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Adjust Camber And Caster At The Front Axle - AR40.20-P-0263GQ

Model 166, 292 

MODIFICATION NOTES

20.10.2020 Assign specified suspension data online. Operation step 1.  
G14136448Courtesy of MERCEDES-BENZ USA
  Assign specified suspension data     
1 Assign specified suspension data online. IMPORTANT To make it easier to assign the current suspension data, the specified suspension data can be assigned online using the vehicle identification number. AR40.20-P-0001A 
  Adjust     
2 Remove screws (1) of rear transverse control arm mounting (2) or front transverse control arm mounting (3).    
3 Detach torsion bar from front axle carrier. If camber has to be corrected on front transverse control arm mounting (3).
IMPORTANT The caster of the front axle can only be changed by adjusting the camber.
IMPORTANT The torsion bar must be detached carefully, as it is under tension.		  
4 Install old screw (19c) or new screw (19d) in front transverse control arm mounting (3) or rear transverse control arm mounting (2). IMPORTANT On integral carriers with lock tabs on both sides on the front transverse control arm mounting, only the new bolt (19d) may be used.
The new bolt (19d) of the rear transverse control arm mounting (2) can be inserted from above or below.
IMPORTANT The old bolt (19c) can be replaced by the new bolt (19d).
The new bolt (19d) may only be used with washers (19e).		  
5 Install nut (19b) of old screw (19c) or new screw (19d) up to end stop. If camber or caster cannot be adjusted.
IMPORTANT Do not tighten nut (19b) of old bolt (19c) or new bolt (19d) to ensure that the elastomer bearing of the lower control arm can twist when deflecting.		  
6 Rock vehicle to settle suspension. If camber or caster cannot be adjusted.  
7 Adjust camber. IMPORTANT The adjustment (a) at the front of the lower transverse control arm towards the vehicle center causes a positive camber change.  
    IMPORTANT The adjustment (a) at the rear of the lower transverse control arm towards the vehicle center causes a reduction in caster.
IMPORTANT The adjustment (b) at the front of the lower transverse control arm towards the outside of the vehicle causes a negative camber change.
IMPORTANT The adjustment (b) at the rear of the lower transverse control arm towards outside of the vehicle causes an increase in caster.		  
    Camber at vehicle level *BE40.20-P-1001-13AB 
    Permissible difference in front axle camber between right and left sides of vehicle *BE40.20-P-1002-13AB 
8 Check caster.   AR40.20-P-0322-03GQ
    Caster values, form *BE40.20-P-1001-20G 
    Permissible difference in caster between right and left side of vehicle *BE40.20-P-1002-20G 
    Absolute caster tolerance *BE40.20-P-1003-20G 
9 Tighten nut (19b) of old screw (19c) or new screw (19d). NOTES The old bolt (19c) or the new bolt (19d) must not be twisted after being fixed in place. When tightening the nut (19b) the old bolt (19c) or the new bolt (19d) must be counterheld.
Otherwise the lock tabs in the front axle carrier may be damaged.		  
10 Tighten screws (1) of front transverse control arm mounting (3) or rear transverse control arm mounting (2) TORQUE SPECIFICATION Screw/bolt, lower transverse control arm at front to front axle carrier *BA33.20-P-1004-01R 
    TORQUE SPECIFICATION Nut, lower control arm at bottom rear to front axle carrier *BA33.20-P-1005-01R 
    TORQUE SPECIFICATION Screw/bolt, lower transverse control arm at outside rear to front axle carrier *BA33.20-P-1007-01R 
11 Secure torsion bar to front axle carrier. If the camber on the front transverse control arm mounting (3) was corrected.
IMPORTANT The torsion bar must be mounted carefully as it is under tension.		  
    TORQUE SPECIFICATION Bolt, torsion bar bracket/torsion bar to front axle carrier *BA32.20-P-1001-02Q 
TEST AND ADJUSTMENT VALUES FOR FRONT AXLE CAMBER

Number Designation     Model 166.0 except code 489/491/Z04/Z05 Model 166.0 with code 489, model 166.8
BE40.20-P-1001-13AB Camber at vehicle level 5.26° ∠° - -1° 24' (±30')
    6.49° ∠° - -
    7.97° ∠° - -
    9.07° ∠° -0° 27' (±30') -
TEST AND ADJUSTMENT VALUES FOR FRONT AXLE CAMBER

Number Designation     Model 166.0 with code 491 Model 166.0 with code Z04/Z05
BE40.20-P-1001-13AB Camber at vehicle level 5.26° ∠° - -1° 24' (±30')
    6.49° ∠° - -
    7.97° ∠° -0° 43' (±30') -
    9.07° ∠° - -
TEST AND ADJUSTMENT VALUES FOR FRONT AXLE CAMBER

Number Designation     Model 166 AMG Model 292 except code 489
BE40.20-P-1001-13AB Camber at vehicle level 5.26° ∠° -1° 24' (±30') -
    6.49° ∠° - -1° 5' (±30')
    7.97° ∠° - -
    9.07° ∠° - -
TEST AND ADJUSTMENT VALUES FOR FRONT AXLE CAMBER

Number Designation     Model 292 with code 489 Model 292 AMG
BE40.20-P-1001-13AB Camber at vehicle level 5.26° ∠° -1° 24' (±30') -1° 24' (±30')
    6.49° ∠° - -
    7.97° ∠° - -
    9.07° ∠° - -
TEST AND ADJUSTMENT VALUES FOR CASTER

Number Designation Model 166 Model 292
BE40.20-P-1001-20G Caster values, form    
  See OF40.20-P-3000-00GQ OF40.20-P-3000-00GQ
TEST AND ADJUSTMENT VALUES FOR FRONT AXLE CAMBER

Number Designation   Model 166.0 except code 489/491/Z04/Z05 Model 166.0 with code 489, model 166.8
BE40.20-P-1002-13AB Permissible difference in front axle camber between right and left sides of vehicle   ±19' ±19'
TEST AND ADJUSTMENT VALUES FOR FRONT AXLE CAMBER

Number Designation   Model 166.0 with code 491 Model 166.0 with code Z04/Z05
BE40.20-P-1002-13AB Permissible difference in front axle camber between right and left sides of vehicle ∠° ±19' ±19'
TEST AND ADJUSTMENT VALUES FOR FRONT AXLE CAMBER

Number Designation   Model 166 AMG Model 292 except code 489
BE40.20-P-1002-13AB Permissible difference in front axle camber between right and left sides of vehicle ∠° ±19' ±19'
TEST AND ADJUSTMENT VALUES FOR FRONT AXLE CAMBER

Number Designation   Model 292 with code 489 Model 292 AMG
BE40.20-P-1002-13AB Permissible difference in front axle camber between right and left sides of vehicle ∠° ±19' ±19'
TEST AND ADJUSTMENT VALUES FOR CASTER

Number Designation   Model 166 Model 292
BE40.20-P-1002-20G Permissible difference in caster between right and left side of vehicle ∠° ±30' ±30'
TEST AND ADJUSTMENT VALUES FOR CASTER

Number Designation   Model 166 Model 292
BE40.20-P-1003-20G Absolute caster tolerance ∠° ±30' ±30'
FRONT AXLE TORSION BAR

Number Designation     Model 166 except code 468 (ACTIVE CURVE SYSTEM) Model 166 with code 468 (ACTIVE CURVE SYSTEM)
BA32.20-P-1001-02Q Bolt, torsion bar bracket/torsion bar to front axle carrier Stage 1 Nm 100 90
    Stage 2 ∠° - 45
FRONT AXLE TORSION BAR

Number Designation     Model 292 except code 468 (ACTIVE CURVE SYSTEM) Model 292 with code 468 (ACTIVE CURVE SYSTEM)
BA32.20-P-1001-02Q Bolt, torsion bar bracket/torsion bar to front axle carrier Stage 1 Nm 100 90
    Stage 2 ∠° - 45
WHEEL CONTROL, HUB

Number Designation     Model 166 Model 292
BA33.20-P-1004-01R Screw/bolt, lower transverse control arm at front to front axle carrier Stage 1 Nm 120 120
    Stage 2 ∠° 90 90
WHEEL CONTROL, HUB

Number Designation     Model 166 Model 292
BA33.20-P-1005-01R Nut, lower control arm at bottom rear to front axle carrier Stage 1 Nm 65 65
    Stage 2 ∠° 90 90
WHEEL CONTROL, HUB

Number Designation     Model 166 Model 292
BA33.20-P-1007-01R Screw/bolt, lower transverse control arm at outside rear to front axle carrier Stage 1 Nm 130 130
    Stage 2 ∠° 45 45
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