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Home >> Mercedes Benz >> 2007 >> S550 Base >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Wheels, Chassis Alignment Check -- Testing & Repair -- S-Class (221) >> Testing & Repair >> Adjust camber and caster at the front axle - AR40.20-P-0263SX

Adjust camber and caster at the front axle - AR40.20-P-0263SX

MODEL 216, 221.0 /1 

Camber, shown on model 221 without 4MATIC, without code (Z07) Highest protection 

Fig 1: Identifying Front Axle Camber Adjustment
G07585131Courtesy of MERCEDES-BENZ USA

Caster, shown on model 221 without 4MATIC, without code (Z07) Highest protection 

Fig 2: Identifying Front Axle Caster Adjustment
G07585132Courtesy of MERCEDES-BENZ USA
MODIFICATION NOTES

21.10.08 Value changed: Camber with vehicle level, +1.1° Model 216 with 4MATIC *BE40.20-P-1001-13NB 
  Value changed: Camber with vehicle level, +1.0° Model 216 with 4MATIC *BE40.20-P-1001-13NB 
  Adjust     
1 Detach lower engine compartment paneling Model 216, model 221 without code (Z07) Highest protection AR61.20-P-1105SX
Model 221 with code (Z07) Highest protection AR61.20-P-1105SXS
2.1 Install repair bolt (19c) Model 216, model 221 without code (Z07) Highest protection
IMPORTANT Screw on the nut (19b) until it abuts, but do not tighten yet so that the rubber mount of the torque strut (18) or spring control arm (17) can twist when rocking the vehicle to settle the suspension.
Camber at vehicle level:		 AR40.20-P-0322-01SX 
Model 216 *BE40.20-P-1001-13NB 
Model 221 except 4MATIC *BE40.20-P-1001-13N 
Model 221 4MATIC
Permissible difference in front axle camber between right and left side of vehicle:		 *BE40.20-P-1001-13NA 
Model 216 *BE40.20-P-1002-13NB 
Model 221 except 4MATIC *BE40.20-P-1002-13N 
Model 221 4MATIC
Check caster, assign tabular value:		 *BE40.20-P-1002-13NA 
Model 216 vehicles with mixed tires, except model 216 4MATIC. AR40.20-P-0322-03SC
Permissible difference in caster between right and left sides of the vehicle *BE40.20-P-1001-20D 
Caster *BE40.20-P-1002-20D 
Model 216 except vehicles with mixed tires and except model 216 4MATIC. AR40.20-P-0322-03SD
Permissible difference in caster between right and left sides of the vehicle *BE40.20-P-1001-20D 
Caster *BE40.20-P-1002-20D 
Model 216 4MATIC AR40.20-P-0322-03SCM
Permissible difference in caster between right and left sides of the vehicle *BE40.20-P-1001-20D 
Caster *BE40.20-P-1002-20D 
Model 221 except code (Z07) Highest protection and except vehicles with mixed tires and except model 221 4MATIC AR40.20-P-0322-03SX 
Permissible difference in caster between right and left sides of the vehicle *BE40.20-P-1001-20D 
Caster *BE40.20-P-1002-20D 
Model 221 vehicles with mixed tires and except code (Z07) Highest protection and except model 221 4MATIC AR40.20-P-0322-03SY 
Permissible difference in caster between right and left sides of the vehicle *BE40.20-P-1001-20D 
Caster *BE40.20-P-1002-20D 
Model 221 4MATIC AR40.20-P-0322-03SW 
Permissible difference in caster between right and left sides of the vehicle *BE40.20-P-1001-20D 
Caster *BE40.20-P-1002-20D 
2.2 Install eccentric disks Model 221 with code (Z07) Highest protection
IMPORTANT
For adjustment operations, the shims with a centric bore must be replaced with shims with an eccentric bore.
IMPORTANT
Screw on the nut until it abuts, but do not tighten yet so that the rubber mount of the torque strut (18) or spring control arm (17) can twist when rocking the vehicle to settle the suspension.
Camber at vehicle level:		 AR40.20-P-0322-01SX 
Model 221 with code (Z07) Highest protection *BE40.20-P-1001-13N 
Permissible difference in front axle camber between right and left side of vehicle: *BE40.20-P-1002-13N 
Model 221 with code (Z07) Highest protection
Check caster, assign tabular value:		 AR40.20-P-0322-03SXS 
Model 221 with code (Z07) Highest protection
Permissible difference in caster between right and left sides of the vehicle		 *BE40.20-P-1001-20D 
Caster *BE40.20-P-1002-20D 
3 Recheck vehicle level at front axle after adjusting the camber and caster. IMPORTANT The vehicle level must match the values determined during the initial measurement. AR40.20-P-0301SX 
4 Tighten nut (19b) NOTES The repair bolt (19c) must not turn after fixing. When tightening the nut (19b) counterhold the repair bolt (19c) otherwise the lock tabs in the front axle carrier may be sheared off.  
TORQUE SPECIFICATION *BA33.20-P-1005-01M 
TORQUE SPECIFICATION *BA33.20-P-1006-01M 
CHECK VALUES FOR FRONT AXLE CAMBER

Number Designation Model 221 except (code Z07), except (code Z07+Z19), except 4MATIC, except engine 651 Model 221 with (code Z07), with (code Z07+Z19)
BE40.20-P-1001-13N Camber at vehicle level +4.9° ∠° -0° 21' (+15'/-30') -0° 22' (+15'/-30')
+3.9° ∠° -0° 27' (+15'/-30') -0° 28' (+15'/-30')
+2.9° ∠° -0° 35' (+15'/-30') -0° 33' (+15'/-30')
+1.9° ∠° -0° 41' (+15'/-30') -0° 40' (+15'/-30')
+0.9° ∠° -0° 48' (+15'/-30') -0° 48' (+15'/-30')
-0.1° ∠° -0° 55' (+15'/-30') -
BE40.20-P-1002-13N Permissible difference in front axle camber between right and left sides of the vehicle ∠° 30' 30'
CHECK VALUES FOR FRONT AXLE CAMBER

Number Designation Model 221 with 4MATIC, with engine 651
BE40.20-P-1001-13NA Camber at vehicle level +11.0° ∠° 0° 00' (+15'/-30')
+9.0° ∠° -0° 13' (+15'/-30')
+7.0° ∠° -0° 25' (+15'/-30')
+5.0° ∠° -0° 38' (+15'/-30')
+3.0° ∠° -0° 50' (+15'/-30')
BE40.20-P-1002-13NA Permissible difference in front axle camber between right and left sides of the vehicle ∠° 30'
CHECK VALUES FOR FRONT AXLE CAMBER

Number Designation Model 216 except 4MATIC Model 216 with 4MATIC
BE40.20-P-1001-13NB Camber at vehicle level +5.0° ∠° - -0° 37' (+16'/-24')
+3.1° ∠° -0° 33' (+16'/-24') -
+3.0° ∠° - -0° 49' (+16'/-24')
+2.6° ∠° -0° 36' (+16'/-24') -
+2.1° ∠° -0° 40' (+16'/-24') -
+1.6° ∠° -0° 44' (+16'/-24') -
+1.1° ∠° -0° 47' (+16'/-24') -
+1.0° ∠° - -1° 03' (+16'/-24')
+0.6° ∠° -0° 50' (+16'/-24') -
+0.1° ∠° -0° 53' (+16'/-24') -
0.0° ∠° - -1° 08' (+16'/-24')
-0.4° ∠° -0° 58' (+16'/-24') -
-0.9°   -1° 01' (+16'/-24') -
BE40.20-P-1002-13NB Permissible difference in front axle camber between right and left sides of the vehicle ∠° 20' 20'
CHECK AND ADJUSTMENT VALUES FOR CASTER

Number Designation Model 216 vehicles with mixed tires, front axle 255/45 R 18 rear axle 275/45 R 18 or front axle 255/45 R 19 rear axle 275/45 R 19, except 4MATIC
BE40.20-P-1001-20D Permissible difference in caster between right and left sides of the vehicle ∠° 30'
BE40.20-P-1002-20D Caster See table AR40.20-P-0322-03SC
CHECK AND ADJUSTMENT VALUES FOR CASTER

Number Designation Model 216 except vehicles with mixed tires, front axle 255/45 R 18 rear axle 275/45 R 18 or front axle 255/45 R 19 rear axle 275/45 R 19 except 4MATIC
BE40.20-P-1001-20D Permissible difference in caster between right and left sides of the vehicle ∠° 30'
BE40.20-P-1002-20D Caster (model 216) See table AR40.20-P-0322-03SD
CHECK AND ADJUSTMENT VALUES FOR CASTER

Number Designation Model 216 4MATIC
BE40.20-P-1001-20D Permissible difference in caster between right and left sides of the vehicle ∠° 30'
BE40.20-P-1002-20D Caster See table AR40.20-P-0322-03S CM
CHECK AND ADJUSTMENT VALUES FOR CASTER

Number Designation Model 221 with 4MATIC, with engine 651 Model 221 with (code Z07), with (code Z07+Z19)
BE40.20-P-1001-20D Permissible difference in caster between right and left sides of the vehicle ∠° 30' 30'
BE40.20-P-1002-20D Caster See table AR40.20-P-0322-03S W AR40.20-P-0322-03SXS 
CHECK AND ADJUSTMENT VALUES FOR CASTER

Number Designation Model 221 vehicles with mixed tires, front axle 255/45 R 18, rear axle 275/45 R 18 or front axle 255/45 R 19 rear axle 275/45 R 19 except (code Z07), except (code Z07 + Z19), except engine 651, except 4MATIC
BE40.20-P-1001-20D Permissible difference in caster between right and left sides of the vehicle ∠° 30'
BE40.20-P-1002-20D Caster See table AR40.20-P-0322-03SY 
CHECK AND ADJUSTMENT VALUES FOR CASTER

Number Designation Model 221 except vehicles with mixed tires, front axle 255/45 R 18, rear axle 275/45 R 18 or front axle 255/45 R 19 rear axle 275/45 R 19 except (code Z07), except (code Z07 + Z19), except engine 651, except 4MATIC
BE40.20-P-1001-20D Permissible difference in caster between right and left sides of the vehicle ∠° 30'
BE40.20-P-1002-20D Caster See table AR40.20-P-0322-03SX 
WHEEL LOCATION, HUB

Number Designation Model 216 without 4MATIC Model 216 with 4MATIC
BA33.20-P-1005-01M Self-locking nut, spring control arm to front axle carrier   Stage 1 Nm 80 80
Hexagon Stage 2 ∠° 150 150
Torx Stage 2 ∠° - -
BA33.20-P-1006-01M Self-locking nut, torque strut to front axle carrier   Stage 1 Nm 80 80
Hexagon Stage 2 ∠° 150 150
Torx Stage 2 ∠° - -
WHEEL LOCATION, HUB

Number Designation Model 221.00/02/05/07/09/10/12/15/17/19 without 4MATIC without code Z07/Z07+Z19 Model 221.08/09/18/19 with 4MATIC without code Z07
BA33.20-P-1005-01M Self-locking nut, spring control arm to front axle carrier   Stage 1 Nm 80 80
Hexagon Stage 2 ∠° 150 150
Torx Stage 2 ∠° 180 180
BA33.20-P-1006-01M Self-locking nut, torque strut to front axle carrier   Stage 1 Nm 80 80
Hexagon Stage 2 ∠° 150 150
Torx Stage 2 ∠° 180 180
WHEEL LOCATION, HUB

Number Designation Model 221 with code Z07/Z07+Z19
BA33.20-P-1005-01M Self-locking nut, spring control arm to front axle carrier   Stage 1 Nm 80
Hexagon Stage 2 ∠° 180
Torx Stage 2 ∠° 180
BA33.20-P-1006-01M Self-locking nut, torque strut to front axle carrier   Stage 1 Nm 80
Hexagon Stage 2 ∠° 180
Torx Stage 2 ∠° 180
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