Remove/Install The Suspension Strut - AR32.25-P-1017LWL

Model 205 

with code 489 (AIRMATIC) 

Model 213 

with code 489 (AIRMATIC) 

Model 253 

with code 489 (AIR BODY CONTROL) 

22.03.2019

Remove holder from spring link and place to one side with lines connected, added.

Operation step 4.2

Shown on model 205 with CODE M005 (4MATIC) 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown on model 205 

Shown on model 213 with code M005 (4MATIC) except code 830 (China version) 

Courtesy of MERCEDES-BENZ USA

	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
	Notes on handling, transport and storage of composite brake disks		AH42.10-P-9406-12LF
	Notes on handling, transport and storage of ceramic brake disks		AH42.10-P-9406-13A
	Notes on threaded connections fastened using a tightening angle-based tightening process		AH00.00-P-0020-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
	Notes on repair work on suspension components		AH00.00-P-0100-01A
	Notes on AIRmatic		AH32.22-P-1000-02LW
	Remove/install
1	Vent pressure in AIRMATIC system using vehicle diagnosis system.
			AD00.00-P-2000-04B
2	Remove front wheel.		AR40.10-P-1102A
3	Disconnect electrical connectors (1) at suspension strut (2).	The electrical connectors (1) can, depending on the vehicle model and equipment be located as shown in the lower area of the suspension strut (2) or at the top near the pressure line connection (11).
4.1	Remove holder (3) at suspension strut (2) and place to one side with connected lines.	Model 205 with code 489 (AIRMATIC) except code M005 (4MATIC) Model 213 with code 489 (AIRMATIC) except code M005 (4MATIC) Model 253 with code 489 (AIR BODY CONTROL) except code M005 (4MATIC)
4.2	Remove holder (3) from spring link (5) and place to one side with connected lines.	Model 205 with code 489 (AIRMATIC) with code M005 (4MATIC) Model 213 with code 489 (AIRMATIC) with code M005 (4MATIC) Model 253 with code 489 (AIR BODY CONTROL) with code M005 (4MATIC)
5	Unhook brake hose (4) from holders at suspension strut (2).
6	Unscrew nut (15) and remove vibration damper (16).	Model 213 with code 489 (AIRMATIC) with code M005 (4MATIC) except code 830 (China version) If installed.
		Vibration damper to threaded pin	*BA32.25-P-1004-04P
7	Remove suspension strut (2) at spring link (5).	Installation:  Model 205 with code 489 (AIRMATIC) Model 213 with code 489 (AIRMATIC) with code 830 (China version) Model 253 with code 489 (AIR BODY CONTROL) Bolt (6) must be inserted from the rear towards the front. Otherwise the brake or the rim may be damaged. Model 213 with code 489 (AIRMATIC) except code 830 (China version) Installation:  The screw (6) must be replaced by a threaded pin (17). The threaded pin (17) must be inserted from front to rear.
		Nut, suspension strut to spring control arm	*BA32.25-P-1002-04P
8	Secure steering knuckle (7) against folding down.
9	Unscrew nut of steering knuckle (7) on upper transverse control arm (8).	Counterhold the ball head and do not use an impact wrench/driver. Otherwise, the ball head or steering knuckle (7) will be damaged.
		Nut, steering knuckle to transverse control arm	*BA33.20-P-1006-01U
10	Remove upper transverse control arm (8) from steering knuckle (7).
11	Remove cover (9).	When removing right suspension strut (2).
12	Open service flap (10).	Model 205 with code 489 (AIRMATIC) When removing the left suspension strut (2).
13	Remove wiper arms.	Model 205 with code 489 (AIRMATIC) If the removed service flap (10) does not provide access to the nuts (12). When removing the left suspension strut (2).
			AR82.30-P-6100LW
14	Remove cover under wiper arms.	Model 205 with code 489 (AIRMATIC) If the removed service flap (10) does not provide access to the nuts (12). When removing the left suspension strut (2).
15	Remove left rear top cover in engine compartment.	Model 213 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL) When removing the left suspension strut (2).
16	Remove pressure line connection (11) at suspension strut (2).	: The thread on the compressed air line connection (11) may not be damaged. Otherwise, leaks will occur.
		Model 205 with code 489 (AIRMATIC) Model 253 with code 489 (AIR BODY CONTROL) Pressure line to front suspension strut/valve unit	*BA32.22-P-1006-03G
		Model 213 with code 489 (AIRMATIC) Pressure line to air suspension	BA32.22-P-1006-03H
		Torque tool set	Fig 3
		Torque wrench	Fig 4
		If thread is damaged, ↓ Repair compressed air line connection (11).
			AR32.22-P-2001-01LW
		Knife	Fig 5
17	Seal pressure line connection (11) and opening at suspension strut (2) with suitable stop plugs.	Record plug	Fig 2
18	Remove nuts (12).	Nut, strut to body	*BA32.25-P-1001-04P
19	Remove suspension strut (2) downwards.	Carefully remove suspension strut (2). Otherwise the suspension strut joint can be damaged by the spring control arm (5). When extending suspension strut (2), do not tension the brake hose (4). Otherwise the brake hose (4) may be damaged.
	Check
20	Check condition of suspension strut joint at spring link (5).	If damage or wear is present, ↓ replace spring link (5).
			AR33.15-P-0170LW
21	Check condition of suspension strut (2).	In the event of a problem, ↓ Replace suspension strut (2).
22	Measure length of new suspension strut (2) and compare dimension with value in leaflet.	When replacing suspension strut (2). In the event of a problem, ↓ Do not use suspension strut (2) and order a suitable suspension strut (2).
23	Modify line bracket at suspension strut (2).	When replacing suspension strut (2).
		Pliers	Fig 1
24	Install in the reverse order
	Check
25	Read out and delete fault memory using vehicle diagnosis system.
			AD00.00-P-2000-04B
26	Check AIRMATIC in area of suspension strut (2) for leak tightness.		AR32.22-P-8100LW
27	Check headlamp adjustment.	When replacing the suspension strut (2) or the spring control arm (5).
		Model 213 with code 489 (AIRMATIC)	AP82.10-P-8260J
		Model 205 with code 489 (AIRMATIC)	AP82.10-P-8260E
		Model 253 with code 489 (AIR BODY CONTROL)

Number	Designation		Model 205	Model 253
BA32.22-P-1006-03G	Pressure line to front suspension strut/valve unit	Nm	2	2

Number	Designation			Model 213
BA32.22-P-1006-03H	Pressure line to air suspension	Front axle	Nm	2
		Rear axle	Nm	3, 5

Number	Designation		Model 205	Model 213
BA32.25-P-1001-04P	Nut, strut to body	Nm	50	50

Number	Designation		Model 253
BA32.25-P-1001-04P	Nut, strut to body	Nm	50

Number	Designation			Model 205	Model 213
BA32.25-P-1002-04P	Nut, suspension strut to spring control arm	Stage 1	Nm	95	95
		Stage 2	∠°	45	45

Number	Designation			Model 253
BA32.25-P-1002-04P	Nut, suspension strut to spring control arm	Stage 1	Nm	95
		Stage 2	∠°	45

Number	Designation		Model 213
BA32.25-P-1004-04P	Vibration damper to threaded pin	Nm	50

Number	Designation			Model 205	Model 213
BA33.20-P-1006-01U	Nut, steering knuckle to transverse control arm	Stage 1	Nm	50	50
		Stage 2	∠°	45	45

Number	Designation			Model 253
BA33.20-P-1006-01U	Nut, steering knuckle to transverse control arm	Stage 1	Nm	50
		Stage 2	∠°	45