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Home >> Mercedes Benz >> 2007 >> C350 Base, Automatic >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension -- 203 Chassis >> Testing & Repair >> Disassemble/assemble suspension strut - AR32.25-P-1018P

Disassemble/assemble suspension strut - AR32.25-P-1018P

MODEL 203 (except 203.08 /09 /28 /29) 

MODEL 209.3/ 4 

Fig 1: Identifying Suspension Strut Disassemble/Assemble Components - Model 203 Except 203.08 /09 /28 /29 (1 Of 2)
G04733195
Fig 2: Identifying Suspension Strut Disassemble/Assemble Components - Model 203 Except 203.08 /09 /28 /29 (2 Of 2)
G04733196
REMOVING Removing     
DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
DANGER Risk of injury  caused by pinching or crushing  when working on springs or spring bodies that are under load 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 front spring strut (11)   AR32.25-P-1017P 
DISASSEMBLING Disassemble     
2 Clamp spring compressor in a vise and install clamping plates SPECIAL TOOL Tensioning device Figure
    SPECIAL TOOL Tensioning plates Figure
3 Install suspension strut (11) in spring compressor IMPORTANT Attach clamping plates so that at least three windings of the spring (12) are tensioned.  
4 Clamp spring (12) until the load is taken off the upper spring cup IMPORTANT Observe correct installation position.  
5 Unscrew nut (11a) IMPORTANT Counterhold piston rod (11g) using Allen wrench
Model 203
 
    SPECIAL TOOL Pin wrench socket Fig 5
6 Remove suspension strut bearing (11c)    
7 Remove suspension strut (11)    
8 Release spring compressor and remove spring (12) and upper spring cup IMPORTANT Before removing, mark the spring (12) with a chalk line (arrow).  
9 Check suspension strut (11) Check suspension strut insert for leaks. A light oil film on the suspension strut insert is permissible.
In the event of damage or major leakage, dispose of suspension strut see: ↓
AR32.25-P-0121A 
REFER TO FORMS   Disposing of shock absorber OS32.25-P-0121-01GC 
ASSEMBLING Assemble     
10 Insert tensioning device IMPORTANT Insert the clamping plates so that at least three windings of the spring (12) are clamped.  
11 Tension spring (12)    
12 Insert suspension strut insert    
13 Fit suspension strut bearing (11c) on upper spring cup IMPORTANT Mount the suspension strut mount (11c) so that the highest point of the suspension strut mount (a) lies on an imaginary line with the outer end of the fastening shackle (b).  
14 Attach nut (11a) IMPORTANT Counterhold piston rod (11g) using Allen wrench
Model 203: ↓
 
    TORQUE SPECIFICATION
Model 209: ↓
*BA32.25-P-1009-01B 
    TORQUE SPECIFICATION *BA32.25-P-1004-01E 
15 Release spring (12) and remove spring strut (11) from spring compressor    
INSTALLING Install     
16 Install front strut assembly (11)   AR32.25-P-1017P 
17.1 Perform a wheel alignment check IMPORTANT Only necessary after accident repairs. AR40.20-P-0200P
TORQUE SPECIFICATION FRONT AXLE SHOCK ABSORBER

Number Designation Model 203 without 4MATIC
BA32.25-P-1009-01B Nut to piston rod Nm 20
TORQUE SPECIFICATION FRONT AXLE SHOCK ABSORBER

Number Designation Model 209 without code P98
BA32.25-P-1004-01E Nut to piston rod Nm 20
Fig 3: Identifying Tensioning Device (203 589 01 31 00)
G04733197
Fig 4: Identifying Tensioning Plates (203 589 01 63 00)
G04733198
Fig 5: Identifying Pin Wrench Socket (203 589 00 07 00)
G04733199