Remove/install spring control arm, replace rubber bushing - AR35.20-P-0114NKB

MODEL 117, 156, 176, 242, 246

Shown on MODEL 242

Fig 1: Spring Control Arm Remove/Install Components - Shown On Model 242

Courtesy of MERCEDES-BENZ USA

Shown on model 246 without code M005 (4MATIC)

Fig 2: Spring Control Arm Remove/Install Components - Shown On Model 246 Without Code M005

Courtesy of MERCEDES-BENZ USA

	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Remove/install
1	Secure vehicle on vehicle lift		AR00.60-P-0100CW
2	Remove rear muffler (15)	Model 117, 156, 176, 242, 246 with engine 270	AR49.10-P-4952MT
		Model 117, 156, 176 with engine 133	AR49.10-P-7100MTA
		Model 176, 246 with engine 607	AR49.10-P-7100ORA
		Model 117, 156, 176, 246 with engine 651	AR49.10-P-7100OLB
3	Remove covering over rear axle	Model 242 with engine 780
3	Remove covering over rear axle	Model 242 with engine 780	AR61.30-P-1001NKB
4	Remove cover (16)	Model 117, 156, 176, 246 except code M005 (4MATIC) Model 242 with engine 270 except code M005 (4MATIC)
5	Unclip and remove cover (17)	Make sure that the cover (17) is seated correctly.
6	Remove left or right rear axle spring		AR32.20-P-0230NKB
7	Unscrew nuts (4) on spring control arm (3)	Nut, shock absorber to spring control arm	*BA32.25-P-1003-03J
		Self-locking nut, spring control arm to rear axle carrier	*BA35.20-P-1001-01D
		Self-locking nut, spring control arm to wheel carrier	*BA35.20-P-1002-01D
8	Raise spring control arm (3) on outboard side using major assembly mount and mounting plate
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
	000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 10 62 00 Support plate	Lift the spring control arm (3) just far enough so that the bolt (5) can be pulled halfway out of the spring control arm (3) free of tension.	WS26.00-P-3309B
9	Lower major assembly mount and mounting plate completely
10	Pull bolt (5) completely out of spring control arm (3)
11	Remove bolt (6) from spring control arm (3)
12	Remove bolt (7) from spring control arm (3)
13	Remove spring control arm (3)
14	Remove spring seat of spring control arm (3)	When replacing the spring control arm (3).
	Check
15	Check elastomer bearing in rear axle carrier for damage	If damage is present ↓ Replace elastomer bearing.
		If damage is present ↓ Replace elastomer bearing.	AR35.20-P-0114-01NKB
		Press-in dimension for spring control arm rubber bushing in rear axle carrier	*BE35.20-P-1001-03A
		Hollow piston cylinder	Figure
		Hydraulic hose (complete)	Figure
		Hand pump	Figure
		Extraction and insertion tool	Fig 3
16	Check elastomer bearing in steering knuckle for damage	Model 117, 156, 176 with engine 270, 607, 651 Model 242, 246 If damage is present ↓ Replace all elastomer bearings.
16	Check elastomer bearing in steering knuckle for damage		AR35.20-P-0123NKB
17	Check elastomer bearing in steering knuckle for damage	Model 117, 156, 176 with engine 133 If damage is present ↓ Replace stub axle.
17	Check elastomer bearing in steering knuckle for damage		AR33.25-P-0400NKB
18	Install in the reverse order
19	Perform wheel alignment check		AR40.20-P-0200NKB

CHECK VALUES FOR REAR AXLE RUBBER BUSHINGS

Number	Designation		Model 117 (except 117.352)	Model 117.352
BE35.20-P-1001-03A	Press-in dimension for spring control arm rubber bushing in rear axle carrier	mm	4, 5 (±0, 2)	4, 5 (±0, 2)

CHECK VALUES FOR REAR AXLE RUBBER BUSHINGS

Number	Designation		Model 156	Model 176 (except 176.052), 246
BE35.20-P-1001-03A	Press-in dimension for spring control arm rubber bushing in rear axle carrier	mm	4, 5 (±0, 2)	4, 5 (±0, 2)

CHECK VALUES FOR REAR AXLE RUBBER BUSHINGS

Number	Designation		Model 176.052	Model 242
BE35.20-P-1001-03A	Press-in dimension for spring control arm rubber bushing in rear axle carrier	mm	4, 5 (±0, 2)	4, 5 (±0, 2)

REAR AXLE SHOCK ABSORBER

Number	Designation		Model 117	Model 156
BA32.25-P-1003-03J	Nut, shock absorber to spring control arm	Nm	50	50

REAR AXLE SHOCK ABSORBER

Number	Designation		Model 242	Model 176, 246
BA32.25-P-1003-03J	Nut, shock absorber to spring control arm	Nm	50	50

SPRING CONTROL ARM

Number	Designation			Model 117	Model 156
BA35.20-P-1001-01D	Self-locking nut, spring control arm to rear axle carrier	Stage 1	Nm	50	50
BA35.20-P-1001-01D	Self-locking nut, spring control arm to rear axle carrier	Stage 2	∠°	90	90

SPRING CONTROL ARM

Number	Designation			Model 242	Model 176, 246
BA35.20-P-1001-01D	Self-locking nut, spring control arm to rear axle carrier	Stage 1	Nm	50	50
BA35.20-P-1001-01D	Self-locking nut, spring control arm to rear axle carrier	Stage 2	∠°	90	90

SPRING CONTROL ARM

Number	Designation			Model 117	Model 156
BA35.20-P-1002-01D	Self-locking nut, spring control arm to wheel carrier	Stage 1	Nm	50	50
BA35.20-P-1002-01D	Self-locking nut, spring control arm to wheel carrier	Stage 2	∠°	90	90

SPRING CONTROL ARM

Number	Designation			Model 242	Model 176, 246
BA35.20-P-1002-01D	Self-locking nut, spring control arm to wheel carrier	Stage 1	Nm	50	50
BA35.20-P-1002-01D	Self-locking nut, spring control arm to wheel carrier	Stage 2	∠°	90	90

Fig 3: Extraction And Insertion Tool (246 589 00 43 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Hydraulic Hose (Complete) (652 589 00 33 23)

Courtesy of MERCEDES-BENZ USA

Fig 5: Hand Pump (652 589 00 33 21)

Courtesy of MERCEDES-BENZ USA

Fig 6: Hollow Piston Cylinder (001 589 51 33 00)

Courtesy of MERCEDES-BENZ USA