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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension - 222 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Rear Suspension Strut >> Remove/Install Rear Suspension Strut - AR32.25-P-1016LFA

Remove/Install Rear Suspension Strut - AR32.25-P-1016LFA

Model 217 

With Code 487 (Active Body Control (ABC)) 

Model 222 

With Code 487 (Active Body Control (ABC)) 

G15367081Courtesy of MERCEDES-BENZ USA

MODEL 222 

G15367082Courtesy of MERCEDES-BENZ USA

MODEL 222 

Shown on model 222 

G15367083Courtesy of MERCEDES-BENZ USA
Fig 1: Rear Suspension Strut Components Location - Model 222 With Code 487
G15367084Courtesy of MERCEDES-BENZ USA

Shown on model 222 

WARNING Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid. Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
  Notes on Active Body Control suspension   AH32.50-P-0001-01N 
  Notes on repair work on suspension components   AH00.00-P-0100-01A
REMOVINGINSTALLING Remove/install     
1 Release pressure in ABC system using diagnostic system   AR32.50-P-0001-01LF 
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2.1 Remove rear shelf Model 217.3
with code 487 (Active Body Control (ABC))
 
      AR68.30-P-4581LC
2.2 Remove paneling of C-pillar upper section Model 222
with code 487 (Active Body Control (ABC))
 
    Model 222.9
with code 487 (Active Body Control (ABC))
AR68.30-P-4490LFA
    Model 222.0/1
with code 487 (Active Body Control (ABC))
AR68.30-P-4490LF
3 Unclip speaker cover Model 222
with code 487 (Active Body Control (ABC))
 
4 Remove speaker (1) Model 222
with code 487 (Active Body Control (ABC))
with code 810 (Premium sound system)
Model 222
with code 487 (Active Body Control (ABC))
with code 811 (High-End sound system)
 
5 Remove plug (2) Model 222
with code 487 (Active Body Control (ABC))
 
6 Separate soundproofing (3) at perforation (arrow A) using screwdriver and remove section Model 222
with code 487 (Active Body Control (ABC))
INSTALLATION NOTES
Install the soundproofing (3) or section correctly.
Acoustic problems can otherwise occur.
 
7 Cut service flap (4) into rear shelf at perforation (arrow B) and fold inward Model 222
with code 487 (Active Body Control (ABC))
 
8 Tear open soundproofing (3) over belt retractor at perforation (arrow C) and push toward rear Model 222
with code 487 (Active Body Control (ABC))
 
    INSTALLATION NOTES
Install the soundproofing (3) correctly.
Acoustic problems can otherwise occur.
 
9 Disconnect electrical connector (5) from suspension strut (7)    
10 Detach corresponding complete wheel   AR40.10-P-1102A
11 Detach trim (8) behind suspension strut (7) and push to side    
12 Detach line bracket (9)    
13 Disconnect hydraulic line from connecting point (10) and seal lines using suitable stop
plugs
  AR32.50-P-0024SX 
    SPECIAL TOOL Record plug Fig 3
    SPECIAL TOOL Detaching tool Fig 2
14 Detach cover from spring link (11)    
15 Detach suspension strut (7) from spring link (11)   AR35.20-P-0114LF
    INSTALLATION IMPORTANT Make sure that the suspension strut (7) is installed at the correct position on the spring link (11).  
    TORQUE SPECIFICATION Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))
except code Z07 (B7 armoring on special protection version) Nut, suspension strut at rear to spring control arm
*BA32.25-P-1005-04O 
16 Unfasten threaded connection securing spring control arm (11) to rear axle carrier (12) IMPORTANT Do not detach spring control arm (11) from rear axle carrier (12).  
    TORQUE SPECIFICATION Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))
except code Z07 (B7 armoring on special protection version) Bolt/nut, spring control arm to rear axle carrier
*BA35.20-P-1001-01H 
17 Detach bracket with torsion bar linkage of level sensor from spring control arm (11)   AR35.20-P-0114LF
18 Detach spring link (11) from wheel carrier (13) INSTALLATION IMPORTANT Replace bolt.  
    TORQUE SPECIFICATION Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC)) except code Z07 (B7 armoring on special protection version) Bolt/nut, spring control arm to wheel carrier
*BA35.20-P-1002-01H 
19 Fold down spring control arm (11) NOTES
Carefully fold down spring control arm (11). Otherwise, the wheel carrier (13) will be damaged.
 
20 Lower vehicle slightly NOTES
Do not lower vehicle too far.
Otherwise, the folded-down spring control arm (11) will be damaged.
 
21 Unscrew nuts (6) from suspension strut (7) and remove suspension strut (7) with cover (8) from below INSTALLATION IMPORTANT Make sure that the cover (8) is installed at the correct position.  
    IMPORTANT Aid of helper required.  
    SPECIAL TOOL Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))
except code Z07 (B7 armoring on special protection version) Screw/nut, suspension strut at rear to body
*BA32.25-P-1004-04O 
22 Remove cover (8) from suspension strut (7) When replacing the suspension strut (7)  
  Check     
23 Check suspension strut (7) When reinstalling suspension strut (7)
If suspension strut (7) is damaged:

Replace suspension strut (7).
 
24 Dispose of damaged suspension strut (7) correctly When replacing the suspension strut (7)
IMPORTANT Observe disposal regulations.
 
25 Install in the reverse order    
26 Fill and bleed ABC system   AR32.50-P-0021SX 
27 Calibrate stroke of suspension strut (7)   AR40.20-P-0301LF
    IMPORTANT Whenever a suspension strut is replaced, calibration using the diagnostic system must be performed in the menu "Control units - Adaptation/Teach-in processes".  
SUSPENSION STRUTS

Number Designation Model 217 Model 222 except code Z07 (B7 armoring on special protection version)
BA32.25-P-1004-04O Screw/nut, suspension strut at rear to body Stage 1 Nm 50 50
Stage 2 Nm - -
SUSPENSION STRUTS

Number Designation Model 217 Model 222 except code Z07 (B7 armoring on special protection version)
BA32.25-P-1005-04O Nut, suspension strut at rear to spring control arm Stage 1 Nm 150 150
Stage 2 ∠° 45 45
SPRING CONTROL ARM

Number Designation Model 217 MODEL 222 except CODE Z07
BA35.20-P-1001-01H Bolt/nut, spring control arm to rear axle carrier Stage 1 Nm 60 60
Stage 2 ∠° 90 90
SPRING CONTROL ARM

Number Designation Model 217 MODEL 222 except CODE Z07
BA35.20-P-1002-01H Bolt/nut, spring control arm to wheel carrier Stage 1 Nm 80 80
Stage 2 ∠° 90 90
Fig 2: Identifying Detaching Tool (221 589 01 33 00)
G12078800Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Record Plug (129 589 00 91 00)
G12078802Courtesy of MERCEDES-BENZ USA