Remove/install lower transverse control arm

AR35.20-P-0122ME

Remove/install lower transverse control arm

20.03.2020

Model

167

Modification notes

29.01.2020

Screw/self-locking nut, shock absorber to spring link

Type 167

BA32.25-P-1001-03K

13.03.2020

Pressure release of air suspension changed.

Operation step 3

Shown on vehicle with code 489 (AIRMATIC) and with code 490 (Electrohydraulic suspension)

1

Transverse control arm

2

Hexagon sleeve

3

Screw

4

Ball stud

5

Nut

6

Catch hook

7

Nut

8

Bolts

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

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

AH00.00-P-0020-01A

Topical note

Information on E-ACTIVE BODY CONTROL suspension

AH32.50-P-0002-01ME

Topical note

Notes on air suspension

AH32.22-P-1000-01T

Notes on safety-relevant components

AH00.00-Z-0019-01A

Notes on repair work on suspension components

AH00.00-P-0100-01A

 

Remove/install

1

Remove right or left rear wheel and tire assembly.

AR40.10-P-1102ME

2

Remove trim from transverse control arm (1).

3

Transfer the pneumatic pressure of the air suspension bellows into the central reservoir using the diagnostic system.

Model 167
with code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)
Model 167
with code 489 (AIRMATIC)
with code 490 (Electrohydraulic suspension)



AD00.00-P-2000-06ME


The complete wheels must not touch the ground.
Otherwise the suspension struts may suffer initial damage and malfunction at a later stage.

 Select menu item "Actuations" in active suspension and damping system control unit.

 Installation: Transfer pneumatic pressure out of the central reservoir into the air suspension bellows using the diagnostic system.

4

Switch off ignition and store transmitter key outside of transmitter range (min. 2 m).

5.1

Release catch hooks (6) and separate air suspension bellows from transverse control arm (1).

Model 167
with code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)
Model 167
with code 489 (AIRMATIC)
with code 490 (Electrohydraulic suspension)

5.2

Remove rear axle spring.

Model 167
except code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)

AR32.20-P-0232ME

6

Counterhold hexagon sleeve (2) at transverse control arm (1) and unscrew screw (3) from transverse control arm (1).

 Screw/self-locking nut, shock absorber to spring link

*BA32.25-P-1001-03K

7

Remove torsion bar linkage from transverse control arm (1).

Model 167
except code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)
Model 167
with code 489 (AIRMATIC)
except code 490 (Electrohydraulic suspension)

AR32.35-P-3329ME

8

Remove level sensor linkage from transverse control arm (1).

Model 167
with code 489 (AIRMATIC)
Model 167
with code 613 (headlights left-hand-traffic)
Model 167
with code 620 (Right-hand traffic headlamps)
Model 167
with code 631 (Static LED headlamps, left-hand traffic)
Model 167
with code 632 (Headlamps, LED, static, right-side traffic)
Model 167
with code 640 (SAE dynamic LED headlamps, right-hand traffic)
Model 167
with code 641 (Dynamic LED headlamps, left-hand traffic)
Model 167
with code 642 (Dynamic LED headlamps, right-hand traffic)

AR82.10-P-0005ME

9

Counterhold ball pin (4) and remove nut (5).

 Self-locking nut, supporting joint to spring link/wheel carrier

*BA35.15-P-1003-02D

 Socket wrench

*167589000900

10

Remove covers from nuts (7).

If installed.

11

Remove nuts (7).

 Bolt/nut, spring control arm to rear axle carrier (rear position)

*BA35.15-P-1002-02D

 Bolt/nut, spring control arm to rear axle carrier (front position)

*BA35.15-P-1001-02D

12

Remove screws (8).

13

Remove transverse control arm (1).

 Secure transverse control arm (1) against falling down.



Check

14

Check transverse control arm (1) for damage.

If there is a problem,



Replace transverse control arm (1).

15

Install in the reverse order.

16

Perform chassis alignment.

AR40.20-P-0200ME

 Rear axle shock absorber

Number

Designation

Model 167

BA32.25-P-1001-03K

Screw/self-locking nut, shock absorber to spring link

Stage 1

Nm

100

Stage 2

°

180

 Trailing arms, transverse control arms

Number

Designation

Model 167

BA35.15-P-1001-02D

Bolt/nut, spring control arm to rear axle carrier (front position)

Stage 1

Nm

140

Stage 2

°

90

 Trailing arms, transverse control arms

Number

Designation

Model 167

BA35.15-P-1002-02D

Bolt/nut, spring control arm to rear axle carrier (rear position)

Stage 1

Nm

140

Stage 2

°

90

 Trailing arms, transverse control arms

Number

Designation

Model 167

BA35.15-P-1003-02D

Self-locking nut, supporting joint to spring link/wheel carrier

Stage 1

Nm

120

Stage 2

°

45