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Home >> Mercedes Benz >> 2018 >> SLC43 AMG >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension - 172 Chassis >> Testing & Repair >> Disassemble/Assemble Suspension Strut - AR32.25-P-1018CW

Disassemble/Assemble Suspension Strut - AR32.25-P-1018CW

MODEL 172, 204, 207 

MODEL 212, 218 except CODE (489) AIRMATIC (air suspension with continuous damper adjustment) 

G13845731Courtesy of MERCEDES-BENZ USA
REMOVING Removing     
Risk of injury  caused by pinching or crushing when working on springs or spring bodies that are under tension Use only approved tensioning devices; shield off hazard area if necessary.
Inspect special tools for damage and proper operation (visual inspection).
Wear protective gloves.		 AS00.00-Z-0001-01A
1 Remove suspension strut (40) MODEL 172, 204, 207 AR32.25-P-1017CW 
Model 212, 218 AR32.25-P-1017EW
DISASSEMBLINGASSEMBLING Disassemble/assemble    
2 Clamp tensioning device (01) in vise, insert clamping plates and tension front spring (1)   AR32.20-P-0200-05CW 
SPECIAL TOOL Tensioning device Fig 2
SPECIAL TOOL Adapter plate Model 172 Fig 1
SPECIAL TOOL Clamping plate Model 172, Model 204, 207, Model 212, 218 with code (486) Sports suspension or with code (488) Steel/air suspension,
Model 212 with code (677) AVANT-GARDE suspension		 Fig 3
SPECIAL TOOL Clamping plate Model 172, Model 204, 207 Model 212, 218 Fig 4
SPECIAL TOOL Adapter plate Model 172, 204.9 Model 212, 218 with code (486) Sports suspension or code (488) Steel/air suspension Fig 5
SPECIAL TOOL Adapter plate Model 212 with code (482) Suspension for greater ground clearance or code (485) Comfort suspension or code (677) AVANT-GARDE suspension, Model 218 without code (486) Sports suspension and without code (488) Steel/air suspension Fig 6
SPECIAL TOOL Adapter plate Model 212, 218 with code (486) Sports suspension or code (488) Steel/air suspension Fig 7
3 Unscrew nut (2) from piston rod (3) TORQUE SPECIFICATION Model 172 *BA32.25-P-1004-01N 
TORQUE SPECIFICATION Model 204, 207, 212, 218 *BA32.25-P-1004-04M 
4 Remove shock absorber (4) from tensioning device (01)    
5 Remove dust boot (4a), stop buffer (4b), cap (4c) and rubber insert (4d) If replacing the damper (4).  
    IMPORTANT Only carry out operation steps 6 to 11 when replacing the front spring (1)  
6 Release front spring (1)   AR32.20-P-0200-05CW 
SPECIAL TOOL Tensioning device Fig 2
SPECIAL TOOL Adapter plate Model 172 Fig 1
SPECIAL TOOL Clamping plate Model 172, Model 204, 207, Model 212, 218 with code (486) Sports suspension or code (488) Steel/air suspension,
Model 212 with code (677) AVANT-GARDE suspension		 Fig 3
SPECIAL TOOL Clamping plate Model 172, Model 204, 207 Model 212, 218 Fig 4
SPECIAL TOOL Adapter plate Model 172, 204.9 Model 212, 218 with code (486) Sports suspension or code (488) Steel/air suspension Fig 5
SPECIAL TOOL Adapter plate Model 212 with code (482) Suspension for greater ground clearance or code (485) Comfort suspension or code (677) AVANT-GARDE suspension, Model 218 without code (486) Sports suspension and without code (488) Steel/air suspension Fig 6
SPECIAL TOOL Adapter plate Model 212, 218 with code (486) Sports suspension or code (488) Steel/air suspension Fig 7
7 Remove front spring (1) INSTALLATION IMPORTANT : Observe installation position of front spring (1). The front spring (1) must be installed with the flat side of the coil towards the spring cup (5).  
8 Remove the spring cup (5) from the front spring (1)    
9 Using a suitable tool pry rubber ring (6) off the thrust bearing (7) When replacing the rubber ring (6).  
10 Using a suitable tool pry thrust bearing (7) off the spring cup (5) When replacing the thrust bearing (7).  
11 Check shock absorber (4) IMPORTANT light oil film on the piston rod (3) is acceptable. AR32.25-P-0121CW 
REFER TO FORMS Disposing of shock absorber Dispose of shock absorber (4) in the event of more severe leakage: OS32.25-P-0121-01GC 
12 Assemble in the reverse order    
INSTALLING Install     
13 Install suspension strut (40) MODEL 172, 204, 207 AR32.25-P-1017CW 
Model 212, 218 AR32.25-P-1017EW
14 Perform wheel alignment check MODEL 204 AR40.20-P-0200CW
Model 172, 207, 212, 218 AR40.20-P-0200EW
SUSPENSION STRUTS

Number Designation Model 172
BA32.25-P-1004-01N Nut to piston rod Nm 85
SUSPENSION STRUTS

Number Designation Model 204.00/02/04/05/06/20/22/24/25/30/33/34/35 without code 483 Model 204.00/02/04/05/06/20/22/24/25 with code 483, model 204.077/277/377
BA32.25-P-1004-04M Nut to piston rod Nm 100 85
SUSPENSION STRUTS

Number Designation Model 204.08/09/28/29/38/9
BA32.25-P-1004-04M Nut to piston rod Nm 100
SUSPENSION STRUTS

Number Designation Model 207 without code 483 Model 207 with code 483
BA32.25-P-1004-04M Nut to piston rod Nm 100 85
SUSPENSION STRUTS

Number Designation Model 212.00/02/04/05/072/073/14/15/20/22/24/25/272 without code 489 Model 218.30/32/35/37 3 without code 489
BA32.25-P-1004-04M Nut to piston rod Nm 100 100
SUSPENSION STRUTS

Number Designation Model 212.08/09/28/29 without code 489 Model 218.39 without code 489
BA32.25-P-1004-04M Nut to piston rod Nm 100 100
Fig 1: Identifying Adapter Plate (172 589 00 63 00)
G13845700Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Tensioning Device (203 589 01 31 00)
G11128686Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Clamping Plate (203 589 01 63 02)
G13845734Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Clamping Plate (204 589 00 63 00)
G13845735Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Adapter Plate (204 589 02 63 00)
G13845736Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Adapter Plate (212 589 00 63 00)
G13667376Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Adapter Plate (212 589 02 63 00)
G13845738Courtesy of MERCEDES-BENZ USA
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