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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - 222 Chassis >> Testing & Repair >> Remove/Install Spring Control Arm On Front Axle - AR33.15-P-0170LF

Remove/Install Spring Control Arm On Front Axle - AR33.15-P-0170LF

Model 217 

Model 222 

Vehicle with code 487 (Active Body Control (ABC)), shown on model 222 except code M005 (4MATIC) 

Fig 1: Spring Control Arm On Front Axle Components Location - Model 222 With Code 487 (Shown Except Code M005)
G15367175Courtesy of MERCEDES-BENZ USA

Vehicle except code 487 (Active Body Control (ABC)), shown on model 222 except code M005 (4MATIC) 

Fig 2: Spring Control Arm On Front Axle Components Location - Model 222 Without Code 487 (Shown Except Code M005)
G15367176Courtesy of MERCEDES-BENZ USA

Shown on MODEL 222 with CODE M005 (4MATIC) 

G15367177Courtesy 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
WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
Notice  Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
Notice  Notes on self-locking nuts and bolts   AH00.00-P-0001-01KOA
  Notes on safety-relevant components   AH00.00-Z-0019-01A
  Notes on Active Body Control suspension Model 217
with code 487 (Active Body Control (ABC))
Model 222
with code 487 (Active Body Control (ABC))
AH32.50-P-0001-01N
  Notes on repair work on suspension components   AH00.00-P-0100-01A
  Notes on AIRmatic Model 217, 222
except code 487 (Active Body Control (ABC))
AH32.22-P-1000-02LF
REMOVINGINSTALLING Remove/install     
WARNING Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid. Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
1.1 Relieve pressure in the ABC system with vehicle diagnosis system. Model 217, 222
with code 487 (Active Body Control (ABC))
 
      AR32.50-P-0001-01LF
      AD00.00-P-2000-04B
1.2 Vent pressure in AIRMATIC system using vehicle diagnosis system. Model 217, 222
except code 487 (Active Body Control (ABC))
 
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-04B
2 Remove center engine compartment lining.   AR61.20-P-1105LF
3 Remove corresponding front wheel.   AR40.10-P-1102A
4 Remove line bracket (11) from spring link (2) and place to one side with lines connected. Model 217, 222
with code M005 (Vehicles with 4MATIC/all-wheel drive)
NOTES
Do not kink, crush or stretch electric lines. Otherwise, the lines will be damaged and malfunctions will occur.
 
5 Remove nut (1) from spring link (2) on steering knuckle (3). NOTES
The ball head must be counterheld and an impact wrench/driver must not be used.
Otherwise the ball head or steering knuckle (3) may be damaged.
 
    TORQUE SPECIFICATION Nut, spring control arm to steering knuckle *BA33.20-P-1001-01T 
6 Remove suspension strut (4) from spring link (2). Model 217, 222
with code 487 (Active Body Control (ABC))
AR32.25-P-1017LFA
    Model 217, 222
except code 487 (Active Body Control (ABC))
AR32.25-P-1017LFB
7 Remove strut rod from front axle. Model 222
with code Z07 (B7 armoring on special protection version)
 
      AR33.15-P-0160LF 
8 Disassemble and remove spring link (2) from front axle carrier (5). TORQUE SPECIFICATION Bolt, spring control arm to front axle carrier *BA33.20-P-1002-01T 
INSPECT Check     
9.1 Check elastomer bearing in spring link (2) for condition, damage and variant. Model 217 (except
217.377/378/379/387/388/477/478/479/487/488)
Model 222 (except 222.077/177/178/179/187/188)
IMPORTANT The elastomer bearing variants are shown in the reference document.
 
    SPECIAL TOOL Extraction and insertion tool Fig 4
    SPECIAL TOOL Press-in tool
If problems are found on the elastomer bearing,

replace elastomer bearing of spring link (2).
Fig 3
      AR33.15-P-0170-02LF 
9.2 Check elastomer bearing in spring link (2) for condition and damage. Model
217.377/378/379/387/388/477/478/479/487/488
Model 222.077/177/178/179/187/188
If problems are found on the elastomer bearing,

replace spring link (2).
 
10 Check suspension strut linkage on spring link (2) for condition and damage. Model 217, 222
except code 487 (Active Body Control (ABC))
If problems exist,

Replace suspension strut linkage on spring link (2).
 
      AR33.15-P-0115LF 
11 Check sealing bellows and ball head of spring link (2) for condition and damage. If problems exist,

replace spring link (2).
 
12 Install in the reverse order.    
13 Perform chassis alignment.   AR40.20-P-0200LF
WHEEL CONTROL, HUB

Number Designation Model 217 MODEL 222 except CODE Z07
BA33.20-P-1001-01T Nut, spring control arm to steering knuckle Stage 1 Nm 240 240
Stage 2 ∠° - -
WHEEL CONTROL, HUB

Number Designation MODEL 222 with CODE Z07
BA33.20-P-1001-01T Nut, spring control arm to steering knuckle Stage 1 Nm 240
Stage 2 ∠° -
WHEEL CONTROL, HUB

Number Designation Model 217 MODEL 222 except CODE Z07
BA33.20-P-1002-01T Bolt, spring control arm to front axle carrier Stage 1 Nm 100 100
Stage 2 ∠° 180 180
WHEEL CONTROL, HUB

Number Designation MODEL 222 with CODE Z07
BA33.20-P-1002-01T Bolt, spring control arm to front axle carrier Stage 1 Nm 100
Stage 2 ∠° 180
Fig 3: Identifying Press-In Tool (211 589 00 43 00)
G14548535Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Extraction And Insertion Tool (220 589 06 43 00)
G11128750Courtesy of MERCEDES-BENZ USA