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Home >> Mercedes Benz >> 2021 >> GLB250 4Matic >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension - 247 Chassis >> Testing & Repair >> Disassemble/Assemble Suspension Strut - AR32.25-P-1018MFA

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

Model 118, 177, 243, 247 

G14688765Courtesy of MERCEDES-BENZ USA
WARNING Risk of injury  caused by pinching or crushing when working on springs or spring bodies that are under tension Use only approved tensioning devices; additionally screen off hazardous area if necessary. Check special tools for damage and proper operation (visual inspection). Wear protective gloves. AS00.00-Z-0001-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
  Notes on repair work on suspension components   AH00.00-P-0100-01A
REMOVING Remove     
1 Remove front suspension strut (1).   AR32.25-P-1017MFA 
DISASSEMBLINGASSEMBLING Disassemble/assemble     
2 Clamp front axle spring (4), unscrew nut (10) and disassemble suspension strut (1).   AR32.20-P-0200-05MFA 
    TORQUE SPECIFICATION Self-locking nut, spring cup to piston rod *BA32.25-P-1001-04J 
    SPECIAL TOOL Clamping plate Fig 6
    SPECIAL TOOL Cover Fig 2
    SPECIAL TOOL Tensioning device Fig 5
    SPECIAL TOOL Adapter plate Fig 4
    SPECIAL TOOL Clamping plate Fig 1
    SPECIAL TOOL Socket set Fig 3
3 Remove stop buffer (6) and rubber insert (3) from shock absorber (2). IMPORTANT If replacing the damper (2).  
4 Unclamp front axle spring (4) and remove.   AR32.20-P-0200-05MFA 
    SPECIAL TOOL Tensioning device Fig 5
    SPECIAL TOOL Cover Fig 2
    SPECIAL TOOL Clamping plate Fig 6
    SPECIAL TOOL Adapter plate Fig 4
    SPECIAL TOOL Clamping plate Fig 1
5 Remove spring retainer (9) from front axle spring (4).    
6 Remove axial bearing (8) from spring retainer (9).    
7 Remove bearing (7) with dust boot (5).    
INSPECT Check     
8 Check shock absorber (2).   AR32.25-P-0121MFA 
9 Assemble in the reverse order.    
INSTALLING Install     
10 Install front suspension strut (1).   AR32.25-P-1017MFA 
MEASURING Measure     
11 Perform chassis alignment.   AR40.20-P-0200MFA
SUSPENSION STRUTS

Number Designation Model 118, 247.6/7 Model 177, 247 (except 247.6/7)
BA32.25-P-1001-04J Self-locking nut, spring cup to piston rod Nm 105 105
SUSPENSION STRUTS

Number Designation Model 243
BA32.25-P-1001-04J Self-locking nut, spring cup to piston rod Nm 100
Fig 1: Identifying Clamping Plate (204 589 00 63 00)
G10250391Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Cover (204 589 02 63 02)
G14688730Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Socket Set (001 589 03 16 00)
G12936183Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Adapter Plate (177 589 00 32 00)
G14688729Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Tensioning Device (203 589 01 31 00)
G07078269Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Clamping Plate (203 589 01 63 02)
G10238804Courtesy of MERCEDES-BENZ USA