steel suspension with adjustable damping) with code 642 (Dynamic LED headlamps, right-hand traffic) Model 243 with code 457 (Comfort suspension with adjustable damping) with code 631 (Static LED headlamps, left-hand traffic) Model 243 with code 457 (Comfort suspension with adjustable damping) with code 632 (Headlamps, LED, static, right-side traffic)
6	Remove nut (4) from supporting joint. Note on calculation of tightening torque when using insertion or socket tools with various effective lengths		AH00.00-P-0015-01CW
		Counterhold the ball head and do not use an impact wrench/driver. Otherwise, the ball head or sealing bellows (5) will be damaged. Model 118, 177, 247.0 Commercially available devices/tools  A combination wrench
		Nut, supporting ball joint/transverse control arm to steering knuckle	*BA33.15-P-1005-01F
		Model 243 Model 247.6/7 Counterholder	Fig 3
		Model 243 Model 247.6/7 Socket wrench	Fig 2
7	Remove bolts (7, 8).	Screw/bolt, transverse control arm bearing to front axle carrier	*BA33.15-P-1002-01F
		Screw/bolt, transverse control arm bearing to longitudinal member	*BA33.15-P-1003-01F
8	Remove anti-twist lock (9) at nut of screw (2).
9	Remove bolt (2).	Screw/bolt, transverse control arm to front axle carrier	*BA33.15-P-1001-01F
10	Remove transverse control arm (1) from front axle carrier.
	Check
11	Check seal bellows (5) on supporting joint.	If damage is present, ↓ Replace transverse control arm (1).
	Clean
12	Clean centering cone on supporting joint of transverse control arm (1).	There must be no oil or grease on the centering cone and on the thread.
13	Install in the reverse order.
	Measure
14	Perform chassis alignment.		AR40.20-P-0200MFA

Fig 2: Identifying Socket Wrench (247 589 00 09 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Counterholder (247 589 00 40 00)

Courtesy of MERCEDES-BENZ USA