Remove/install radius rod

AR35.20-P-0111TX

Remove/install radius rod

24.7.08

18.4.06

Pinch off filler hose of fuel tank replaced by Empty fuel tank

Step 19

 

Remove/install

 Danger!

Risk of injury caused by body parts being jammed or crushed. Risk of injury to skin and eyes caused by brake fluid spraying out at high pressure when working on the SBC brake system

Deactivate SBC brake system using STAR DIAGNOSIS.

AS42.46-Z-0001-01A



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



While working on the rear axle, care must be taken to ensure that the surface of aluminum components do not get any scratches, cracks and notches. Otherwise the service life of the parts will be affected



Only tighten nuts and bolts of chassis components when vehicle is in a ready-to-drive condition.

1

Deactivate SBC brake system using STAR DIAGNOSIS.

Vehicles with Sensotronic Brake Control (SBC)

The following steps should be run through in STAR DIAGNOSIS:

Select menu item "SBC Sensotronic Brake Control"/"Deactivate 'SBC' system".

Then process all the individual steps from top to bottom.



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

2

Empty air springs (6i) completely using STAR DIAGNOSIS

Vehicles with AIRmatic (semi-active air suspension), code 489

AR32.22-P-1500-04TX



Notes on AIRmatic

AH32.22-P-1000-02T



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

 Installation: Observe the filling process of the air springs (6i) otherwise they will be destroyed.

AR32.22-P-1500-03TX



*BA32.25-P-1006-04K



*BA32.25-P-1007-04K



*211589000900

3

Secure vehicle on the lifting platform

AR00.60-P-0100TX

4.1

Remove exhaust system at flange connection

Model 219.354 /356 /357 /372

AR49.10-P-7280TX

Model 219.375 /376/ 377

AR49.10-P-7280TY

4.2

Remove rear muffler

Type 219.322

AR49.10-P-4951TQ

5

Remove rear section components on underfloor paneling

AR61.30-P-1001TX

6

Unhook rear brake cables from automatic slack adjuster for parking brake

AR42.20-P-0525TX

7

Detach propeller shaft (106) from rear axle differential (50)

 The flexible coupling remains on the propeller shaft (106).

 Installation: Attach propeller shaft (106) to differential (50).

AR41.10-P-0050-04TX



*BA41.10-P-1002-01E

8

Detach fitting sleeves of flexible coupling on flange of rear axle center assembly (50)

AR41.10-P-0050-09TX



Drift for loosening fitting sleeves in flex disks.

WF58.50-P-4110-01A

9

Remove bolts from propeller shaft intermediate bearing (106a) and remove rear part of propeller shaft (106)

 Installation: Assemble propeller shaft (106) in correct order. Only tighten bolts of the propeller shaft center support bearing (106a) after attaching the flexible coupling to the differential (50).

AR41.10-P-0050-05TX



*BA41.40-P-1001-01B



Long-life grease (NLGI grade 2)

BB00.40-P-0266-02A

10

Remove rear wheels



Remove/install wheels, rotate if necessary

AP40.10-P-4050TX

11

Detach rear axle brake calipers

 Use hook to suspend brake caliper from vehicle to reduce loads on brake hose and avoid destroying brake hose.

AR42.10-P-0080TX

12

Remove fender liners from rear fenders

Vehicles with AIRmatic (semi-active air suspension), code 489

AR88.10-P-1400TX

13

Disconnect electrical connectors of brake and chassis components at the rear axle

Vehicles with AIRmatic (semi-active air suspension), code 489

AR32.22-P-1500-01TX

14

Unclip electrical feed lines (arrows) for left and right rear rpm sensors along with the right rear brake pad contact sensor to remove them from their retaining clamps.

Vehicles without AIRmatic

15.1

Use assembly lever to pry left and right air springs (6i) off the frame floor

Vehicles with AIRmatic (semi-active air suspension), code 489

 In doing so the retaining clips for the air springs (6i) are destroyed.

 Installation: Slide on the air springs (6i), until the new clips can be heard engaging into the frame floor. The air springs (6i) must be aligned straight and must not be kinked.

15.2

Remove left and right rear springs

Vehicles without AIRmatic

AR32.20-P-0230TX

16

Detach left and right shock absorbers (6) from spring control arms

Vehicles with AIRmatic (semi-active air suspension), code 489



*BA32.25-P-1002-03I

17

Raise wheel carrier (7) using transmission jack and transmission platform until rear axle shaft (37) is roughly horizontal

18

Detach torque strut (3) from wheel carrier (7)



*BA35.20-P-1002-03E

19

Drain fuel tank.

Vehicles with diesel engine

AR47.10-P-4001TQ

Vehicles with gasoline engine

AR47.10-P-4001TX

20

Remove filler hose (17) of fuel tank

 Check filler hose (17) and clamps for damage.

21

Lower rear axle.

AR35.10-P-0020-01TX



*BA35.10-P-1001-01J



*BA35.10-P-1002-01J

22

Use felt marker to mark installation position of torque strut (3) on rear axle carrier (1) and on the torque strut (3)

 Do not use scratches or notches to mark the components,as this could reduce their service life.

23

Detach torque strut (3) from rear axle carrier (1) and remove

 Installation: Transfer installation position marking to new torque strut (3) and bolt new torque strut (3) to rear axle carrier (1) in the correct position.



*BA35.20-P-1001-03E

24

Replace retaining clips of air springs (6i)

Vehicles with AIRmatic (semi-active air suspension), code 489

AR32.22-P-1500-02TX

25

Install in the reverse order

26.1

Activate SBC brake system using STAR DIAGNOSIS

Vehicles with Sensotronic Brake Control (SBC)

The following steps should be run through in STAR DIAGNOSIS:

Select "Initial startup after repair"/"Remove/install brake pads" menu item.

Then process all the individual steps from top to bottom.



Connect STAR DIAGNOSIS and read out fault memory

AD00.00-P-2000-04A

 Danger!

Risk of accident when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work

Before starting engine, actuate brake pedal several times until the pressure is built up and maintained in the brake system.

AS42.50-Z-0002-01A

26.2

Press the brake pedal several times until the brake pads contact the brake disks

Vehicles with Adaptive Brake (ABR)

 Firm resistance should be noticeable at the brake pedal.

27

Perform a wheel alignment check

AR40.20-P-0200TX

Number

Designation

Model
219

BA41.10-P-1002-01E

Self-locking nut, flexible coupling to rear propeller shaft or rear axle differential.

M12

Nm

60

Number

Designation

Model
219

BA41.40-P-1001-01B

Bolt, propeller shaft intermediate bearing to frame floor assembly

Self-tapping screw

Nm

25

Number

Designation

Model
219 AIRmatic

BA32.25-P-1002-03I

Self-locking nut for attaching shock absorber to spring control arm

M10

Nm

55

Number

Designation

Model
219

BA35.10-P-1001-01J

Self-locking bolt, front rear axle carrier rubber mount to frame floor

Stage 1

Nm

90

Stage 2

°

60

BA35.10-P-1002-01J

Self-locking bolt, rear axle carrier rear rubber mount to frame floor

Stage 1

Nm

90

Stage 2

°

60

Number

Designation

Model
219

BA35.20-P-1001-03E

Self-locking nut, tension arm to rear axle carrier

Aluminum

M12

Stage 1

Nm

50

Stage 2

°

90

Steel

M14

Stage 1

Nm

80

Stage 2

°

90

BA35.20-P-1002-03E

Self-locking nut, torque strut to wheel carrier

Aluminum

M12

Stage 1

Nm

50

Stage 2

°

90

Steel

M14

Stage 1

Nm

80

Stage 2

°

90

Number

Designation

Model
219 with
AIRmatic

BA32.25-P-1006-04K

Nut, rear air spring at spring control arm

Nm

150

BA32.25-P-1007-04K

Air suspension pressure line at rear axle distributor

Nm

5