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Home >> Mercedes Benz >> 2018 >> G550 >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension - 463 Chassis >> Testing & Repair >> Remove/Install Rear Spring >> Remove/Install Rear Spring - AR32.20-P-0230GX

Remove/Install Rear Spring - AR32.20-P-0230GX

Model 461 

Model 463 up to model year 2013 

MODIFICATION NOTES

04.12.2012 "Detach stabilizer torsion bar linkage from frame", added Step 9  
10.03.2020 Bolt, shock absorber to rear axle Model 460, model 461 with code XG0 (6200 BA32.25-P-1001-03E kg permissible gross mass), model 463 up to model year 2019 BA32.25-P-1001-03E
10.03.2020 Bolt, shock absorber to rear axle Model 461 except code XG0 (6200 kg permissible gross mass) BA32.25-P-1001-03E

Shown on model 463 on right side of vehicle 

G13667367Courtesy of MERCEDES-BENZ USA
G13667368Courtesy of MERCEDES-BENZ USA
G13667369Courtesy of MERCEDES-BENZ USA
G13667370Courtesy of MERCEDES-BENZ USA
G13667371Courtesy 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
  Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
CAUTION Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. AS42.50-Z-0001-01A
  Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
  Notes on repairs to brake system   AH42.00-P-0003-01A
  Brake fluid notes   AH42.50-P-0001-01A
REMOVINGINSTALLING Remove/install     
1 Lift/jack up vehicle   AR00.60-P-1000G
2
REFER TO MAINTENANCE
Remove rear wheels   AP40.10-P-4050G
3.1 Detach linkage of ALB controller (5) from axle housing Vehicles with ALB controller on axle housing  
3.2 Detach linkage from level sensor on trailing arm Vehicles without ALB controller on axle housing  
4 Support rear axle and secure to prevent it from falling down    
5 Detach hydraulic lines (4) at rear axle NOTES The expansion reservoir for the brake fluid must not be allowed to run empty.
Otherwise difficulties may be encountered when bleeding.
NOTES Brake fluid must not come into contact with the paint.
Dripping brake fluid causes paint damage.
IMPORTANT Seal off connections immediately using stop plugs.
SPECIAL TOOL Record plug
Fig 1
6 Detach electrical lines (7) at brackets    
7 Detach nuts (1) from dampers (2) TORQUE SPECIFICATION Bolt, shock absorber to rear axle *BA32.25-P-1001-03E 
8 Pull bolts out of dampers (2)    
9 Detach stabilizer torsion bar linkage from frame Only on vehicles with stabilizer on rear axle, if necessary AR32.35-P-2210GX 
10 Lower rear axle Only lower the rear axle until the rear springs (3) can be removed.  
11 Remove rear axle springs (3) INSTALLATION IMPORTANT Check plastic hose (6) at first thread at top and at bottom on rear spring (3) for damage and replace if necessary. Ensure rear spring (3) is seated correctly.  
12 Install in the reverse order    
13 Bleed brake system and check for proper operation and leaktightness Model 461 AR42.10-P-0010GG
    Model 463 (except 463.270/271) up to model year 2013 except code 979 (Special protection MB Guard)
Model 463.270/271
AR42.10-P-0010GS
    Model 463.236/248 up to model year 2013 with code 979 (Special protection MB Guard) AR33.40-P-0701GG
14 Bleed differential lock hydraulic system   AR33.40-P-0701GG
REAR AXLE SHOCK ABSORBER

Number Designation Model 460 Model 461 with code XG0 (Permissible gross weight 6200 kg) Model 463 up to model year 2019 Model 461 except code XG0 (Permissible gross weight 6200 kg)
BA32.25-P-1001-03E Bolt, shock absorber to rear axle M16x1.5 Nm 170 230
Fig 1: Identifying Record Plug (129 589 00 91 00)
G13667372Courtesy of MERCEDES-BENZ USA