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Home >> Mercedes Benz >> 2019 >> CLA250 4Matic, Gas >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension - 117 Chassis >> Testing & Repair >> Remove/install torsion bar on rear axle - AR32.20-P-0315NKB

Remove/install torsion bar on rear axle - AR32.20-P-0315NKB

MODEL 117, 156, 176, 242, 246 

Shown on model 246 without code M005 (4MATIC) 

Fig 1: Rear Axle Torsion Bar Remove/Install Components - Shown On Model 246 (1 Of 2)
G10250382Courtesy of MERCEDES-BENZ USA
Fig 2: Rear Axle Torsion Bar Remove/Install Component - Shown On Model 246 (2 Of 2)
G10250384Courtesy of MERCEDES-BENZ USA

Shown on MODEL 242 

Fig 3: Rear Axle Torsion Bar Remove/Install Component - Shown On Model 242
G10250383DANGERNOTESIMPORTANTREMOVINGINSTALLINGDANGERTORQUE SPECIFICATIONTORQUE SPECIFICATIONIMPORTANTINSTALLATION IMPORTANTTORQUE SPECIFICATIONIMPORTANTCourtesy of MERCEDES-BENZ USA
DANGER 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
NOTES Notes on self-locking nuts and bolts   AH00.00-N-0001-01A
IMPORTANT Notes on repair work on suspension components   AH00.00-P-0100-01A
REMOVINGINSTALLING Remove/install     
1 Lift vehicle on vehicle lift   AR00.60-P-1000AK
2 Detach elastomer bearing of rear muffler and lower rear muffler Model 242, 117 with engine 270  
  AR49.10-P-4952MT
3.1 Remove cover (15) Model 242 with engine 270  
3.2 Loosen cover (15) and slide towards rear end Model 117, 156, 176, 246
except code M005 (4MATIC)
 
4.1 Remove underfloor panels Model 242, 117  
  AR61.30-P-1001NKB
4.2 Release underfloor paneling in rear area Model 117, 156, 176, 246  
  AR61.30-P-1001NKB
DANGER Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
5 Remove heat shield (17) Model 242 with engine 270  
6 Unscrew nuts (3) to torsion bar linkage (2) and torsion bar (6) TORQUE SPECIFICATION Nut, link rod to stabilizer bar *BA32.20-P-1001-04Q 
7 Unscrew screws/bolts (1) from torsion bar linkage (2) and steering knuckle and remove torsion bar linkage (2) TORQUE SPECIFICATION Bolt, link rod of torsion bar to wheel carrier *BA32.20-P-1003-04Q 
8 Remove activated charcoal canister Model 117, 156, 176, 246
with code M005 (4MATIC)
 
Model 117, 156, 176, 246 with engine 270
with code M005 (4MATIC)
AR47.30-P-8212NKB
Model 156, 176 with engine 133
with code M005 (4MATIC)
AR47.30-P-8212MTA
9 Secure torsion bar (6) to prevent it from falling down    
10 Lower rear axle differential with mounted axle shafts Model 117, 156, 176, 246
with code M005 (4MATIC)
 
Model 117, 176, 246
with code M005 (4MATIC)
IMPORTANT Only lower the rear axle differential until the torsion bar (6) can be removed.
AR35.31-P-0520MTA
11 Remove bolts (4) from bearing shells (5) and rear axle carrier INSTALLATION IMPORTANT Replace bolts (4) and tighten uniformly.  
TORQUE SPECIFICATION Screw/bolt, torsion bar to rear axle carrier *BA32.20-P-1002-04Q 
12 Remove torsion bar (6) IMPORTANT Pay attention to installation position.  
13 Remove bearing shells (5) When replacing the torsion bar (6).  
14 Install in the reverse order    
REAR AXLE TORSION BAR

Number Designation Model 117 Model 156
BA32.20-P-1001-04Q Nut, link rod to stabilizer bar Nm 60 60
REAR AXLE TORSION BAR

Number Designation Model 242 Model 176, 246
BA32.20-P-1001-04Q Nut, link rod to stabilizer bar Nm 60 60
REAR AXLE TORSION BAR

Number Designation Model 117 Model 156
BA32.20-P-1002-04Q Screw/bolt, torsion bar to rear axle carrier Nm 35 35
REAR AXLE TORSION BAR

Number Designation Model 242 Model 176, 246
BA32.20-P-1002-04Q Screw/bolt, torsion bar to rear axle carrier Nm 35 35
REAR AXLE TORSION BAR

Number Designation Model 117 Model 156
BA32.20-P-1003-04Q Bolt, link rod of torsion bar to wheel carrier Stage 1 Nm 45 45
Stage 2 ∠° 45 45
REAR AXLE TORSION BAR

Number Designation Model 242 Model 176, 246
BA32.20-P-1003-04Q Bolt, link rod of torsion bar to wheel carrier Stage 1 Nm 45 45
Stage 2 ∠° 45 45