Remove/install spring control arm on front axle

AR33.15-P-0170LF

Remove/install spring control arm on front axle

10.07.2020

Model

217

Model

222

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

1

Nut

2

Spring control arm

3

Steering knuckle

4

Suspension strut

5

Front axle carrier

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

1

Nut

2

Spring control arm

3

Steering knuckle

4

Suspension strut

5

Front axle carrier

Shown on MODEL 222 with CODE M005 (4MATIC)

11

Line bracket

 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

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

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

 

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))



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)


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).


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.

 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).

 Bolt, spring control arm to front axle carrier

*BA33.20-P-1002-01T



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)

 The elastomer bearing variants are shown in the reference document.

 Extraction and insertion tool

*220589064300

 Press-in tool

*211589004300

If problems are found on the elastomer bearing,



replace elastomer bearing of spring link (2).

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