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Remove/install rear spring - AR32.20-P-0230NKB

MODEL 117, 156, 176, 242, 246 

Shown on MODEL 242 

Fig 1: Rear Spring Remove/Install Components - Shown On Model 242 (1 Of 3)
G10250376Courtesy of MERCEDES-BENZ USA
Fig 2: Rear Spring Remove/Install Components - Shown On Model 242 (2 Of 3)
G10250377Courtesy of MERCEDES-BENZ USA
Fig 3: Rear Spring Remove/Install Components - Shown On Model 242 (3 Of 3)
G10250378Courtesy of MERCEDES-BENZ USA
DANGER 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
IMPORTANT Notes on repair work on suspension components   AH00.00-P-0100-01A
REMOVINGINSTALLING Remove/install     
1 Remove cover below rear axle MODEL 242 with ENGINE 780  
  AR61.30-P-1001NKB
2 Dismantle brake caliper, place to one side and fix in place   AR42.10-P-0080NKB
3 Unclip cover (17) and remove INSTALLATION IMPORTANT Ensure that cover (17) is properly seated.  
4 Detach damper from spring control arm and push towards steering knuckle MODEL 117, 156, 176, 242
MODEL 246
without CODE 486 (Sports suspension)
 
  AR32.25-P-0110NKB 
5 Insert upper clamping plate (01) into rear axle spring (1) SPECIAL TOOL Clamping plates Fig 4
6 Insert tensioning device (02) with lower clamping plate (03) into rear axle spring (1) and lock upper clamping plate (01) IMPORTANTSPECIAL TOOL Insert the clamping plates (01, 03) in such a way that as many spring coils as possible can be pre-compressed.  
SPECIAL TOOL Tensioning device Fig 5
SPECIAL TOOL Clamping plates Fig 4
7 Mark installation position of rear axle spring (1) relative to upper clamping plate (01) using adhesive tape (arrows, see Fig 2) IMPORTANT Do not use a touch-up paint pen because the rear axle spring (1) is color-coded.  
8 Clamp rear axle spring (1) using clamping plates (01, 03) and tensioning device (02) and remove rear spring (1) from rear axle IMPORTANT Do not use an impact wrench.  
SPECIAL TOOL Clamping plates Fig 4
SPECIAL TOOL Tensioning device Fig 5
9 Relieve tension of removed rear axle spring (1) using tensioning device (02) and clamping plates (01, 03), remove rear axle spring (1) IMPORTANT When replacing the rear axle spring (1) the identification must be transferred using adhesive tape (arrows, see Fig 2) to the new rear axle spring (1).  
SPECIAL TOOL Tensioning device Fig 5
SPECIAL TOOL Clamping plates Fig 4
10 Detach upper spring seat (2) and lower spring seat (3) and check for signs of damage, replace if necessary INSTALLATION IMPORTANT The spring seats (2, 3) must be correctly seated on the rear axle spring (1). Note the guides (arrows, see Fig 3) on spring seats (2, 3).  
11 Install in the reverse order    
INSPECT Check     
12 Check rear axle spring (1) for signs of paint damage in contact area of clamping plates (01, 03) When reinstalling the rear axle spring (1).
IMPORTANT Only repair paint damage using a black touchup paint pen. Otherwise it could lead to confusion with the color marking of the rear axle springs (1).
 
13 Check headlamp adjustment and correct if necessary    
REFER TO MAINTENANCE     AP82.10-P-8260GI
Fig 4: Identifying Clamping Plates (246 589 01 63 00)
G10250379Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Tensioning Device (203 589 01 31 00)
G07078269Courtesy of MERCEDES-BENZ USA