Remove/install the suspension strut

AR32.25-P-1017FR

12.09.2018

Model	257, 290
	except code 489 (AIR BODY CONTROL)

Shown on model 257 except code M005 (4MATIC) on left side of vehicle

1	Cable duct
2	Suspension strut
3	Steering knuckle
4	Upper transverse control arm
5	Spring control arm
6	Screw

P32.25-2334-06

Shown on model 257 with code M005 (4MATIC) on left side of vehicle

2	Suspension strut
10	Brake hose
11	Bracket
13	Electrical lines
14	Bracket

P32.25-2349-03

P32.25-2423-09

7	Cover		9	Nuts
8	Cover

 Warning	Risk of injury. Moving parts can pinch, crush or, in extreme cases even sever extremities.	No parts of the body or limbs should be within the operating area of mechanical components when moving components.	AS00.00-Z-0009-01A
Topical note	Notes on handling, transport and storage of composite brake disks		AH42.10-P-9406-12LF
Topical note	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
Topical note	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	Remove front wheel.		AR40.10-P-1102A
2	Open cable duct (1) at suspension strut (2) and place to one side with connected lines.
3	Unhook brake hose (10) from holders (11).	Model 257 with code M005 (4MATIC) except code 489 (AIR BODY CONTROL) Model 290 except code 489 (AIR BODY CONTROL)
4	Unhook electric lines (13) from holder (14) and place to one side.	Model 257 with code M005 (4MATIC) except code 489 (AIR BODY CONTROL) Model 290 except code 489 (AIR BODY CONTROL)
5	Remove suspension strut (2) from spring link (5).	 Installation: Observe insertion direction of bolt (6). Bolt (6) must be inserted from the rear towards the front. Otherwise the brake or the rim may be damaged.
		 Nut, suspension strut to spring control arm	*BA32.25-P-1002-04P
6	Secure steering knuckle (3) against falling down.
7	Remove upper transverse control arm (4) from steering knuckle (3).	Model 290 except code 489 (AIR BODY CONTROL)	AR33.20-P-0500FRX
		Model 257 except code 489 (AIR BODY CONTROL)	AR33.20-P-0500FR
8.1	Remove cover (7).	When removing right suspension strut (2).
8.2	Remove cover (8).	When removing the left suspension strut (2).
9	Unscrew nuts (9).	 Nut, strut to body	*BA32.25-P-1001-04P
10	Remove suspension strut (2) downwards.	 Carefully remove suspension strut (2). Otherwise the spring control arm strut on the spring control arm (5) may be damaged.
	Check
11	Check condition of suspension strut (2).	In the event of a problem,
		
		Replace damaged parts on suspension strut (2).
			AR32.25-P-1018FR
12	Check condition of suspension strut joint at spring link (5).	In the event of a problem,
		
		Replace spring link (5).
		Model 290 except code 489 (AIR BODY CONTROL)	AR33.15-P-0170FRX
		Model 257 except code 489 (AIR BODY CONTROL)	AR33.15-P-0170FR
13	Install in the reverse order.
14	Check and correct headlamp adjustment.	When replacing components.
		Model 290 except code 489 (AIR BODY CONTROL)	AP82.10-P-8260O
		Model 257 except code 489 (AIR BODY CONTROL)	AP82.10-P-8260L

 Suspension struts

Number	Designation		Model 257	Model 290
BA32.25-P-1001-04P	Nut, strut to body	Nm	50	50

 Suspension struts

Number	Designation			Model 257	Model 290
BA32.25-P-1002-04P	Nut, suspension strut to spring control arm	Stage 1	Nm	95	95
		Stage 2	°	45	45

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