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Home >> Smart >> 2017 >> Fortwo Electric Drive, 2D Convertible >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension - 453 Chassis >> Testing & Repair >> Disassemble/Assemble Suspension Strut - AR32.25-P-1018SR

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

MODEL 453 

MODIFICATION NOTES

22.7.15 Special tool inserted    
G12094892Courtesy of MERCEDES-BENZ USA
  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
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
REMOVING Remove     
1 Remove suspension strut   AR32.25-P-1017SR 
DISASSEMBLINGASSEMBLING Disassemble/assemble     
2 Remove spring (6)   AR32.20-P-0200-05SR 
    TORQUE SPECIFICATION Nut, suspension strut mount to piston rod *BA32.25-P-1002-04Q 
    SPECIAL TOOL Clamping plates Fig 1
    SPECIAL TOOL Tensioning device Fig 2
3 Remove boot (5) from suspension strut mount (3)    
4 Remove spring cup (2) from suspension strut mount (3)    
5 Detach buffer (4) from piston rod (8)    
INSPECT Check     
6 Check spring cup (2) for wear and damage In the event of complaints

Replace spring cup (2)
 
7 Check-pension strut mount (3) for wear and damage In the event of complaints

Replace suspension strut bearing (3)
 
8 Check buffer (4), boot (5) and spring seat (7) for wear, soiling and damage If boot (5), buffer (4) or spring seat (7) are cracked, oiled up or deformed.

Replace boot (5), buffer (4) or spring seat (7)
 
9 Check spring (6) for damage In the event of complaints

Replace spring (6)
IMPORTANT When replacing springs (6) note the color codings on the spring coils. The color codings on the springs (6) of the left and right suspension strut may not vary.
 
10.1 Replace spring (6) on other side of vehicle When replacing a spring (6) and for a kilometer reading of > 60, 000 km  
10.2 Visually inspect spring (6) on other side of vehicle for damage When replacing a spring (6) and for a kilometer reading of < 60, 000 km
In the event of complaints

Replace spring (6)
 
11 Check damper (9) for wear and damage   AR32.25-P-0121SR 
12 Assemble in the reverse order    
INSTALLING Install     
13 Install suspension strut   AR32.25-P-1017SR 
SUSPENSION STRUTS

Number Designation Model 453
BA32.25-P-1002-04Q Nut, suspension strut mount to piston rod Nm 62
Fig 1: Identifying Clamping Plates (453 589 00 63 00)
G12094880Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Tensioning Device (203 589 01 31 00)
G07078269Courtesy of MERCEDES-BENZ USA